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Energy Management Modular Smart Power Transducer Type SPT-90
* Class 0.5 (current/voltage) * 16-bit P-based modular smart power transducer * Measurements of: W, Wavg, VA, VAr, PF, Wh, VAh, VArh, Amax (among the phases), VL-L avg, VL1-N, VL2-N, VL3-N, Hz L1. * TRMS measurement of distorted waves (voltage/current) * All configuration functions selectable by an optional removable key-pad or programming software SptSoft * Password protection of programming parameters * Optional independent alarm setpoint * Optional second analogue output (20 mADC/20mADC 10 mADC/5 mADC/10 VDC/5VDC/1VDC) * Optional serial RS 422/485 or RS232 output * MODBUS, JBUS protocol.
Product Description
16-bit P-based modular smart power transducer with an optional removable configuration key-pad or programming software. The housing is for DIN-rail mounting and ensures a degree of protection (front) of IP 20.
Ordering Key SPT-90AV51HXA1XXX
Model Range code System Power supply Auxiliary output 1st output/input 2nd output Options
Type Selection
Range code AV1: AV3: AV4: AV5: 100/3/100 VAC-1 AAC (max. 130/3 (L-N)/ 130 V (L-L) - 1.2 A) 1) 100/3/100 VAC-5 AAC (max. 130/3 (L-N)/ 130 V (L-L) - 6 A) 1) 250/433 VAC - 1 AAC (max. 300 V (L-N)/ 520 V (L-L) - 1.2 A) 1) 250/433 VAC - 5 AAC (max. 300 V (L-N)/ 520 V (L-L) - 6 A) (standard) 400/690 VAC - 5 AAC (max. 480 V (L-N)/ 830 V (L-L) - 6 A) 1) System 1: One phase, threephase system (3 or 4 wires, balanced load) Three phase system (3 or 4 wires, unbalanced load) 1st output/input D1(*): 3 digital inputs (managed only by means of the serial communication) 1) A1: Single analogue output, 20mADC (standard) A2: Single analogue output, 5mADC 1) A3: Single analogue output, 10mADC 1) A4: Single analogue output, 20mADC 1) B1: Dual analogue output, 20mADC (standard) B2: Dual analogue output, 5mADC 1) B3: Dual analogue output, 10mADC 1) B4: Dual analogue output, 20mADC 1) V1: Single analogue output, 10VDC (standard) V2: Single analogue output, 1VDC 1) V3: Single analogue output, 5VDC 1) V4: Single analogue output, 10VDC 1) W1: Dual analogue output, 10VDC (standard) W2: Dual analogue output, 1VDC 1) W3: Dual analogue output, 5VDC 1) W4: Dual analogue output, 10VDC 1) 2nd output XX: S1: A1: A2: A3: A4: V1: V2: V3: V4: None (standard) Serial port, RS 485 multidrop bidirectional 1) Analogue output, 20 mADC (standard) Analogue output, 5 mA 1) Analogue output, 10 mA 1) Analogue output, 20 mA Analogue output, 10 VDC 1) Analogue output, 1 VDC 1) Analogue output, 5VDC 1) Analogue output, 10VDC 1)
3:
Auxiliary output X: D: P: B None (standard) Single Alarm setpoint, relay 1) (AO1058) Single Pulse, open collector, DC type 1) (AO1059) Dual pulse output,the second one is the copy of the first one, like "P" 1) (AO1036) Dual alarm output, the second one is the copy of the first one, like "D" 1) (AO1035)
AV7:
Power supply L: H: 18 to 60 VAC/DC 90 to 260VAC/DC
T
Options X: K: S:
1)
None Programming key-pad RS232 port 2)
2)
On request The programming software has the part number: Sptsoft (*) The 3 digital inputs can't work together with one or more analogue outputs in the same instrument.
Specifications are subject to change without notice SPT-90DS0303
1
SPT-90
Input Specifications
Number of inputs Current Voltage Digital 2 (system code: 1) 6 (system code: 3) 2 (system code: 1) 4 (system code: 3) 4, for 3 free of voltage contacts (inputs managed only by the serial communication) Reading voltage/current: 17.5 to 25VDC/<8mA 0.5% f.s. includes also: frequency, power supply and output load influences 0.5% f.s. (45 to 500 Hz) 0.5% f.s. (PF 0.7 L/C, 0.6 to 1 In, 0.9 to 1.1 Un) 1% f.s. (PF 0.3 L/C, 0.2 to 1.2 In, 0.7 to 1.2 Un) 0.5% f.s. (PF 0.7 L/C, 0.6 to 1 In, 0.9 to 1.1 Un) 1% f.s. (PF 0.3 L/C, 0.2 to 1.2 In, 0.7 to 1.2 Un) 0.5% f.s., (0.6 to 1 In, 0.9 to 1.1 Un) 1% f.s., (0.2 to 1.2 In, 0.7 to 1.2 Un) 0.3% f.s., 60% to 90% R.H. 0.4% f.s., 62 to 400 Hz 0.5% f.s. @ 400 A/m 1% according to IEC 60688-1 and EN60688-1 1900 Hz 7-segment, LED, h 9 mm Max. and min. indication Measurements Max. 999, min. -999 W, Wavg, VA, VAr, PF, Wh, VAh, VArh, Amax (among the phases), VL-L avg, VL1-N, VL2-N, VL3-N, Hz L1. TRMS measurement of a distorted wave voltage/current Coupling type : Direct Crest factor: 3 100 V /3/100 V (>250k) 1 AAC ( 0.3 VA) 100 V /3/100 V (>250k) 5 AAC ( 0.3 VA) 250 V/433 V (>450k) 1 AAC ( 0.3 VA) 250 V/433 V (>450k) 5 AAC ( 0.3 VA) 400 V/690 V (>1M) 5 AAC ( 0.3 VA) 48 to 62 Hz 1.2 Un/In 2 Un 20 In Removable type 3 keys: "S" for enter programming phase and password confirmation, "UP" and "DOWN" for value programming/function selection SptSoft Programming soft ware (on request) for windows 95/98 combined with an RS232 serial communication module.
Accuracy (basic unit) Voltage/current Frequency Active power (@ 25C 5C, R.H. 60%)
Ranges (impedances) AV1 (Un/In): AV3 (Un/In): AV4 (Un/In): AV5 (Un/In): AV7 (Un/In): Frequency range Over-load protection Continuous: voltage/current For 1 s Voltage: Current: Programming keypad (on request)
Reactive power (@ 25C 5C, R.H. 60%)
Apparent power (@ 25C 5C, R.H. 60%)
Additional errors Humidity Input frequency Magnetic field Ripple Sampling rate Display (programming unit)
Programming software
Output Specifications
Analogue outputs Number of outputs Accuracy Range 1 (standard) + 1 (on request) 0.2% f.s. (@ 25C5C, R.H. 60%) 0 to 20 mADC, 5mADC, 10mADC, 20mADC, 10VDC, 1VDC, 5VDC, 10VDC. Programmable within the whole range of retransmission; it allows the retransmission management of all values from: 0 to 20 mADC, 5mADC, 10mADC, 20mADC, 0 to10VDC, 1VDC, 5VDC, 10VDC. 250 ms typical (filter excluded) 300 ppm/C 600 20mA output 10 mA output 5 mA output 10 V output 10 V output 5 V output 1 V output Insulation 550 1100 2200 10 k 10 k 10 k 10 k By means of optocouplers, 4000 Vrms output to measuring input 4000 Vrms output to supply input RS422/RS485, multidrop bidirectional (static and dynamic variables) 4-wire, termination directly on the module 255, selectable by key-pad MODBUS/JBUS
SPT-90DS0303
Scaling factor
Serial port (on request) Type Connections Addresses Protocol
Response time Temperature drift Load: 20 mA output
2
Specifications are subject to change without notice
SPT-90
Output Specifications (cont.)
Serial port (cont.) Data (bidirectional) Dynamic (reading only) Pulse output (on request) Number of outputs Type 1, independent From 1 to 999 programmable pulses for kWh, KVAh, KVArh, MWh, MVAh, MVArh, open collector (NPN transistor) VON 1.2 VDC/ max. 100mA VOFF 30 VDC max. according to DIN43864 20 ms (ON), 20 ms (OFF) By means of optocouplers, 4000 Vrms output to measuring input, 4000 Vrms output to supply input. 1, independent Up alarm, down alarm 0 to 100% of the electrical scale 0 to 100% of the electrical scale 0 to 255 s Normally de-energized Relay, SPDT AC 1 - 8A @ 250VAC DC 12 - 5A @ 24VDC AC 15 - 2.5 @ 250VAC DC 13 - 2.5 @ 24VDC typ. 250 ms, filter excluded, setpoint on-time delay: "0" 4000 Vrms output to measuring input, 4000 Vrms output to supply input
System variables: P, PAVG, S, Q, PF, VL-L, f, energy and status of digital inputs, setpoint output and status of the energy overflow bit, Single phase variables: PL1, SL1, QL1, PFL1, VL1-N, AL1, PL2, SL2, QL2, PFL2, VL2-N, AL2, PL3, SL3, QL3, PFL3, VL3-N, AL3 All programming data, reset of energy, reset of energy overflow bit, activation of static output. Stored energy (EEPROM) 250,000.000 kWh 1-start bit, 8-data bit, no parity/even parity, 1 stop bit 1200, 2400, 4800 and 9600 selectable bauds By means of optocouplers, 4000 Vrms output to measuring inputs 4000 Vrms output to supply input 200 ppm/C bidirectional (static and dynamic variables) 3 wires, max. distance 15m 1-start bit, 8-data bit, no parity, 1 stop bit 9600 bauds MODBUS (JBUS) as for RS422/485
Pulse duration Insulation
Static (writing only)
Data format Baud-rate Insulation
Alarms (on request) Number of setpoints Alarm type Setpoint adjustment Hysteresis On-time delay Relay status Output type
Temperature drift RS 232 port (on request) Data format Baud-rate Protocol Other data
Response time Insulation
Software Functions
Password 1st level 2nd level Measurement selection Numeric code of max. 3 digits; 2 protection levels of the programming data Password "0", no protection Password from 1 to 499, all data are protected System's active power (W), system's apparent power (VA), system's reactive power (VAr), average active power (Wavg), integration time programmable from 1 to 30 minutes, system's power factor (cos), maximum current (A max), average phase-phase voltage, phase-neutral voltagephase 1, phase-neutral voltage-phase 2, phase-neutral voltage-phase 3, frequencyphase 1. System's (+) active energy, system's apparent energy,
SPT-90DS0303
Measurement selection (cont.) system's reactive energy, system's (+/-) active energy Transformer ratio For CT up to 5000 A, For VT up to 100 kV (1MV) Scaling factor Operating mode Electrical scale: compression/ expansion of the input scale to be connected to 1 or 2 analogue outputs and to the alarm output. Electrical range Programmable within the whole measuring range Filter Filter operating range 0 to 99.9% of the input electrical scale Filtering coefficient 1 to 255 Filter action Both analogue and serial outputs (fundamental variables: V, A, W and their derived ones)
Specifications are subject to change without notice
3
SPT-90
Function Description
Input and output scaling capability Working of the analogue outputs (y) versus input variables (x) Figure A The sign of measured quantity and output quantity remains the same. The output quantity is proportional to the measured quantity. Figure D The sign of measured quantity and output quantity remains the same. With the measured quantity being zero, the output quantity already has the value Y1 = 0.2 Y2. Live zero output.
0 0 50 A 10 mA 100 A 20 mA 0 4 50 A 12 mA 100 A 20 mA
Figure B The sign of measured quantity and output quantity changes simultaneously. The output quantity is proportional to the measured quantity.
Figure E The sign of the measured quantity changes but that of the output quantity remains the same. The output quantity steadily increases from value X1 to value X2 of the measured quantity.
-100 kW -1 kW 0 0 100 kW 1 kW -100 kW 0 0 10 mA 100 kW 20 mA
Figure C The sign of measured quantity and output quantity remains the same. On the range X0...X1, the output quantity is zero. The range X1...X2 is delineated on the entire output range Y0 = Y1...Y2 and thus presented in strongly expanded form.
Figure F The sign of the measured quantity remains the same, that of the output quantity changes as the measured quantity leaves range X0...X1 and passes to range X1...X2 and vice versa.
80 V 0 100 V 5 mA 120 V 10 mA 0 -1 V 50 A 0 100 A 1V
General Specifications
Operating temperature Storage temperature Insulation reference voltage Insulation Dielectric strength Noise rejection CMRR EMC Other standards Safety requirements: 0 to +50C (32 to 122F) (R.H. < 90% non-condensing) -10 to +60C (14 to 140F) (R.H. < 90% non-condensing) 300 Vrms to ground 4000 Vrms between all inputs/ outputs to ground 4000 Vrms for 1 minute 100 dB, 48 to 62 Hz EN 50081-2, EN 50082-2 IEC 61010-1, EN 61010-1 Product requirements: Pulse output: Approvals Connector Housing Dimensions Material Degree of protection Weight IEC 60688-1, EN 60688-1 DIN 43864 CE UL, CSA Screw-type, max. 2.5 mm2 wires x 2 90 x 90 x 140 mm ABS, self-extinguishing: UL 94 V-0 IP20 Approx. 550 g (packing included)
Supply Specifications
AC voltage 90 to 260 VAC/DC (standard), 50/60 Hz 18 to 60VAC/DC, 50/60Hz (on request), Power consumption 30 VA / 20W (90 to 260V) 20VA / 20W (18 to 60V)
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Specifications are subject to change without notice
SPT-90DS0303
SPT-90
The available modules
Type SPT-90 base + AV1.1 input SPT-90 base + AV3.1 input SPT-90 base + AV4.1 input SPT-90 base + AV5.1 input SPT-90 base + AV7.1 input SPT-90 base + AV1.3 input SPT-90 base + AV3.3 input SPT-90 base + AV4.3 input SPT-90 base + AV5.3 input SPT-90 base + AV7.3 input 18-60VAC/DC power supply 90-260VAC/DC power supply Programming unit 20mADC analogue output 10VDC analogue output 5mADC analogue output 10mADC analogue output 20mADC analogue output 1VDC analogue output 5VDC analogue output 10VDC analogue output 20mADC analogue output 10VDC analogue output 5mADC analogue output 10mADC analogue output 20mADC analogue output 1VDC analogue output 5VDC analogue output 10VDC analogue output RS485 port Relay output Relay output Open collector output Open collector output Digital inputs RS232 port + RTC N. of channels Ordering code AA1000 AA1001 AA1002 AA1003 AA1004 AA1006 AA1007 AA1008 AA1009 AA1010 AP1021 AP1020 AR1017 AO1050 AO1051 AO1052 AO1053 AO1054 AO1055 AO1056 AO1057 AO1026 AO1027 AO1028 AO1029 AO1030 AO1031 AO1032 AO1033 AR1034 AO1058 AO1035 AO1059 AO1036 AQ1038 AR1039 Note
The same unit can be used in several SPT's
1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 1 1 2 1 2 3 1
SPT can be equipped also with 2 dual analogue outputs, in this case the third or fourth output can be used as a redundant output of the second one
The second output can be used as redundant output The second output can be used as redundant output The RS232 module works as alternative of the RS485 module. The RTC (real time clock) function is not available in the SPT
The possible combinations
Slot Basic unit Single analogue output (2) Dual analogue output (2) RS485 port (1) Single relay output (alarm) Single open coll. output (pulse) Dual relay output (alarm) Dual open coll. output (pulse) 3 digital inputs (2) RS232 port (1) Programming unit A Out 1 B Out 2 C Out 3 D Out 4 E PU Notes: PU is the programming unit (1) The RS232 module works as alternative of the RS485 module. (2) (*) Digital inputs and analogue outputs can't work together in the same instrument. (*)
Specifications are subject to change without notice
SPT-90DS0303
5
SPT-90
Mode of Operation
Accuracy class of the meter as a relation of P /P and cos (power factor)
I N
Trends of the "E" error depending on the S scale ratio
R
PI/PN E%
* V = 0.9 to 1.1, Un, I = 0.6 to 1 In, f = 48 to 62 Hz ** V = 0.7 to 1.2 Un, I = 0.2 to 1.2 In, f = 48 to 100 Hz
COS
80 70 60 50 40 30 20 10 0 0.34 0.64 0.86 0.98 0.17 0.5 0.76 0.94 1
SR
Input AV1 AV3 AV4 AV5
I
Star voltage Un: 100 V/3 Un: 100 V/3 Un: 250 V Un: 250 V
Delta voltage Un: 100 V Un: 100 V Un: 430 V Un: 430 V
Current In: 1 A In: 5 A In: 1 A In: 5 A
Example 2: Model AV3.3 (4-wire system).
UI = 6 kV / 3 II = 265 A Cos = 0.85 Un = 100 V / 3 In = 5 A VT (ratio) = 6 kV / 3 = 60 100 / 3 CT (ratio) = 300 A = 60 5A P = 3 * UI * I * cos = 3 * 6000 / 3 * 265 * 0.85 = 2.33 MW
I I
Regarding S :
R
SR = AFS * (Hi.A --Lo.A) 1.25 100 * (Hi.E Lo.E) AFS = automatic electrical full
scale calculated value.
S = scale ratio.
R
P : (installation power) One phase system:
P = U * I * cos
I I I
In = the rated input current of
Three phase, 3-wire system:
PI = 3 * UI * II * cos
SPT-90 depending on the model, see table above. VT (ratio) = the value of the voltage transformer ratio. CT (ratio) = the value of the current transformer ratio. Example 1: Model AV3.3 (3-wire system).
UI = 6 kV (delta voltage) II = 265 A (single phase cur-
There is not any additional error on the output signal if S 1.25.
R
Example 3:
AFS = 3.30 MW Lo.E = 0 MW Hi.E = 3.30 MW Lo.A = 20% Hi.A = 99.9% S=
R
Three phase, 4-wire system:
P = 3 * UI * I * cos
I I
where: U = the real star voltage of the electrical system being measured. I = the maximum phase current of the electrical system being measured. Cos = the average cos of the electrical system being measured.
I I
P = 3 * U * I * VT(ratio) * CT(ratio) = 3 * 100 / 3 * 5 * 60 * 60 = 3.12 MW
n n n
3.30 (99.9-20) = 0.8 100 (3.30-0)
rent)
Cos = 0.85 (system power
factor) Un = 100 V In = 5 A
VT (ratio) = 6 kV = 60 100 CT (ratio) = 300 = 60 5 P = 3 * U * I * cos = 3 * 6000 * 265 * 0.85 = 2.33 MW
I I I
P 2.33 = = 0.75 P 3.12
I n
0.8 1.25 no additonal errors Example 4:
AFS = 3.30 MW Lo.E = 1.00 MW Hi.E = 3.30 MW Lo.A = 20% Hi.A = 99.9% S=
R
P : (rated power of transducer) One phase system:
n
Pn = Un * In * VT(ratio) * CT(ratio)
Three phase, 3-wire system:
Pn = 3 * Un * In * VT(ratio) * CT(ratio)
Three phase, 4-wire system:
Pn = 3 * Un * In * VT(ratio) * CT(ratio)
P = 3 * U * I * VT(ratio) * CT(ratio) = 3 * 100 * 5 * 60 * 60 = 3.12 MW
n n n
where: Un = the rated input voltage of SPT-90 depending on the model, see table above.
In both examples the accuracy of the measurement is 0.5% f.s. when considering the changing of the measured voltage from 0.9 Un to 1.1 Un and the measured current from 0.6 In to 1 In with a cos of 0.85. The accuracy of the output is connected to the accuracy of the measurement plus the scale ratio of both input (Hi.E - Lo.E) and output (Hi.A - Lo.A) as shown in the graph above (E% versus SR).
3.30 (99.9-20) = 1.32 100 (3-1)
1.32 1.25 means that there is an additional error of 0.2% f.s. according to the graph at the previous page.
P 2.33 = = 0.75 Pn 3.12
I
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Specifications are subject to change without notice
SPT-90DS0303
SPT-90
Mode of Operation (cont.)
Waveform of the signals that can be measured
Figure G Sine wave, undistorted Fundamental content 100% Harmonic content 0% 1.1107 | A | Arms =
Figure H Sine wave, indented Fundamental content 10...100% Harmonic content 0...90% Frequency spectrum 3rd to 16th harmonic Required result: additional error < 1%
Figure I Sine wave, distorted Fundamental content 70...90% Harmonic content 10...30% Frequency spectrum 3rd to 15th harmonic Required result: additional error < 0.5%
Wiring Diagrams
Single phase input connections Fig. 1
1 3
L2
Fig. 2
1 3
L2
Fig. 3
1 3
L2
5
L3
I
L1
8 L1
7 N L2 9
10 L3
5
L3
2
4
6
U
I
L1
8 L1
7 N L2 9
10 L3
5
L3
2
4
6
U
I
L1
8 L1
7 N L2 9
10 L3
2
4
6
U
L1 N
L1 N
L1 N
Direct connection
CT connection
CT and VT connection
Three-phase, 3-wire input connections - Balanced loads Fig. 4 Fig. 5 Fig. 6
Direct connection (3-wire system)
CT connection (3-wire system)
CT and VT connection (3-wire system)
Specifications are subject to change without notice
SPT-90DS0303
7
SPT-90
Wiring Diagrams (cont.)
Three-phase, 3-wire input connections - Balanced loads Fig. 7 Fig. 8 Fig. 9
Direct connection (4-wire system)
CT connection (4-wire system)
CT and VT connection (4-wire system)
Three-phase three-wire input connections - Unbalanced load Fig. 10 Fig. 11 Fig. 12
CT connection (3-wire system) ARON Three-phase three-wire input connections Unbalanced load Fig. 13
CT and VT connection (3-wire system) ARON
CT and VT connection (3-wire system)
Three-phase four-wire input connections - Unbalanced load Fig. 14 Fig. 15
CT and VT connection (3-wire system)
CT connection (4-wire system)
CT and VT connection (4-wire system)
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Specifications are subject to change without notice
SPT-90DS0303
SPT-90
Front Panel Description
"S" - Selection key to select programming function (transducer configuration) and alarm detection. " " and " " - Up and down keys for increasing or decreasing programming values. - Selecting programming functions and transducer configuration together with the "S" key. 2. Display 3 -digit (maximum read-out 999). Alphanumeric indication by means of 7-segment display for: - Displaying only the configuration parameters
22
1
1
1. Key-pad Set-up and programming procedures are easily controlled by the 3 pushbuttons.
Dimensions
Specifications are subject to change without notice
SPT-90DS0303
9
SPT-90
Terminal boards
Single analogue output modules AO1050 AO1051 AO1052 AO1053 AO1054 AO1055 AO1056 AO1057 Digital output modules (20mADC) (10VDC) (5mADC) (10mADC) (20mADC) (1VDC) (5VDC) (10VDC) Dual analogue output modules AO1026 AO1027 AO1028 AO1029 AO1030 AO1031 AO1032 AO1033 (20mADC) (10VDC) (5mADC) (10mADC) (20mADC) (1VDC) (5VDC) (10VDC)
AO1058 Single relay output Other input/output modules
AO1035 Dual relay port
AO1059 Single open collector output
AO1036 Dual open collector output
AQ1038 3 Digital inputs
AR1034 RS485 port
AR1039 RS232 port Power supply modules
AR1017 Programming Unit
AP1021 18-60VAC/DC power supply
AP1020 90-260 VAC/DC power supply
Specifications are subject to change without notice SPT-90DS0303
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