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Fiber Optic Transmitters and Receivers for SERCOS, PROFIBUS and INTERBUS-S Applications Technical Data
HFBR-1505A/2505A (SMA Tx/Rx for SERCOS) HFBR-1515B/2515B (ST(R) Tx/Rx for PROFIBUS) HFBR-1505C/2505C (SMA Tx/Rx for INTERBUS-S)
Features
* Meets Industrial SERCOS, PROFIBUS, and INTERBUS-S Standard * SMA and ST (R) Ports * 650 nm Wavelength Technology * Specified for Use with 1 mm Plastic Optical Fiber and 200 m Hard Clad Silica * Auto-Insertable and Wave Solderable * DC - 10 MBd Data Rate
Description
SERCOS SERCOS, an acronym for SErial Realtime COmmunications System, is a standard digital interface for communication in industrial CNC applications. SERCOS is a European (EN 61491) and international standard (IEC 61491). The optical interface allows data rates of 2, 4, 8, and 16 MBd and data transfer between numerical controls and drives via fiber-optic rings, with voltage isolation and noise immunity. The HFBR1505A and HFBR-2505A products comply with SERCOS specifications for optical characteristics and connector style, and have guaranteed performance up to 10 MBd. (Typically the 16 MBd required by SERCOS is possible as well but please contact Agilent regarding the plan for the 16 MBd device.) PROFIBUS PROFIBUS, an acronym of PROcess FIeld BUS, is an open fieldbus standard defined for data rates ranging from 9.6 kBd to 12 MBd in selectable steps for wire and optical fiber. PROFIBUS is a German national DIN 19245 standard and a European CENELEC standard EN 50170. The ST (R) connector is the
Applications
* Industrial Control Data Links * Factory Automation Data Links * Voltage Isolation Applications * PLCs * Motor Drives * Sensor, Meter and Actuator Interfaces
recommended optical port of the PROFIBUS optical fiber version but other connectors are allowed as well. The HFBR-1515B and HFBR-2515B comply fully to the technical guideline using Plastic Optical Fiber up to 6 MBd, and have a guaranteed performance at data rates up to 10 MBd. (Typically the 12 MBd is possible as well, but please contact Agilent regarding the plan for the 12 MBd device.) INTERBUS-S INTERBUS-S, a special open Sensor/Actuator Bus, is finding a broad acceptance in the factory automation industry. The HFBR1505C and HFBR-2505C were specially designed for this application and can be used with 1 mm POF and 200 m HCS fiber at the specified data rates of 500 kBd and 2 MBd. The optical transmission guideline is a supplement of the German National DIN E 19258 standard draft. On the European level,
ST(R) is a registered trademark of AT&T. HCS(R) is a registered trademark of SpecTran Corporation.
2
prEN 50254 is the draft of the INTERBUS-S fieldbus. Package Information All HFBR-X5X5X series transmitters and receivers are housed in a low-cost, dual-in-line package that is made of high strength, heat resistant, chemically resistant and UL 94 V-O (UL file # E121562) flame retardant plastic. The transmitters are easily identified by the light grey colored connector port. The receivers are easily identified by the dark grey colored connector port. The package is designed for auto-
insertion and wave soldering so it is ideal for high volume production applications. Handling and Design Information When soldering, it is advisable to leave the protective cap on the unit to keep the optics clean. Good system performance requires clean port optics and cable ferrules to avoid obstructing the optical path. Clean compressed air often is sufficient to remove particles of dirt; methanol on a cotton swab also works well.
Recommended Chemicals for Cleaning/Degreasing X5X5X Products Alcohols: methyl, isopropyl, isobutyl. Aliphatics: hexane, heptane. Other: soap solution, naphtha. Do not use partially halogenated hydrocarbons such as 1,1,1 trichloroethane, ketones such as MEK, acetone, chloroform, ethyl acetate, methylene dichloride, phenol, methylene chloride or N-methylpyrolldone. Also, Agilent does not recommend the use of cleaners that use halogenated hydrocarbons because of their potential environmental harm.
CAUTION: The small junction size inherent in the design of these components increases the components' susceptibility to damage from electrostatic discharge (ESD). It is advised that normal static precautions be taken in handling and assembly of these components to prevent damage and/or degradation which may be induced by ESD.
Specified Link Performance
0C to +70C unless otherwise noted. Parameter Link Distance with HFBR-1505A/2505A or HFBR-1515B/2515B Link Distance with HFBR-1505C/2505C Pulse Width Distortion with HFBR-1505A/2505A or HFBR-1515B/2515B Pulse Width Distortion with HFBR-1505C/2505C Symbol 1 Min. 0.1 0.1 0.1 0.1 -30 Max. 40 200 50 400 +30 Unit m m m m ns Condition POF HCS(R) POF HCS(R) 25% to 75% duty cycle arbitrary duty cycle Reference Notes 1,2,3,4,6 Notes 1,2,3,5,6 Notes 1,2,3,4,7 Notes 1,2,3,5,7 Note 1
1 PWD
PWD
-125
+125
ns
Note 1
Notes: 1. With recommended Tx and Rx circuits (60 mA nominal drive current). 2. POF HFBR-Exxyyy 0.23 dB/m worst case attentuation. 3. HCS(R) 10 dB/km worst case attenuation. 4. Including a 3 dB optical safety margin accounting for link service lifetime. 5. Including a 2 dB optical safety margin accounting for link service lifetime. 6. Signaling rate DC to 10 MBd. 7. Signaling rate DC to 2 MBd.
3
HFBR-15X5X Transmitters
The HFBR-15X5X transmitter incorporates a 650 nm LED in a light gray nonconductive plastic housing. The high light output power enables the use of both
plastic optical fiber (POF) and Hard Clad Silica (HCS (R)). This transmitter can be operated up to 10 MBd using a simple driver circuit. The HFBR-1505X is compatible with SMA connectors, while the HFBR-1515X mates with ST(R) connectors.
4
5 6 7
1
8
BOTTOM VIEW, HFBR-15x5x SEE NOTE 10
PIN 1 4 5 6 7 8
FUNCTION CONNECTED TO PIN 4 CONNECTED TO PIN 1 GND GND CATHODE ANODE
Absolute Maximum Ratings
Parameter Storage and Operating Temperature Peak Forward Input Current Average Forward Input Current Reverse Input Voltage Lead Soldering Cycle Temp Time Symbol TS,O IF,PK IF,AVG VR TSOL Min. -40 Max. 85 90 60 3 260 10 Unit C mA mA V C s Note 7 Note 6 Reference
Electrical/Optical Characteristics
0C to +70C unless otherwise noted. Parameter Optical Power Temperature Coefficient Forward Voltage Forward Voltage Temperature Coefficient Breakdown Voltage Peak Emission Wavelength Full Width Half Max Diode Capacitance Thermal Resistance Rise Time (10% to 90%) Fall Time (90% to 10%) Symbol PT/T Min. Typ. [1] -0.02 Max. Unit dB/C Condition Ref.
VF VF/T
1.8
2.1 -1.8
2.65
V mV/C
IF, dc = 60 mA
Fig. 1 Fig. 1
VBR PK FWHM CO JC tr tf
3.0 640
13 650 21 60 140 13 10 660 30
V nm nm pF C/W ns ns
IF, dc = -10 A Fig. 3 Fig. 3 VF = 0 V, f = 1 MHz Notes 4,5 10% to 90%, IF = 60 mA
EYE SAFETY: The HFBR-15x5x is a Class 1 LED Product and eye safe when used within the data sheet limits and under normal operating conditions. This includes all reasonably foreseeable single fault conditions per IEC60825-1 and amendments.
4
Peak Output Power
0C to +70C unless otherwise noted. Model Number HFBR-1505A SERCOS HFBR-1515B PROFIBUS HFBR-1505C INTERBUS-S Symbol PT Min. -10.5 -7.5 -18.0 -10.5 -7.5 -18.0 -6.2 -16.9 Max. -5.5 -3.5 -10 -5.5 -3.5 -8.5 0.0 -8.5 Unit dBm Condition POF, IF, dc = 35 mA POF, IF, dc = 60 mA HCS(R), IF, dc = 60 mA POF, IF, dc = 35 mA POF, IF, dc = 60 mA HCS(R), IF, dc = 60 mA POF, IF, dc = 60 mA HCS(R), IF, dc = 60 mA Notes 3,8,9 Figure 2 Notes 2,3,11 Figure 2 Reference Notes 2,3,11 Figure 2
Notes: 1. Typical data at 25C. 2. Optical power measured at the end of 0.5 meters of 1 mm diameter plastic optical fiber with a large area detector. 3. Minimum and maximum values for PT over temperature are based on a fixed drive current. The recommended drive circuit has temperature compensation which reduces the variation in PT over temperature, refer to Figures 4 and 6. 4. Thermal resistance is measured with the transmitter coupled to a connector assembly and fiber, and mounted on a printed circuit board. 5. To further reduce the thermal resistance, the cathode trace should be made as large as is consistent with good RF circuit design. 6. For IF,PK > 60 mA, the duty factor must maintain IF,AVG 60 mA and pulse width 1 s. 7. 1.6 mm below seating plane. 8. Minimum peak output power at 25C is -5.3 dBm (POF) and -16.0 dBm (HCS(R)) for 1505C series only. 9. Optical power measured at the end of 1 meter of 1 mm diameter plastic or 200 m hard clad silica optical fiber with a large area detector. 10. Pins 1 and 4 are for mounting and retaining purposes, but are electrically connected; pins 5 and 6 are electrically isolated. It is recommended that pins 1, 4, 5, and 6 all be connected to ground to reduce coupling of electrical noise. 11. Output power with 200 m hard clad silica optical fiber assumes a typical -10.5 dB difference compared to 1 mm plastic optical fiber.
2.5
10 -40 C 0 25 C
NORMALIZED SPECTRAL OUTPUT POWER
PT - NORMALIZED OUTPUT POWER - dB
VF - FORWARD VOLTAGE - V
2.3
-40 C 0 C 25 C 70 C
1.4 1.2
-40 C
0 C 1.0 25 C 0.8 0.6 0.4 0.2 0 610 630 650 670 690 70 C 85 C
2.1
-10 85 C -20
1.9 85 C
1.7
-30
1.5
1
10
100
-40
1
10
100
IF,DO - TRANSMITTER DRIVE CURRENT - mA
IF,DO - TRANSMITTER DRIVE CURRENT - mA
WAVELENGTH - nm
Figure 1. Typical Forward Voltage vs. Drive Current.
Figure 2. Typical Normalized Optical Power vs. Drive Current.
Figure 3. Typical Normalized Optical Spectra.
5
1.2
NORMALIZED OUTPUT POWER
2
VCC = 5.25 V
1
1.1 VCC = 5.0 V
VCC = 5.25 V 0
PWD - ns
1.0
VCC = 5.0 V -1 -2 -3 VCC = 4.75 V -4
0.9 VCC = 4.75 V 0.8
0.7 -40
-20
0
20
40
60
80
-5 -40
-20
0
20
40
60
80
TEMPERATURE - C
TEMPERATURE - C
Figure 4. Typical Normalized Optical Power vs. Temperature (in Recommended Drive Circuit).
Figure 5. Typical Optical Pulse Width Distortion vs. Temperature and Power Supply Voltage (in Recommended Drive Circuit).
Recommended Drive Circuit for HFBR-x505A/x515B
TTL COMPATIBLE TRANSMITTER TTL COMPATIBLE RECEIVER
+5 V VCC C1 10 F + R1 C2 0.1 F 1 8 7 6 5 4 8 U1 DS75451 3 4 5 6 7 8 1 TTL OUTPUT C4 0.1 F 0V
R2 2.7 +5 V VCC U2 HFBR-15X5 U3 HFBR-25X5
1 2 TTL INPUT
4 0V
R1 82.5 47
IF 35 mA 60 mA
Figure 6. Recommended Transmitter and Receiver Drive Circuit (IF, on = 35 mA or 60 mA Nominal at TA = 25C).
6
HFBR-25x5A/B Receivers
The HFBR-25x5A/B receiver consists of a silicon PIN photodiode and digitizing IC to produce a logic compatible output. The IC includes a unique circuit to correct the pulse width distortion of the first bit after a long idle period. This enables operation from DC to 10 MBd
with low PWD for arbitrary data patterns. The receiver output is a "push-pull" stage compatible with TTL and CMOS logic. The receiver housing is a dark grey, conductive plastic. The HFBR-2505A is compatible with SMA connectors, while the HFBR-2515B mates with ST(R) connectors.
4
5 6 7
1
8
BOTTOM VIEW, HFBR 25x5A/B SEE NOTE 4
PIN 1 4 5 6 7 8
FUNCTION CONNECTED TO PIN 4 CONNECTED TO PIN 1 NO CONNECT VCC GND VO
Absolute Maximum Ratings
Parameter Storage and Operating Temperature Supply Voltage Average Output Current Output Power Dissipation Lead Soldering Cycle Temp Time Symbol TS VCC IO,AVG POD Min. -40 -0.5 -16 Max. 85 +5.5 +16 80 260 10 Unit C V mA mW C s Note 2 Reference
Electrical/Optical Characteristics
Parameter Peak Input Power Level Logic HIGH Peak Input Power Level Logic LOW Supply Current High Level Output Voltage Low Level Output Voltage Output Rise Time Output Fall Time Symbol PRH P RL
0C to +70C, 4.75 V < VCC < 5.25 V, VP-P Noise 100 mV unless otherwise noted. Min. Typ.[1] Max. -42 -44 -20 -22 27 4.2 4.7 0.22 12 10 0.4 30 30 -0 -2 45 Unit dBm dBm Condition 1mm POF 200 m HCS(R) 1 mm POF, 200 m HCS(R) |PWD| < 30 ns VO = Open IO = -40 A IO = +1.6 mA C L = 10 pF CL = 10 pF Note 3 Note 3 Ref. Notes 3,5 Note 3 Figs. 7,8, 9,10
ICC VOH VOH tr tf
mA V V ns ns
Notes: 1. Typical data are at 25C, V CC = 5.0 V. 2. 1.6 mm below seating plane. 3. In recommended receiver circuit, with an optical signal from the recommended transmitter circuit. 4. Pins 1 and 4 are electrically connected to the conductive housing and are also used for mounting and retaining purposes. It is required that pin 1 and 4 be connected to ground to maintain conductive housing shield effectiveness. 5. BER 10E-9, includes a 10.8 dB margin below the receiver switching threshold level (signal to noise ratio = 12).
7
6 VCC = 5.25 V
RECEIVED POWER - dBm
30
VCC = 5.0 V
RECEIVED PWD - ns
5 4 3 VCC = 4.75 V 2 1 0 -40
20 10 0 -10 -20 -30 -22
-20
0
20
40
60
80
100
-18
-14
-10
-5
-2
2
TEMPERATURE - C
PPL - RECEIVER OPTICAL INPUT POWER - dBm
Figure 7. Typical POF Receiver Overdrive PRL,max at 10 MBd vs. Temperature and Power Supply Voltage.
Figure 8. Typical POF Receiver Pulse Width Distortion vs. Optical Power at 10 MBd.
16 15
-13
-14
14
PWD - ns
13 12 11
PWD - ns
-15
-16
-17
10 9 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5 VCC - VOLTS
-18 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5 VCC - VOLTS
Figure 9. Typical POF Receiver Pulse Width Distortion vs. Power Supply Voltage at High Optical Power, (0 dBm, 10 MBd).
Figure 10. Typical POF Receiver Pulse Width Distortion vs. Power Supply Voltage at Low Optical Power, (-21 dBm, 10 MBd).
8
HFBR-2505C Receiver
The HFBR-2505C receiver includes a monolithic DC coupled, digital IC receiver with open collector Schottky output transistor. An internal pullup resistor to VCC is available at
pin 5. The receiver housing is a dark gray conductive plastic and the optical port is compatible with SMA connectors. The specified signal rate of HFBR-2505C is 2 MBd.
4
5 6 7
1
8
BOTTOM VIEW, HFBR 2505C SEE NOTE 3
PIN 1 4 5 6 7 8 FUNCTION CONNECTED TO PIN 4 CONNECTED TO PIN 1 RL VCC GND VO
Absolute Maximum Ratings
Parameter Storage & Operating Temperatures Lead Soldering Cycle Temp. Time Supply Voltage Output Collector Current Output Collector Power Dissipation Output Voltage Pull-up Voltage Fan Out (TTL) Symbol T S, O Min. -40 Max. +85 260 10 7 25 40 18 VCC 5 Units C C sec V mA mW V V Reference Note 1 Note 2
VCC IOAV POD VO VP N
-0.5
-0.5 -5
Notes: 1. 1.6 mm below seating plane. 2. It is essential that a bypass capacitor 0.1 F be connected from pin 6 to pin 7 of the receiver. Total lead length between both ends of the capacitor and the pins should not exceed 20 mm. 3. Pins 1 and 4 are electrically connected to the conductive housing and are also used for mounting and retaining purposes. It is required that pin 1 and 4 be connected to ground to maintain conductive housing shield effectiveness.
9
Receiver Electrical/Optical Characteristics
0C to 70C, 4.75 V VCC 5.25 V unless otherwise specified Parameter Symbol Min. Typ. Max. Input Optical Power PR(L) -21.6 -2.0 Level for Logic "0" -23.0
Units dBm
Input Optical Power Level for Logic "1" High Level Output Current Low Level Output Current High Level Supply Current Low Level Supply Current Effective Diameter Numerical Aperture Internal Pull-up Resistor
PR(H) IOH VOL ICCH ICCL D NA RL 5 0.4 3.5 6.2 1 0.5 1000
-43 250 0.5 6.3 10
dBm A V mA mA mm
Conditions VOL = 0.5 V IOL = 8 mA 1 mm POF VOL = 0.5 V IOL = 8 mA 200 m HCS VOL = 5.25 V IOH 250 A VO = 18 V, PR = 0 IOL = 8 mA, PR = PR(L)MIN VCC = 5.25 V, PR = 0 VCC = 5.25 V PR = -12.5 dBm
Ref. Notes 1, 2
Note 1 Note 3 Note 3 Note 3 Note 3
680
1700
Notes: 1. Optical flux, P (dBm) = 10 Log [P (W)/1000 W]. 2. Measured at the end of the fiber optic cable with large area detector. 3. RL is open.
TTL COMPATIBLE TRANSMITTER
TTL COMPATIBLE RECEIVER
+5 V VCC C1 10 F + IF R1 = (VCC - VF) / IF
R1 C2 0.1 F VF 1 8 7 6 5 4 8 U1 DS75451 3 HFBR-1505C HFBR-2505C 1 TTL OUTPUT 4 5 6 7 8 C4 0.1 F 0V +5 V VCC
1 2 TTL INPUT
4 0V R1 82.5 47 IF 35 mA 60 mA
Figure 11. Typical Interface Circuit.
10
Mechanical Dimensions
HFBR-X515X
21.2 (0.83)
YYWW HFBR-XXXX
12.5 (0.49)
7.0 (0.28)
DATE CODE 7.6 (0.30)
PART NUMBER 4.8 (0.19) 1.5 (0.06) 5.1 (0.20)
6.3 (0.25)
1.3 (0.05)
1.0 (0.04)
3.6 (0.140)
1.3 (0.050)
3.8 (0.150) PINS 1, 4 ARE 0.6 (0.025) DIA. 1.3 (0.05)
2.8 (0.11)
2.5 (0.10)
4
5 6 7
1
8
PINS 5, 6, 7, 8 ARE 0.5 (0.020) X 0.25 (0.01)
HFBR-X505X
16.1 (0.63)
12.5 (0.49)
DATE CODE 7.6 (0.30)
YYWW HFBR-XXXX
PART NUMBER 1/4 - 36 UNS 2A THREAD 6.3 (0.25)
1.3 (0.05)
6.4 DIA. (0.250)
5.1 (0.20)
1.0 (0.04)
3.6 (0.140)
1.3 (0.050)
3.8 (0.150) PINS 1, 4 ARE 0.6 (0.025) DIA.
2.8 (0.11)
4
5 6 7
2.5 (0.10)
1
8
PINS 5, 6, 7, 8 ARE 0.5 (0.020) X 0.25 (0.01)
www.agilent.com/semiconductors
For product information and a complete list of distributors, please go to our web site. For technical assistance call: Americas/Canada: +1 (800) 235-0312 or (408) 654-8675 Europe: +49 (0) 6441 92460 China: 10800 650 0017 Hong Kong: (+65) 271 2451 India, Australia, New Zealand: (+65) 271 2394 Japan: (+81 3) 3335-8152(Domestic/International), or 0120-61-1280(Domestic Only) Korea: (+65) 271 2194 Malaysia, Singapore: (+65) 271 2054 Taiwan: (+65) 271 2654 Data subject to change. Copyright (c) 2002 Agilent Technologies, Inc. Obsoletes 5988-1764EN February 11, 2002 5988-5299EN

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