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| Cassette Style 100 Watt AC-DC Converters S Series PFC 100 Watt AC-DC Converters with PFC Input voltage range from 85...264 V AC 1 or 2 isolated outputs up to 48 V DC 4 kV AC I/O electric strength test voltage * Universal input voltage range * Power factor >0.95, harmonics S Series 111 4.4" 3U 60 2.4" 12 TE 168 6.6" Summary The S 4000/S 5000 series of AC-DC converters represents a flexible range of power supplies for use in advanced electronic systems. Features include full power factor correction, high efficiency, high reliability, low output voltage noise and excellent dynamic response to load/line changes. The converter inputs are protected against surges and transients occurring at the source lines. An input over- and undervoltage lock-out circuitry disables the outputs if the input voltage is outside the specified range. Inrush current limitation is included preventing circuit breakers and fuses from being damaged at switch-on. All outputs are overload, open- and short-circuit proof and are protected against overvoltages by means of a built-in suppressor diode. The outputs can be inhibited by a logic signal applied to the connector pin 18 (i). If the inhibit function is not used pin 18 must be connected to pin 14 to enable the outputs. LED indicators display the status of the converter and allow visual monitoring of the system at any time. Full input to output, input to case, output to case and output to output isolation is provided. The modules are designed and built according to the international safety standards IEC/EN 60950 and have been approved by the safety agencies LGA (Germany) and UL (USA). The UL Mark for Canada has been officially recognized by regulatory authorities in provinces across Canada. The case design allows operation at nominal load up to 71C in a free air ambient temperature. If forced cooling is provided, the ambient temperature may exceed 71C but the case temperature must remain below 95C under all conditions. A temperature sensor generates an inhibit signal which disables the outputs if the case temperature TC exceeds the limit. The outputs are automatically re-enabled when the temperature drops below the limit. Various options are available to adapt the converters to individual applications. The modules may either be plugged into 19" rack systems according to DIN 41494, or be chassis mounted. Important: These products are intended to replace the LS 1000 and LS 2000 in order to comply with IEC/EN 61000-3-2. Table of Contents Page Page Electromagnetic Compatibility (EMC) ............................ 15 Immunity to Environmental Conditions ........................... 17 Mechanical Data ............................................................ 18 Safety and Installation Instructions ................................ 19 Description of Options .................................................... 22 Accessories .................................................................... 27 Summary .......................................................................... 1 Type Survey and Key Data .............................................. 2 Type Key .......................................................................... 2 Functional Description ...................................................... 3 Electrical Input Data ......................................................... 4 Electrical Output Data ...................................................... 6 Auxiliary Functions ......................................................... 11 Edition 01/01.2001 1/27 Cassette Style Type Survey and Key Data 100 Watt AC-DC Converters S Series PFC Non standard input/output configuration or special custom adaptions are available on request. See also: Commercial Information: Inquiry Form for Customized Power Supply. Table 1: Type survey LS Output 1 Uo nom Io nom [V DC] [A] 2 5.1 12.0 15.0 24.0 24.0 3 30.0 3 48.0 3 12.0 15.0 24.0 1 2 Output 2 Uo nom Io nom [V DC] [A] 2 Input Voltage Range Ui min...Ui max 85...255 V AC 6 LS 4001-7R LS 4301-7R LS 4501-7R LS 4601-7R LS 5320-7R LS 5540-7R LS 5660-7R Efficiency 1 hmin [%] 77 81 83 83 81 81 81 81 81 81 3 Options 16.0 8.0 6.5 4.2 4.0 3.2 2.0 4.0 3.2 2.0 12.0 4 15.0 4 24.0 4 4.0 3.2 2.0 -9 E D V5 P T B1 B2 LS 5320-7R LS 5540-7R LS 5660-7R Efficiency at Ui nom and Io nom. If the output voltages are increased above Uo nom via R-input control, option P setting, remote sensing or option T, the output currents must be reduced accordingly so that Po nom is not exceeded. 4 5 6 Series connection of output 1 and 2, see: R-Function for different output configurations. Second output semi-regulated. Option V for LS 4000 types with 5 V outputs. For DC-input please ask your local Power-One partner. Type Key Type Key Input voltage range Ui : 85...255 V AC .............................. L Series ............................................................................... S Number of outputs (4 for single, 5 for double outputs) 4...5 Single output units: Nominal voltage output 1 (main output), Uo1 nom 5.1 V .................................................... 0, 1, 2 12 V ............................................................. 3 15 V ......................................................... 4, 5 24 V ............................................................. 6 other voltages .......................................... 7, 8 Other specifications for single output modules ....... 01...99 Symmetrical double output units: Nominal voltage output 1/output 2, Uo1/2 nom 12 V/12 V 1 (24 V series conn.) .................. 20 15 V/15 V 1 (30 V series conn.) .................. 40 24 V/24 V 1 (48 V series conn.) .................. 60 other symmetrical voltages ................. 70...99 Operational ambient temperature range TA: -25...71C .................................................. -7 -40...71C .................................................. -9 customer specific .................................. -0...-6 Auxiliary functions and options: Inrush current limitation ............................... E Output voltage control input ........................ R 2 Potentiometer (output voltage adjustment) .. P 2 Save data signal (D0...DD, to be specified) D 3 ACFAIL signal (V2, V3) ................................ V 3, 4 Current sharing ............................................ T Cooling plate standard case ...................... B1 Cooling plate for longe case 220 mm ........ B2 1 L S 5 5 40 -7 E R P D V T B1 2 3 4 External wiring of main and second output depending upon the desired output configuration (see: R-Function for different output configurations). Feature R excludes option P and vice versa. Option D excludes option V and vice versa. Option V available for LS 4000 types with 5V output. 2/27 Edition 01/01.2001 Cassette Style Functional Description 100 Watt AC-DC Converters S Series PFC The input voltage is fed via an input fuse, an input filter, a rectifier and an inrush current limiter to a single transistor boost converter. This converter provides a sinusoidal input current (IEC/EN 61000-3-2, class D equipment) and sources a capacitor with a voltage of 360-370 V DC. This capacitor sources a single transistor forward converter. Each output is powered by a separate secondary winding of the main transformer. The resultant voltages are rectified and their ripples smoothed by a power choke and an output filter. The control logic senses the main output voltage Uo1 and generates, with respect to the maximum admissible output currents, the control signal for the primary switching transistor. The second output of double output units is controlled by the main output, but has independent current limiting. If the main output is driven into current limitation, the second output voltage will fall as well and vice versa. P 03001 Forward converter (approx. 80 kHz) 26 N 28 1 Y Boost converter (PFC) Input filter 360 V DC 4 Output filter Ci + Y Control circuit 16 18 20 22 12 4 6 8 10 R i D/V T S+ Vo+ 3 Y Vo- 2 P~ 30 32 24 Y 14 S- Fig. 1 Block diagram of single output converters LS 4000 P - + 03002 Forward converter (approx. 80 kHz) N~ 26 28 1 Y Boost converter (PFC) Input filter Output 1 filter Ci + 360 V DC 4 Y Control circuit 16 18 20 22 R i D T 12 Vo1+ 14 Vo1- 4 Vo2+ 6 8 Vo2- 10 3 Y P~ 30 32 Y 24 Y Output 2 filter 2 Y Fig. 2 Block diagram of symmetrical double output converters LS 5000 1 2 3 4 - + Transient suppressor (VDR) Inrush current limiter (NTC or Opt. E), -9 versions exclude the NTC Input fuse Hold-up capacitor Edition 01/01.2001 3/27 Cassette Style Electrical Input Data 100 Watt AC-DC Converters S Series PFC General Conditions - TA = 25C, unless TC is specified. - Pin 18 connected to pin 14, Uo adjusted to Uo nom (option P); R input not connected. - Sense line pins S+ and S- connected to Vo+ and Vo- respectively. Table 2: Input data Input Characteristics Conditions min 85 230 0.55 9.0 3.5 480 3200 4000 80 EN 55022 Ui nom, Io nom -400 -400 100 B B 400 400 V DC Vp 120 F 10 5 m Arms W LS typ max 255 Unit V AC 3,4 Ui U i nom Ii P i0 P i inh Ri R NTC Ci U i RFI U i abs Operating Input voltage Nominal Input voltage Input current No-load input power Idle input power Input resistance NTC resistance 2 Input capacitance Conducted input RFI Radiated input RFI Input voltage limits without damage Io = 0...Io nom TC min...TC max Ui nom, Io nom 1 Ui min...Ui max unit inhibited TC = 25C 1 2 3 4 With double output modules, both outputs loaded with Io nom. Valid for -7 versions with NTC, (-9 versions exclude the NTC). Initial switch-on cycle. Subsequent switch-on/off cycles increase the inrush current peak value. AC frequency range 47...63 Hz. For DC-input please ask your local Power-One partner. Input Fuse A fuse mounted inside the converter protects the module against severe defects. (If operated from a DC-source this fuse may not fully protect the module when the input voltage exceeds 200 V DC! In applications where the converters operate at source voltages above 200 V DC an external fuse or a circuit breaker at system level should be installed!) Reverse Polarity Protection Should the input voltage to the unit be supplied from a DC source the built-in bridge rectifier provides reverse polarity protection. (For DC-input operation, please consult your local Power-One partner.) Inrush Current Limitation The modules of the versions -7, incorporate an NTC resistor in the input circuitry which - at initial turn on - reduces the peak inrush current value by a factor of 5...10 to protect connectors and switching devices from damage. Subsequent switch-on cycles within short periods will cause an increase of the peak inrush current value due to the warming-up of the NTC resistor. See also: E option. Inrush Current Peak Value The inrush current peak value (initial switch-on cycle) can be determined by following calculation: Ui rms * 2 Iinr p = ---------------- (Rs ext + Ri + RNTC) 04001 Table 3: Fuse Specification Module LS 1 1 Fuse type slow-blow Fuse rating SP T 4 A, 250 V Fuse size 5 x 20 mm Input Under-/Overvoltage Lock-out If the input voltage remains below approx. 65 V AC or exceeds approx. 280 V AC an internally generated inhibit signal disables the output(s). When checking this function the absolute maximum input voltage rating U i abs should be considered! Between Ui min and the undervoltage lock-out level the output voltage may be below the value defined in table: Output data (see: Technical Information: Measuring and Testing). Input Transient Protection A VDR together with the input fuse and a symmetrical input filter form an effective protection against high input transient voltages. Rs ext Iinr p Ri RNTC Ci Ui rms Fig. 3 Equivalent circuit diagram for input impedance. Edition 01/01.2001 4/27 Cassette Style Input Inrush Current Characteristic I inr [A] 100 Watt AC-DC Converters Static Input current Characteristic 04006 S Series PFC 130 100 li [Arms] 3 2.5 2 1.5 1 04005 Ui = 255 Vrms Ui = 115 Vrms 50 0.5 50 100 150 200 250 Ui [V AC] 300 Fig. 6 Input current versus input voltage at Io nom Power Factor, Harmonics 1 0 1 2 3 t [ms] Power factor correction is achieved by controlling the input current waveform synchronously with the input voltage waveform. The power factor control is active under all operating conditions. Power Factor 1 0.95 04004 Fig. 4 Theoretical input inrush current versus time at Ui 255 Vrms and 115 Vrms, Rext = 0. Harmonic Currents The harmonic distortion is well below the limits specified in IEC/EN 61000-3-2, class D. I i [mA/W] 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 3 5 7 9 11 13 15 17 19 Harm. Limit class D according to IEC/EN 61000-3-2 04042 0.9 0.85 0.8 0.75 0.7 0 0.2 0.4 0.6 Ui = 230 V AC Ui = 85 V AC 0.8 1 Io /Io nom Fig. 7 Power factor versus output current at Ui 230 V AC and 85 V AC. Fig. 5 Harmonic currents at the input, IEC/EN 61000-3-2, class D. Ui = Ui nom, Io = Io nom. Edition 01/01.2001 5/27 Cassette Style Electrical Output Data 100 Watt AC-DC Converters S Series PFC General Conditions - TA = 25C, unless TC is specified. - Pin 18 (i) connected to pin 14 (S-/Vo1-), Uo adjusted to Uo nom (option P), R input not connected. - Sense line pins 12 (S+) and 14 (S-) connected to pins 4 (Vo1+) and 8 (Vo1-) respectively. Table 4a: Output data single output modules Output Characteristics Conditions LS 4001 5.1 V min 5.07 7.6 typ max LS 4301 12.0 V min typ max min LS 4501 15.0 V typ max LS 4601 24.0 V min typ max 24.14 43.5 4.2 4.4 2 5 40 12 15 2 5 40 24 mV mVpp A Unit V Uo Uop Io nom IoL uo 5 Output voltage Overvoltage protection (supressor diode) Output current 1 Output current limit 2 Ui nom, Io nom 5.13 11.93 21 8.0 8.2 2 15 50 5 2 5 40 12.07 14.91 26.5 6.5 6.7 15.09 23.86 Ui min...Ui max TC min...TC max Ui min...Ui max 16.2 16.0 Output Low frequency Ui nom, Io nom voltage IEC/EN 61204 Switching freq. noise BW = 20 MHz Total Static line regulation DUo U Ui min...Ui nom, Ui nom...Ui max, Io nom Ui nom, Io = (0.1...1) Io nom 170 0.3 -0.5 DUo I Static load regulation 20 150 0.4 -1.5 24 150 0.4 -1.5 30 100 0.3 1.5 48 uo d 3 td3 aUo 1 Dynamic Voltage Ui nom, Io = load deviation Io nom 1/2 Io nom regulat. IEC/EN 61204 Recovery time Temperature coefficient Ui min...Ui max of output voltage 4 0...Io nom ms mV/K If the output voltages are increased above Uo nom through R-input control, option P setting, remote sensing or option T, the output currents should be reduced accordingly so that Po nom is not exceeded. 2 See: Output Voltage Regulation of Single or Double Output Modules with Outputs 1 and 2 Connected in Series. 3 See: Typical dynamic load regulation of U o1 and Uo2. 4 Negative temperature coefficient (0...-3 mV/cell and K) available on request. 5 Measured according to IEC/EN 61204 sub clause 3.10 with a probe acc. to annex A of the same standards. (See:Technical Information: Measuring and Testing) Edition 01/01.2001 6/27 Cassette Style Output (Outputs connected in Series) Characteristics Conditions voltage 2 100 Watt AC-DC Converters LS 5320 24 V (2 x 12 V) min typ 24.0 38 max LS 5540 30 V (2 x 15 V) min typ 30.0 48 3.2 3.4 3 15 100 12 40 250 0.3 -2.2 200 0.3 -2.2 3 15 100 15 60 2.1 5 max S Series PFC LS 5660 48 V (2 x 24 V) min typ 48.0 74 2.0 A max Unit V Table 4b: Output data double output modules Uo Uop Io nom IoL uo 7 Output Ui nom, Io nom Overvoltage protection (supressor diode) Output current 1 Output current limit 4 Ui min...Ui max TC min...TC max Ui min...Ui max 4.2 4.0 Output Low frequency Ui nom, Io nom voltage IEC/EN 61204 Switching freq. BW = 20 MHz noise 3 Total Static line regulation Static load regulation mVpp 20 150 24 96 150 0.3 -2.6 ms mV/K mV DUo U DUo I Ui min...Ui max Io nom Ui nom, Io = (0.1...1) Io nom uo d 5 td5 aUo 1 Dynamic Voltage Ui nom, Io = Io nom 1/2 Io nom load deviation regulat. IEC/EN 61204 Recovery time Temperature coefficient Ui min...Ui max of output voltage 6 0...Io nom 2 3 4 5 6 7 If the output voltages are increased above Uo nom through R-input control, option P setting, remote sensing or option T, the output currents should be reduced accordingly so that Po nom is not exceeded. Series connection for Uo nom = 24 V, 30 V or 48 V, see: R-Function for different output configurations. Shortest possible wiring for series connection at the connector. See: Output Voltage Regulation of Single or Double Output Modules with Outputs 1 and 2 Connected in Series. See: Typical dynamic load regulation of Uo1 and Uo2. Negative temperature coefficient (0...-3 mV/cell and K) available on request. Measured according to IEC/EN 61204 sub clause 3.10 with a probe acc. to annex A of the same standards. (See:Technical Information: Measuring and Testing) Edition 01/01.2001 7/27 Cassette Style Output (Outputs independently loaded) 1 Characteristics Conditions 100 Watt AC-DC Converters LS 5320 12 V/12 V Output 1 min typ max Output 2 min typ max Output 1 min typ max LS 5540 15 V/15 V S Series PFC Table 4c: Output data double output modules Output 2 min typ max 15.23 24 3.2 3.4 A Unit V Uo Uop Io nom IoL uo 8 Output voltage Overvoltage protection (supressor diode) Output current 3 Output current limit 4 Ui nom, Io nom 2 11.93 19 12.07 11.82 19 4.0 4.2 3 12 80 12 3 12 40 12.18 14.91 24 3.2 3.4 3 10 100 12 15.09 14.78 Ui min...Ui max TC min...TC max Ui min...Ui max 4.2 4.0 Output Low frequency Ui nom, Io nom voltage IEC/EN 61204 Switching freq. noise BW = 20 MHz Total Static line regulation 3 10 40 15 15 mVpp DUo U Ui min...Ui nom Ui nom...Ui max Io nom Ui nom, Io = (0.1...1) Io nom 5 100 0.3 -1.5 mV DUo I Static load regulation 48 5 60 100 0.3 -1.5 5 uo d 6 td6 aUo Dynamic Voltage Ui nom, Io = load deviation Io nom 1/2 Io nom regulat. IEC/EN 61204 Recovery time Temperature coefficient Ui min...Ui max of output voltage 7 0...Io nom ms mV/K Table 4d: Output data double output modules Output (Outputs independently loaded) 1 Characteristics Conditions Output 1 min typ max LS 5660 24 V/24 V Output 2 min typ max 24.36 37 2.0 2.1 3 10 100 24 3 10 40 24 mV mVpp A Unit V 1 Uo Uop Io nom IoL uo 8 Output voltage Overvoltage protection (supressor diode) Output current 3 Output current limit 4 Ui nom, Io nom 2 23.86 37 24.14 23.64 Ui min...Ui max TC min...TC max Ui min...Ui max 2.1 2.0 Output Low frequency Ui nom, Io nom voltage IEC/EN 61204 Switching freq. noise BW = 20 MHz Total Static line regulation DUo U Ui min...Ui nom, Ui nom...Ui max, Io nom Ui nom, Io = (0.1...1) Io nom 5 80 0.3 -0.5 DUo I Static load regulation 96 5 uo d 6 td6 aUo Dynamic Voltage Ui nom, Io = load deviation Io nom 1/2 Io nom regulat. IEC/EN 61204 Recovery time Temperature coefficient Ui min...Ui max of output voltage 7 0...Io nom ms mV/K Depending upon the desired output configuration the wiring should be made as shown in: R-Function for different output configurations. 2 Same conditions for both outputs. 3 If the control voltages are increased above Uo nom via R-input control, option Psetting, remote sensing or option T, the output currentsshould be reduced accordingly so that Po nom is not exceeded. 4 See: Output Voltage Regulation of Single or Double Output Modules with Outputs 1 and 2 Connected in Series. 5 Condition for specified output. Other output loaded with constant current Io = Io nom. See: Output voltage regulation of double output units. 6 See: Typical dynamic load regulation of Uo1 and Uo2. 7 Negative temperature coefficient (0....-3 mV/cell and K) available on request. 8 Measured according to IEC/EN 61204 sub clause 3.10 with a probe acc. to annex A of the same standards. Edition 01/01.2001 8/27 Cassette Style Thermal Considerations 100 Watt AC-DC Converters Parallel or Series Connection of Units S Series PFC If a converter is located in free, quasi-stationary air (convection cooling) at the indicated maximum ambient temperature TA max (see table: Temperature specifications) and is operated at its nominal input voltage and output power, the temperature measured at the Measuring point of case temperature TC (see: Mechanical Data) will approach the indicated value TC max after the warm-up phase. However, the relationship between TA and TC depends heavily on the conditions of operation and integration into a system. The thermal conditions are influenced by input voltage, output current, airflow and temperature of surrounding components and surfaces. TA max is therefore, contrary to TC max, an indicative value only. Caution: The installer must ensure that under all operating conditions TC remains within the limits stated in the table: Temperature specifications. Notes: Sufficient forced cooling or an additional heat sink allows TA to be higher than 71C (e.g. 85C) if TC max is not exceeded. For -7 or -9 units at an ambient temperature TA of 85C with only convection cooling, the maximum permissible current for each output is approx. 40% of its nominal value as per figure. Io /Io nom Forced cooling 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 05089 Single or double output units with equal nominal output voltage can be connected in parallel without any precautions using option T. With option T (current sharing), all units share the current approximately equally. Single output units and/or main and second outputs of double output units can be connected in series with any other (similar) output. Note: - Parallel connection of double output units should always include both, main and second output to maintain good regulation of both outputs. - Not more than 5 units should be connected in parallel. - Series connection of second outputs without involving their main outputs should be avoided as regulation may be poor. - The maximum output current is limited by the output with the lowest current limitation if several outputs are connected in series. Output Voltage Regulation of Single or Double Output Modules with Outputs 1 and 2 Connected in Series Uo Uo nom 0.98 05001 Convection cooling TC max 0.5 Io1 IoL 0 0.5 TA min 50 60 70 80 90 100 TA [C] 1.0 Io Io nom Fig. 9 Uo1 vs. Io1 (typ.) of single output units Output Voltage Regulation of Double Output Modules Output 1 is under normal conditions regulated to Uo1 nom, independent of the output currents. Fig. 8 Output current derating versus temperature for -7 and -9 units. Thermal Protection A temperature sensor generates an internal inhibit signal which disables the outputs if the case temperature exceeds TC max. The outputs are automatically re-enabled if the temperature drops below this limit. It is recommended that continuous operation under simultaneous extreme worst case conditions of the following three parameters be avoided: Minimum input voltage, maximum output power and maximum temperature. Output Protection Each output is protected against overvoltage which could occur due to a failure of the control circuit by means of a voltage suppressor diode which, under worst case conditions, may become a short circuit. The suppressor diodes are not designed to withstand externally applied overvoltages. Overload at any of the two outputs will cause a shut-down of both outputs. A red LED indicates the overload condition. Uo2 is dependent upon the load distribution. If both outputs are loaded with more than 10% of Io nom, the deviation of Uo2 remains within 5% of the value of Uo1. The following 3 figures show the regulation with varying load distribution. If Io1 = Io2 or the two outputs are connected in series, the deviation of Uo2 remains within 1% of the value of Uo1 provided that a total load of more than 10% of Io nom is applied. Two outputs of a single S 5000 module connected in parallel will behave like the output of a S 4000 module; the paralleled output is fully regulated. No precautions are necessary in using the R-input and the test sockets. Edition 01/01.2001 9/27 Cassette Style [V] Uo2 13 12.5 12.0 100 Watt AC-DC Converters Dynamic Load Regulation 05083 S Series PFC 05005 Io1 =100% Io1 = 50% Io1 = 10% Uo1 Uo1d Ur Uo1d td td Ur 11.5 11 10.5 0 0.2 0.4 0.6 0.8 1 Io2/Io2 nom t Uo2 Uo2d t Io1/Io1 nom Io2/Io2 nom 1 0.5 05084 Fig. 10 LS 5320: DUo2 (typ.) vs. Io2 with different Io1. [V] Uo2 16.5 16 15.5 15 14.5 14 13.5 0 0.2 0.4 0.6 0.8 1 Io2/Io2 nom Io1 = 100% Io1 = 50% Io1 = 10% <10 s <10 s 0 t Fig. 14 Typical dynamic load regulation of Uo1 and Uo2. Hold-up Time versus Output Power time [ms] 180 160 140 120 100 80 60 05013 Fig. 11 LS 5540: DUo2 (typ.) vs. Io2 with different Io1. [V] Uo2 27 26 25 24 23 22 21 0 0.2 0.4 0.6 0.8 1 Io2/Io2 nom 05085 Io1 = 100% Io1 = 50% Io1 = 10% 40 20 0 0 0.2 0.4 0.6 0.8 1 Io /Io nom Fig. 15 Hold-up time t h versus output power. Efficiency versus Load Efficiency 0.90 0.80 0.70 0.60 0.50 05008 05014 Fig. 12 LS 5660: DUo2 (typ.) vs. Io2 with different Io1. Switching Frequency versus Load Frequency [kHz] 80 70 60 50 40 30 20 10 0 0 0.2 0.4 0.6 0.8 1 1.2 load [Io/Io nom] U i = 230 V AC U i = 85 V AC 0.40 0.30 0 0.2 0.4 0.6 0.8 1 Io /Io nom Fig. 16 Efficiency versus load at Ui; 230 V AC and 85 V AC Fig. 13 Switching frequency versus load. (The boost converter at the input stage has a fixed frequency of 100 kHz) Edition 01/01.2001 10/27 Cassette Style Auxiliary Functions i Inhibit for Remote On and Off 100 Watt AC-DC Converters S Series PFC Sense Lines (Only for single output units 5.1 V, 12 V, 15 V, 24 V) This feature enables for compensation of voltage drops across the connector contacts and if necessary, across the load lines. If the sense lines are connected at the load rather than directly at the connector, the user should ensure that Uo max (between Vo1+ and Vo1-) is not exceeded. We recommend connecting the sense lines directly at the female connector. For further information, please refer to: Application Notes . To ensure correct operation, both sense lines (S+ and S-) should be connected to their respective power outputs (Vo1+ and Vo1-) and the voltage difference between any sense line and its respective power output pin (as measured on the connector) should not exceed the following values: Note: With open i input: Output is disabled (Uo = off). The outputs of the module may be enabled or disabled by means of a logic signal (TTL, CMOS, etc.) applied between the inhibit input i and the negative pin of output 1 (Vo1-). In systems with several units, this feature can be used, for example, to control the activation sequence of the converters. If the inhibit function is not required, connect the inhibit pin 18 to pin 14 to enable the outputs (active low logic, fail safe). For output response refer to: Hold-up Time and Output Response. 06031 Vi+ Vo+ i I inh U inh Vi- Vo- Table 6: Maximum Voltage compensation allowed using sense lines Output voltage 5.1 V Total voltage difference between sense lines and their respective outputs <0.5 V <1.0 V Voltage difference between Vo- and S- <0.25 V <0.25 V Fig. 17 Definition of Uinh and Iinh. Iinh [mA] 2.0 1.6 1.2 0.8 0.4 0 -0.4 -0.8 -50 -30 -10 0 10 30 50 Uinh = 0.8 V Uinh = 2.4 V 06032 12 V, 15 V If the output voltages are increased above Uo nom via R-input control, option P setting, remote sensing or option T, the output currents must be reduced accordingly so that Po nom is not exceeded. Important: The output terminals Vo1+ and Vo1- must always be connected to the load before connecting the sense lines S+ and S-, otherwise the unit will be damaged. Uinh [V] Uo = on Uo = off Fig. 18 Typical inhibit current I inh versus inhibit voltage U inh Table 5: Inhibit characteristics Characteristic Conditions min -50 2.4 typ max Unit 0.8 50 -400 30 depending on Io 06001 Uinh Inhibit Uo = on voltage Uo = off Iinh tr tf Inhibit current Rise time Fall time Ui min...Ui max V A ms Uinh = 0 Uo /Uo nom 1 0.1 0 Inhibit 1 0 tr tf t t Fig. 19 Output response as a function of inhibit control Edition 01/01.2001 11/27 Cassette Style 100 Watt AC-DC Converters S Series PFC Programmable Output Voltage (R-Function) As a standard feature, the modules offer an adjustable output voltage, identified by letter R in the type designation. The control input R (pin 16) accepts either a control voltage Uext or a resistor Rext to adjust the desired output voltage. When not connected, the control input automatically sets the output voltage to Uo nom. a) Adjustment by means of an external control voltage Uext between pin 16 (R) and pin 14: The control voltage range is 0...2.75 V DC and allows an output voltage adjustment in the range of approximately 0...110% Uo nom. Uo Uext = ------ * 2.5 V (approximate formula) Uo nom b) Adjustment by means of an external resistor: Depending upon the value of the required output voltage the resistor shall be connected either: Between pin 16 and pin 14 (Uo < Uo nom) to achieve an output voltage adjustment range of approximately 0...100% Uo nom or: Between pin 16 and pin 12 (Uo > Uo nom) to achieve an output voltage adjustment range of approximately 100...110% Uo nom. Warning: - Uext shall never exceed 2.75 V DC. - The value of R'ext shall never be less than the lowest value as indicated in table R'ext (for U0 >U0 nom) to avoid damage to the unit! Remarks: - The R-Function excludes option P (output voltage adjustment by potentiometer). Module P - If the output voltages are increased above Uo nom via Rinput control, option P setting, remote sensing or option T, the output current(s) should be reduced accordingly so that Po nom is not exceeded. - The R-input (as well as option P) is related to the main output. - With double output units the second output follows the value of the controlled main output. Resistor values as indicated for the single output units should be used. - For correct output voltage adjustment of double output units the external wiring of the outputs should be according to fig.: R-Function for different output configuration depending upon the desired output configuration. - In case of parallel connection the output voltages should be individually set within a tolerance of 1...2%. N 16 Vo1+ R S- Vo1- Vo1+ 12 16 14 06003 + Uext Module 14 P N S+ R S- Vo1- R'ext Rext Fig. 20 Output voltage control for single output units LS 4000 by means of the R input Table 7a: Rext for Uo < Uo nom; approximative values (Ui nom, Io nom, series E 96 resistors); R'ext = Uo nom = 5.1 V Uo (V) 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Uo nom = 12 V Uo 2 3 4 5 6 7 8 9 10 11 [V] 1 4 6 8 10 12 14 16 18 20 22 Uo nom = 15 V Rext [k] 0.806 1.33 2 2.87 4.02 5.62 8.06 12.1 20 42.2 2 4 6 8 9 10 11 12 13 14 Uo nom = 24 V Rext [k] 0.619 1.47 2.67 4.53 6.04 8.06 11 16.2 26.1 56.2 4 6 8 10 12 14 16 18 20 22 Rext [k] 0.432 0.976 1.65 2.61 3.83 5.76 8.66 14.7 30.1 200 Uo [V] 1 4 8 12 16 18 20 22 24 26 28 Uo [V] 1 8 12 16 20 24 28 32 36 40 44 Rext [k] 0.806 1.33 2 2.87 4.02 5.62 8.06 12.1 20 44.2 Table 7b: R'ext for Uo > Uo nom; approximative values (Ui nom, Io nom, series E 96 resistors); Rext = Uo nom = 5.1 V Uo [V] 5.15 5.2 5.25 5.3 5.35 5.4 5.45 5.5 Uo nom = 12 V Uo 12.1 12.2 12.3 12.4 12.5 12.6 12.7 12.8 13.0 13.2 [V] 1 24.2 24.4 24.6 24.8 25.0 25.2 25.4 25.6 26.0 26.4 Uo nom = 15 V R'ext [k] 1820 931 619 475 383 316 274 243 196 169 15.2 15.4 15.6 15.8 16.0 16.2 16.4 16.5 Uo nom = 24 V R'ext [k] 1500 768 523 392 316 267 232 221 24.25 24.5 24.75 25.0 25.25 25.5 25.75 26.0 26.25 26.4 R'ext [k] 432 215 147 110 88.7 75 64.9 57.6 Uo [V] 1 30.4 30.8 31.2 31.6 32.0 32.4 32.8 33.0 Uo [V] 1 48.5 49.0 49.5 50.0 50.5 51.0 51.5 52.0 52.5 52.8 R'ext [k] 3320 1690 1130 845 698 590 511 442 402 383 1 First column: single output units or double output units with separated outputs, second column: outputs in series connection 12/27 Edition 01/01.2001 Cassette Style 100 Watt AC-DC Converters S Series PFC R-Function for different output configurations 06004 06005 Vo2+ Vo2+ Vo2- Vo2- Vo1+ Vo1- R 4 6 8 10 12 14 + Vo2+ Vo2+ 4 6 8 10 12 14 + 12 V Uo1 15 V 24 V 1 Uo1 2 24 V 30 V 48 V 1 Vo2- Vo2- Vo1+ - - Rext R'ext Vo1- R Rext 16 R'ext 16 Fig. 21a LS 5000 with H15 connector. R-input for output voltage control. Wiring for output voltage 24 V or 30 V or 48 V with main and second output connected in series. Fig. 21b LS 5000 with H15 connector. R-input for output voltage control. Wiring for output voltage 12 V or 15 V or 24 V with main and second output connected in parallel. Vo2+ Vo2+ Vo2- Vo2- Vo1+ Vo1- R 4 6 8 10 12 14 0V Uo2 -12/-15/-24 V Uo1 +12/+15/+24 V 1 06006 Vo2+ 1 4 6 8 10 2 +24/+30/+48 V 06007 + Vo2+ - Vo2- Vo2- + Vo1+ Vo1- Uo2 +12/+15/+24 V Uo1 0V 1 1 + 12 14 Rext 16 R'ext R 16 Rext R'ext Fig. 21c LS 5000 with H15 connector. R-input for output voltage control. Wiring of main and second output for two symmetrical output voltages Uo1 and Uo2: 12 V or 15 V or 24 V. Fig. 21d LS 5000 with H15 connector. R-input for output voltage control. Wiring of main and second output for two output voltages Uo1 and Uo2: +12 V and +24 V or +15 V and +30 V or +24 V and +48 V. 06008 1 Vo2+ Vo2+ Vo2- Vo2- Vo1+ Vo1- R 4 6 8 10 12 14 + Uo2 12 V 15 V 24 V 2 1 A ceramic multilayer capacitor connected across the load reduces ripple and spikes. Shortest possible wiring for series connection at the female connector - + 1 Uo1 12 V 15 V 24 V - Remarks: Double output units fitted with H15 connectors have the output pins of the second output, pins 4/6 and 8/10, internally paralleled. It is recommended that pins 4/6 and 8/10 be directly paralleled at the female connector as well to reduce the voltage drop across the connector. Please note: Uo2 varies depending upon its own load and the load on output 1. Rext 16 R'ext Fig. 21e LS 5000 with H15 connector. R-input for output voltage control. Wiring of main and second output for two output voltages Uo1 and Uo2: 12 V/12 V or 15 V/15 V or 24 V/24 V, the outputs are galvanically isolated. Edition 01/01.2001 13/27 Cassette Style Display Status of LEDs Uo1 > 0.95...0.98Uo1 adj OK i Io L 100 Watt AC-DC Converters S Series PFC 06002 Ui Ui uv Ui min Ui max Ui ov Ui abs Uo1 > 0.95...0.98Uo1 adj Uo1 < 0.95...0.98Uo1 adj Fig. 22 LEDs "OK", "i" and "Io L"status versus input voltage Conditions: Io Io nom, TC TC max, Uinh 0.8 V Ui uv = undervoltage lock-out, Ui ov = overvoltage lock-out OK Io L Io Io nom IoL TC TC max Uinh threshold TPTC threshold LEDs "OK" and "Io L"status versus output current Conditions: Ui min...Ui max, TC TC max, Uinh 0.8 V LED "i"versus case temperature Conditions: Ui min...Ui max, Io Io nom, Uinh 0.8 V i i Ui inh -50 V LED off +0.8 V +2.4 V LED Status undefined +50 V LED on LED "i"versus Uinh Conditions: Ui min...Ui max, Io Io nom, TC TC max Battery Charging/Temperature Sensor The LS are intended for lead acid battery charger applications. For an optimum battery charging and life expectancy of the battery an external temperature sensor may be connected to the R-input. The sensor is mounted as close as possible to the battery pole and adjusts the output voltage of the LS unit according to the temperature of the battery (which is related to the load of the battery and the ambient temperature). Depending on the cell voltage and the temperature coefficient of the battery, different sensor types are available. For more information please ask Power-One. Cell voltage [V] 2.40 2.35 2.30 06123 Test Sockets (Main output only ) Test sockets for measuring the output voltage Uo1 are located at the front of the module. The positive test socket is protected by a series resistor (see: Functional Description, block diagrams). The voltage measured at the test sockets is approximately 30 mV lower than the value measured at the output terminals. In case of double output units externally connected in series for Uo = 24 V, 30 V or 48 V the monitored output voltage is 12 V, 15 V or 24 V respectively. Uo max Uz = 2.27 V, -3.5 mV/K 2.25 2.20 Uz = 2.23 V, -3.5 mV/K 2.15 Uo nom 2.10 0 5 10 15 20 25 30 35 40 45 [C] 50 Fig. 17 Dependance of output voltage vs. temperature for defined temperature coefficient. Edition 01/01.2001 14/27 Cassette Style 100 Watt AC-DC Converters S Series PFC Electromagnetic Compatibility (EMC) A metal oxide VDR together with an input fuse and an input filter form an effective protection against high input transient voltages which typically occur in most installations. The S series has been successfully tested to the following specifications: Electromagnetic Immunity Table 8: Immunity type tests Phenomenon Voltage surge Standard 1 IEC 60571-1 Level Coupling mode 2 i/c, +i/-i Value applied 800 Vp 1500 Vp 3000 Vp 4000 Vp 7000 Vp Supply related surge Direct transient RIA 12 B C D E F G Indirect coupled transient H J K L Electrostatic discharge (to case) IEC/EN 61000-4-2 4 contact discharge air discharge 3 antenna -o/c, +o/c +i/-i +i/c, -i/c 1.5 * Ubatt 960 Vp 1800 Vp 3600 Vp 4800 Vp 8400 Vp 1800 Vp 3600 Vp 4800 Vp 8400 Vp 8000 Vp 15000 Vp 10 V/m AM 80% 1 kHz 50% duty cycle, 200 Hz repetition frequency 4 capacitive, o/c i/c, +i/-i direct 3 4 i/c +i/-i i/c, +i/-i Conducted disturbances 1 2 3 4 Waveform 100 s 50 s 5 s 1 s 100 ns 1s 10/100 s 5/50 s 0.5/5 s 0.1/1 s 0.05/0.1 s 5/50 s 0.5/5 s 0.1/1 s 0.05/0.1 s 1/50 ns Source imped. 100 Test procedure 1 pos. and 1 neg. voltage surge per coupling mode In Peroper. form. 3 yes 4 0.2 5 100 1 positive surge 5 pos. and 5 neg. impulses yes yes 4 4 330 10 positive and 10 negative discharges 80...1000 MHz 900 5 MHz yes A Electromagnetic IEC/EN field 61000-4-3 Electromagnetic ENV 50204 field, pulse modulated Electrical fast transient/burst IEC/EN 61000-4-4 n.a. yes yes A A 2000 Vp 4000 Vp bursts of 5/50 ns 2.5/5 kHz over 15 ms; burst period: 300 ms 1.2/50 s 10/700 s AM 80% 1 kHz 50 1 min positive 1 min negative transients per coupling mode 5 pos. and 5 neg. surges per yes A A Surge IEC/EN 61000-4-5 2000 Vp 12 2 40 150 yes A 2500 Vp 10 Vrms (140 dBV) IEC/EN 61000-4-6 3 i, o, signal wires 0.15...80 MHz yes A Related and previous standards are referenced in: Technical Information: Standards. i = input, o = output, c = case. A = Normal operation, no deviation from specifications, B = Normal operation, temporary deviation from specs possible. Test in progress, please consult factory. Note: Previous standards are referenced in: Technical Information: Standards Edition 01/01.2001 15/27 Cassette Style Electromagnetic Emission [dBV] 90 80 100 Watt AC-DC Converters S Series PFC 07063 [dBV/m] 50 07038 A A 70 60 50 40 20 40 B 30 B 30 20 10 0 MHz 0 500 30 50 100 200 10 [MHz] 1000 0.01 0.02 0.05 0.1 Fig. 23 Typical disturbance voltage (quasi-peak) at the input according to CISPR 11/22 and EN 55011/22, measured at Ui nom and Io nom. 0.5 10 20 30 1 2 5 Fig. 24 Typical radiated electromagnetic field strength (quasipeak) according to CISPR 11/22 and EN 55011/22, normalized to a distance of 10 m, measured at Ui nom and Io nom. Edition 01/01.2001 16/27 Cassette Style 100 Watt AC-DC Converters S Series PFC Immunity to Environmental Conditions Table 9: Environment specifications Test method Ca Damp heat steady state Shock (half-sinusoidal) Bump (half-sinusoidal) Vibration (sinusoidal) Standard IEC/DIN IEC 60068-2-3 MIL-STD-810D section 507.2 IEC/EN/DIN EN 60068-2-27 MIL-STD-810D section 516.3 IEC/EN/DIN EN 60068-2-29 MIL-STD-810D section 516.3 IEC/EN/DIN EN 60068-2-6 Test conditions Temperature: Relative humidity: Duration: Acceleration amplitude: Bump duration: Number of bumps: Acceleration amplitude: Bump duration: Number of bumps: Acceleration amplitude: Frequency (1 Oct/min): Test duration: Fn Vibration broad band random (digital dontrol) Salt mist, cyclic (sodium chloride NaCl solution) IEC 60068-2-64 DIN 40046 part 23 MIL-STD-810D section 514.3 IEC/EN/DIN IEC 60068-2-52 Acceleration spectral density: Frequency band: Acceleration magnitude: Test duration: Concentration: Duration: Storage: Storage duration: Number of cycles: 40 2 C 93 +2/-3 % 56 days 100 gn = 981 m/s2 6 ms 18 (3 each direction) 40 gn = 392 m/s2 6 ms 6000 (1000 each direction) 0.35 mm (10...60 Hz) 5 gn = 49 m/s2 (60...2000 Hz) 10...2000 Hz 7.5 h (2.5 h each axis) 0.05 g n2 /Hz 5...500 Hz 4.97 gn rms 3 h (1 h each axis) 5% (30C) 2 h per cycle 40C, 93% rel. humidity 22 h per cycle 3 Status Unit not operating Unit operating Unit operating Unit operating Ea Eb Fc Unit operating Kb Unit not operating Table 10: Temperature specifications, values given are for an air pressure of 800...1200 hPa (800...1200 mbar) Temperature Characteristics Conditions min -25 -25 -40 Standard -7 max 71 95 100 min -40 -40 -55 Option -9 max 71 95 100 Unit C TA TC TS Ambient temperature Case temperature Storage temperature U i min...U i max I o = 0...I o nom Not operational Table 11: MTBF Values at Specified Case Temperature MTBF 1 1 Type LS 4000/5000 Ground Benign 40C 514'000 Ground Fixed 40C 70C 88'000 38'000 Ground Mobile 50C 35'000 Unit h Calcualted in accordance with MIL-HDBK217F. Edition 01/01.2001 17/27 Cassette Style Mechanical Data 100 Watt AC-DC Converters S Series PFC European Projection 09004 Dimensions in mm. Tolerances 0.3 mm unless otherwise indicated. 7 TE 5 TE 3.27 50 Measuring point of case temperature TC M4 5 7.0 10.3 12.1 20.3 30.3 171.93 (DIN 41494) Test jacks (+/-) 29.9 19.7 Option P (Uo) Option D (U to) Option D (U ti ) LED i (red) 111 (3U) 100 9.5 4.5 LED OK (green) LED IoL (red) Gravitational axis 8 Front plate Main face 152 8 60 5 51.5 = O 3.5 = O 4.1 30 Back plate 168.5 0.5 11.8 Note: - d 15 mm, recommended minimum distance to next part to ensure proper air circulation at full output power. - free air locations: the module should be mounted with fins in vertical position to achieve a maximum air flow through the heat sink. Fig. 25 Aluminium case S02 with heatsink, black finish and self cooling, weight: Approx. 1.25 kg 09003 25.9 50 5 5 158 7 TE 3.27 4 TE M4 111 (3U) 101 Measuring point of case temperature TC 17.3 133.4 168 0.5 171.93 (DIN 41494) 47.2 5 Fig. 26 Aluminium case S02 with option B1 (cooling plate), black finish and self cooling. Total weight: Approx. 1.15 kg Edition 01/01.2001 Note: Long case with option B2, elongated by 60 mm for 220 mm rack depth, is available on request. (No LEDs, no test jacks.) 18/27 Cassette Style 100 Watt AC-DC Converters S Series PFC Safety and Installation Instructions Connector Pin Allocation The connector pin allocation table defines the electrical potentials and the physical pin positions on the H15 connector. Pin no. 24, the protective earth pin present on all LS AC-DC converters is leading, ensuring that it makes contact with the female connector first. 10002 Installation Instructions The S series AC-DC converters are components, intended exclusively for inclusion within other equipment by an industrial assembly operation or by professional installers. Installation must strictly follow the national safety regulations in compliance with the enclosure, mounting, creepage, clearance, casualty, markings and segregation requirements of the end-use application. Connection to the system shall be made via the female connector H15 (see: Accessories). Other installation methods may not meet the safety requirements. The AC-DC converters are provided with pin no. 24 ( ), which is reliably connected with their case. For safety reasons it is essential to connect this pin with the protective earth of the supply system. An input fuse is built-in in the connection from pins no. 30 and 32 (P) of the unit. Since this fuse is designed to protect the unit in case of an overcurrent and does not necessarily cover all customer needs, an external fuse suitable for the application and in compliance with the local requirements might be necessary in the wiring to one or both input potentials, pins nos. 26 and 28 and/or nos. 30 and 32. Important: Whenever the inhibit function is not in use, pin no. 18 (i) should be connected to pin no. 14 (S-/Vo1-) to enable the output(s). Do not open the modules, or guarantee will be invalidated. Due to high current values, all LS units provide two internally parallel connected contacts for certain paths (pins 4/6, 8/10, 26/28 and 30/32, respectively). It is recommended to connect load and supply to both female connector pins of each path in order to keep the voltage drop across the connector pins to an absolute minimum and to not overstress the connector contacts if currents are higher than approx. 8 A. The connector contacts are rated 8 A over the whole temperature range. Make sure that there is sufficient air flow available for convection cooling. This should be verified by measuring the case temperature when the unit is installed and operated in the end-use application. The maximum specified case temperature TC max shall not be exceeded. See also: Thermal Considerations. Check for hazardous voltages before altering any connections. Ensure that a unit failure (e.g. by an internal short-circuit) does not result in a hazardous condition. See also: Safety of operator accessible output circuit. Cleaning Agents In order to avoid possible damage, any penetration of cleaning fluids is to be prevented, since the power supplies are not hermetically sealed. 32 Type H15 4 Fig. 27 View of module's male H15 connector Table 12: H15 Connector pin allocation Pin No. 4 6 8 10 12 14 16 18 20 Connector type H 15 LS 4000 Vo1+ Vo1+ Vo1- Vo1- S+ S- R1 i D V3 22 24 2 26 28 30 32 1 2 3 LS 5000 Output 1 Vo2+ Vo2+ Vo2- Vo2- Vo1+ Vo1- R1 i D Output 2 Output 1 Sense Sense Control of U o1 Inhibit Save data ACFAIL Current sharing Protective earth Output 2 Output 1 Output 1 Control of U o1 Inhibit Save data T T Current sharing Protective earth N N P P Neutral N N P P Neutral Phase Phase Feature R excludes option P and vice versa Leading pin (pregrounding) Option D excludes option V and vice versa Protection Degree Condition: Female connector fitted to the unit. IP 30: All units except those with option P, and except those with option D or V with potentiometer. IP 20: All units fitted with option P, or with option D or V with potentiometer. Edition 01/01.2001 19/27 Cassette Style Standards and Approvals 100 Watt AC-DC Converters S Series PFC All AC-DC converters correspond to class I equipment. They are UL recognized according to UL 1950, UL recognized for Canada to CAN/CSA C22.2 No. 950-95 and LGA approved to IEC/EN 60950 standards. The units have been evaluated for: * Building in * Basic insulation between input and case, based on 250 V AC and 400 V DC * Double or reinforced insulation between input and output, based on 250 V AC and 400 V DC * Basic insulation between output and case based on 200 V AC and DC * Operational insulation between output and output * Connecting the input to a primary or secondary circuit which is subject to a maximum transient rating of 2500 V (overvoltage category III based on a 110 V primary circuit, overvoltage category II based on a 230 V primary circuit). * The use in a pollution degree 2 environment * The UL 1950 recognition limits the minimum input voltage to Ui = Ui min + 5 V AC = 90 V AC if the case temperature exceeds 90C. The AC-DC converters are subject to manufacturing surveillance in accordance with the above mentioned UL, CSA, EN and with ISO 9001 standards. Isolation The electric strength test is performed as factory test in accordance with IEC/EN 60950 and UL 1950 and should not be repeated in the field. Power-One will not honour any guarantee claims resulting from electric strength field tests. Important: Testing by applying AC voltages will result in high and dangerous leakage currents flowing through the Y-capacitors (see fig.: Block diagram). Table 13: Isolation Characteristic Electric strength test voltage Required according to IEC/EN 60950 Actual factory test 1 s AC test voltage equivalent to actual factory test Insulation resistance at 500 V DC 1 2 Input to case 1.5 2.1 2.8 2.0 >300 Input to output 3.0 1 4.2 1 5.6 1 4.0 1 >300 Output to Output to case output - - 1.4 1.0 >300 - - 0.14 0.1 >100 2 Unit kVrms kV DC kVrms M In accordance with IEC/EN 60950 only subassemblies are tested in factory with this voltage. Tested at 100 V DC. For creepage distances and clearances refer to: Technical Information: Safety. Leakage Currents in AC-DC operation Leakage currents flow due to internal leakage capacitance and RFI suppression Y-capacitors. The current values are proportional to the mains voltage and nearly proportional to the mains frequency and are specified at an input voltage of 254 V (50 Hz) where phase, neutral and protective earth are correctly connected as required for class I equipment. MI 500 1500 10061 Under test conditions the leakage current flows through a measuring instrument (MI) as described in fig.: Measuring instrument for earth leakage current tests, which takes into account impedance and sensitivity of a person touching unearthed accessible parts. The current value is calculated by dividing the measured voltage by 500 . If inputs of Sunits are connected in parallel, their individual leakage currents are added. P P N 10062 Vo+ Vo- 10 k 220 nF MI for earth leakage current N 22 nF V Fig. 28 Measuring instrument (MI) for earth leaking current tests according to IEC/EN 60950. Fig. 29 Test set-up Edition 01/01.2001 20/27 Cassette Style Table 14: Leakage currents Characteristic Maximum earth leakage current 100 Watt AC-DC Converters Class I LS 4000...LS 5000 Permissible according to IEC/EN 60950 Specified value at 254 V, 50 Hz 3.5 0.82 Unit mA S Series PFC Safety of operator accessible output circuit If the output circuit of an AC-DC converter is operator accessible, it shall be an SELV circuit according to the IEC/EN 60950 related safety standards. The following table shows a possible installation configuration, compliance with which causes the output circuit of an S series AC-DC converter to be an SELV circuit according to IEC/EN 60950 up to a configured output voltage (sum of nominal voltages if in series or +/- configuration) of 36 V. However, it is the sole responsibility of the installer to assure the compliance with the relevant and applicable safety regulations. More information is given in: Technical Information: Safety. Table 15: Safety concept leading to an SELV output circuit Conditions Nominal voltage AC-DC converter Grade of insulation between input and output provided by the AC-DC converter Double or reinforced Installation Measures to achieve the resulting safety status of the output circuit Earthed case 1 and installation according to the applicable standards Result Safety status of the AC-DC converter output circuit SELV circuit Mains 250 V AC 1 The earth connection has to be provided by the installer according to the relevant safety standards, e.g. IEC/EN 60950. Mains ~ ~ Fuse Fuse AC-DC converter 10021 + SELV - Earth connection Fig. 30 Schematic safety concept. Use fuses and earth connection as per Installation Instructions and table Safety concept leading to an SELV output circuit. Description of Options Table 16: Survey of options Option -9 E P1 D2 V23 T B1, B2 1 2 3 Function of option Extended operational ambient temperature range Electronic inrush current limitation circuitry Potentiometer for fine adjustment of output voltage Input and/or output undervoltage monitoring circuitry Input and/or output undervoltage monitoring circuitry Current sharing Cooling plate Characteristic TA = -40...71C Active inrush current limitation Adjustment range +10/-60% of U o nom, excludes R input Safe data signal output (D0...DD) ACFAIL signal according to VME specifications (V0, V2, V3) Interconnect T-pins if paralleling outputs (5 units max.) Replaces standard heat sink, allowing direct chassis-mounting Function R excludes option P and vice versa Option D excludes option V and vice versa Only available if main output voltage Uo1 = 5.1 V -9 Extended Temperature Range Option -9 extends the operational ambient temperature range from -25...71C (standard) to -40...71C. The power supplies provide full nominal output power with convection cooling. Option -9 excludes inrush current limitation by NTC. P Potentiometer The potentiometer provides an output voltage adjustment range of +10/-60% of Uo nom and is accessible through a hole in the front cover. This feature enables compensation for voltage drops across the connector and wiring. Option P is not recommended if units are connected in parallel. Option P excludes the R-function. With double output units both outputs are affected by the potentiometer setting (doubling the voltage setting if the outputs are in series). If the output voltages are increased above Uo nom via R-input control, option P setting, remote sensing or option T, the output current(s) should be reduced accordingly so that Po nom is not exceeded. Edition 01/01.2001 21/27 Cassette Style E Inrush Current Limitation 100 Watt AC-DC Converters 11003 S Series PFC Vo+ Load Vo- Vo+ Vo- The converters may be supplemented by an electronic circuit (option E, replacing the standard built-in NTC) to achieve an enhanced inrush current limiting function. Table 17: Inrush current characteristics with option E Characteristics Ui = 230 V AC LS typ - 35 max 25.3 50 A ms 11001 Unit Vo+ Vo- Iinr p t inr Peak inrush current Inrush current duration Fig. 33 An example of poor wiring for connection in parallel N LS 4000 P Vo+ S+ T S- Vo- Load N Vo+ S+ T S- Vo- 2 11011 PFC - Control Input Filter Converter 2 Control FET 1 1 3 Rectifier RS RI Ci Fig. 31 Option E block diagram Ii [A] 20 15 10 5 0 -5 -10 0 10 20 1 11002 LS 4000 P 1 3 Capacitor Ci fully charged 1 max. 5 units connected in parallel Normal operation (FET fully conducting) 2 3 Leads should have equal length and cross sections and should run in the same cable loom. Diodes recommended in redundant operation only DC common point Fig. 34 Paralleling of single output units using option T with the sense lines connected at the load t inr 30 40 50 60 70 80 t [ms] Vo2+ Vo2- Module T Vo1+ Power bus + - Fig. 32 Inrush current with option E, Ui = 230 V AC, Po = Po nom Precaution: Subsequent switch-on cycles at start-up are limited to max. 10 cycles during the first 20 seconds (cold unit) and at continuing on/off (TC = 95C) max. 1 cycle every 8 sec. T Current Sharing This option ensures that the output currents are approximately shared between all paralleled modules and increases system reliability. To use this facility, simply interconnect the T pins of all modules and make sure, that pin 14, the S- pin (S 4000) or the Vo1- pins (S 5000) are also connected together. The load leads should have equal length and cross section to ensure equal voltage drops. Not more than 5 units should be connected in parallel. If output voltage adjustment is requested we strongly recommend to use the R-input instead of option P, as with option P the required setting accuracy is difficult to achieve. The output voltages must be individually set prior to paralleling to within a tolerance of 1...2% or the R pins should be connected together. 11037 Vo1- Load Vo2+ Vo2- Module T Vo1+ Vo1- max. 5 units in parallel connection Fig. 35 Paralleling of double output units using option T with Power bus. Edition 01/01.2001 22/27 Cassette Style D Undervoltage Monitor 100 Watt AC-DC Converters S Series PFC The input and/or output undervoltage monitoring circuit operates independently of the built-in input undervoltage lockout circuit. A logic "low" (JFET output) or "high" signal (NPN output) is generated at pin 20 as soon as one of the monitored voltages drops below the preselected threshold level Ut. The return for this signal is Vo1-. The D output recovers when the monitored voltage(s) exceed(s) Ut + Uh. The threshold level U ti is adjusted in the factory. The threshold level U to is either adjusted by a potentiometer, accessible through a hole in the front cover, or factory adjusted to a fixed value specified by the customer. Option D exists in various versions D0...DD as shown in the following table. Table 18: Undervoltage monitoring functions Output type JFET NPN D1 D2 D3 D4 D0 D5 D6 D7 D8 D9 Monitoring Ui Uo1 no yes yes no no yes DD 1 2 3 Minimum adjustment range of threshold level U t U ti U to 355V DC 4 355V DC 355V DC 4 355V DC 4 4 Typical hysteresis Uho [% of Ut] for U t min...U t max U ho 2.5...0.6 )2 )2 "0" "0" 2.5...0.6 2.5...0.6 2.5...0.6 yes no yes yes yes yes yes 3.5...40 V 1 (0.95...0.985 Uo1 (0.95...0.985 Uo1 3.5...40 V 3 3.5...40 V 3 3.5...40 V1 yes 4 Threshold level adjustable by potentiometer Fixed value. Tracking if Uo1 adjusted via R-input, option P or sense lines. The threshold level permanently adjusted according to customer specification 2% at 25C. Any value within the specified range is basically possible but causes a special type designation in addition to the standard option designations (D0/D9)! Option D monitors the boost regulator output voltage. The trigger level is adjusted in the factory to 355 V DC. 11006 JFET output (D0...D4): Connector pin D is internally connected via the drainsource path of a JFET (self-conducting type) to the negative potential of output 1. UD 0.4 V (logic low) corresponds to a monitored voltage level (Ui and/or Uo1) U i , U o1 status U i or U o1 < U t U i and U o1 > U t + U h D output, U D low, L, U D 0.4 V at I D = 2.5 mA high, H, I D 25 A at U D = 5.25 V Vo1+ Rp ID Input D UD Vo1- Fig. 36 Option D0...D4: JFET output, ID 2.5 mA 11007 NPN output (D5...DD): Connector pin D is internally connected via the collectoremitter path of a NPN transistor to the negative potential of output 1. UD < 0.4 V (logic low) corresponds to a monitored voltage level (U i and/or Uo1) > U t + U h. The current ID through the open collector should not exceed 20 mA. The NPN output is not protected against external overvoltages. UD should not exceed 40 V. U i , U o1 status U i or U o1 < U t U i and U o1 > U t + U h D output, U D high, H, I D 25 A at U D = 40 V low, L, U D 0.4 V at I D = 20 mA Vo1+ Rp Input ID D UD Vo1- Fig. 37 Option D5...DD: NPN output, Uo1 40 V, ID 20 mA Table 19: D-output logic signals Version of D D1, D2, D3, D4, D0 D5, D6, D7, D8, D9, DD U i < U t resp. U o < U t low high U i > U t + U h resp. U o > U t high low Configuration JFET NPN Edition 01/01.2001 23/27 Cassette Style Input voltage monitoring NPN UD UD high 3 3 100 Watt AC-DC Converters S Series PFC D-signal with respect to input and output voltage versus time: 11044 3 3 UD low 0 t ID high ID low 0 JFET UD UD high ID t UD low 0 t th1 tlow min4 tlow min4 tlow min4 th1 thigh min Uo1 Uo1 nom 1 0.95 0 t Uci [V DC] 358 355 0 t Input voltage failure Switch-on cycle Input voltage sag Switch-on cycle and subsequent input voltage failure Output voltage monitoring NPN UD UD high 2 UD low 0 t ID ID high ID low 0 JFET UD UD high t UD low 0 t tlow min4 1 2 3 Uo1 nom Uto +Uho Uto 0 Uo1 t Output voltage failure 4 Hold-up time see section Electrical Input Data. With output voltage monitoring, hold-up time th = 0. The signal will remain high if the D output is connected to an external source. t low min = 100...170 ms, typically 130 ms. Fig. 38 Relationship between Uci, Uo1, UD, Uo1/Uo nom versus time Edition 01/01.2001 24/27 Cassette Style V ACFAIL Signal (VME) Available for units with Uo1 = 5.1V 100 Watt AC-DC Converters S Series PFC V output (V2, V3): Connector pin V is internally connected to the open collector of a NPN transistor. The emitter is connected to the negative potential of output 1. U V 0.6 V (logic low) corresponds to a monitored voltage level (U i and/or Uo1) Ui, Uo1 status U i or U o1 < U t U i and U o1 > U t + U h V output, UV low, L, U V 0.6 V at I V = 50 mA high, H, I V 25 A at U V = 5.1 V 11009 This option defines an undervoltage monitoring circuit for the input or input and main output voltage equivalent to option D and generates the ACFAIL signal (V signal) which conforms to the VME standard. The low state level of the ACFAIL signal is specified at a sink current of I V 48 mA to U V 0.6 V (open-collector output of a NPN transistor). The pull-up resistor feeding the open-collector output should be placed on the VME back plane. After the ACFAIL signal has gone low, the VME standard requires a hold-up time t h of at least 4 ms before the 5.1 V output drops to 4.875 V when the output is fully loaded. This hold-up time t h is provided by the internal input capacitance. See also fig.: Hold-up Time versus Output Power. Vo1+ Table 20: Undervoltage monitor functions Input Rp IV V V output (VME compatible) V2 V3 1 Monitoring Ui U o1 yes yes no yes Minimum adjustment range of threshold level U ti U to 355V DC 1 - UV 355V DC 1 0.95...0.985 U o1 2 Vo1- 2 Option D monitors the boost regulator output voltage. The trigger level is adjusted in the factory to 355 V DC. Fixed value between 95% and 98.5% of Uo1. Fig. 39 Output configuration of options V2 and V3 Option V operates independently of the built-in input undervoltage lock-out circuit. A logic "low" signal is generated at pin 20 as soon as one of the monitored voltages drops below the preselected threshold level U t. The return for this signal is Vo1-. The V output recovers when the monitored voltage(s) exceed(s) U t + U h. The threshold level U ti is adjusted in the factory to 355 V DC. The threshold level U to either is adjusted during manufacture to a determined customer specified value. Edition 01/01.2001 25/27 Cassette Style Input voltage monitoring V2 UV UV high UV low 3 3 100 Watt AC-DC Converters t low min 2 4 S Series PFC t low min 2 3 4 11045 t low min 2 0 t t low min 3 3 2 3 V3 UV UV high UV low t low min 2 0 t th 1 th 1 Uo1 5.1 V 4.875 V 2.0 V 0 t Uci [V DC] 358 355 0 Input voltage failure Switch-on cycle Input voltage sag Switch-on cycle and subsequent input voltage failure t Output voltage monitoring V2 UV UV high UV low 4 4 0 t t low min 3 4 3 2 V3 UV UV high UV low 0 t Uo1 5.1 V 4.875 V 2.0 V 0 t1 VME request: minimum 4 ms 2 3 4 Ui Uti + Uhi Uti 0 Output voltage failure t t low min = 40...200 ms, typically 80 ms UV level not defined at Uo1 < 2.0 V The V signal drops simultaneously with the output voltage if the pull-up resistor RP is connected to Vo1+. The V signal remains high if RP is connected to an external source. Fig. 40 Relationship between U ci, Uo1, U V, I V and Uo1/Uo nom versus time. Edition 01/01.2001 26/27 Cassette Style 100 Watt AC-DC Converters (100% - h) PLoss = ---------- (Uo * Io) h Efficiency see: Type survey. S Series PFC B1 Cooling Plate (see: Mechanical Data) Where a cooling surface is available, we recommend the use of a cooling plate (option B1) instead of the standard heatsink. The mounting system should ensure sufficient cooling capacity to guarantee that the maximum case temperature TC max is not exceeded. The cooling capacity is calculated by: Elongated case for 220 mm rack depth: Option B2. Accessories A variety of electrical and mechanical accessories are available including: - Front panels for 19" rack mounting, Schroff and Intermas systems. - Mating H15 connectors with screw, solder, fast-on or press-fit terminals. - Connector retention facilities. - Code key system for connector coding. - Chassis mounting plates for mounting the 19" cassette to a chassis/wall where only frontal access is given. - Universal mounting bracket for DIN-rail or chassis mounting. For more detailed information please refer to: Accessory Products. Front panels H15 female connector, Code key system Chassis mounting bracket S Mounting plate, Connector retention clips Universal mounting bracket for DIN-rail mounting. Edition 01/01.2001 27/27 |
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