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ETIC AFO485 User Manual Download Page 24

 

 

Page 24

 

USER MANUAL ref 9011509-01 

AFO485 and RFO485

 

 

 

4  AFO485 modem with CAN interface 

 
This section relates to products with the reference AFO485-C10,  - C20,    
- C30 or –C40. 
 

4.1. Function 

 
These products establish an optical link between two segments of a CAN 
network. 
 

 
 

Summary of Contents for AFO485

Page 1: ... FIBRE OPTIC REPEATER _________________ USER GUIDE Doc ref 9011509 01 ________________ www hvssystem com Siège social 2 rue René Laennec 51500 Taissy France Contact hvssystem hvssystem com Tél 0326824929 Fax 0326851908 Distribué par ...

Page 2: ...F0485 units are manufactured by ETIC TELECOMMUNICATIONS 13 Chemin du vieux chêne 38240 MEYLAN FRANCE In case of any installation difficulties please contact your retailer or call customer services on one of the following numbers TEL 33 4 76 04 20 05 FAX 33 4 76 04 20 01 ...

Page 3: ...mission failure output 11 2 7 Fibre optic range 12 3 RFO485 REPEATER WITH ASYNCHRONOUS INTERFACE 13 Function 13 3 1 BUS network 13 3 2 Failsafe ring 14 3 3 Description 16 3 4 Micro switches 18 3 5 Connectors 19 3 6 Asynchronous Interfaces 20 3 7 Transmission failure output 20 3 7 1 Bus network 20 3 7 2 Failsafe ring 21 3 8 Fibre optic range 22 3 8 1 Range between repeaters in a bus network 22 3 8 ...

Page 4: ...4 3 Microswitches 25 4 4 Connectors 26 4 5 Interface using CAN network 27 4 6 Transmission failure output 27 4 7 Range of modems on the CAN network 28 5 INSTALLATION 30 5 1 Dimensions 30 5 2 Precautions 30 5 3 Power supply 30 5 4 Fuse 31 5 5 Connection of RS485 or RS422 interfaces 31 Appendix 1 RS232 cable wiring ref CAB593 ...

Page 5: ...S422 and RS485 local interface or a CAN interface Point to point bus or failsafe ring The AFO485 models allow point to point links The RFO485 models have a repeater function and allow a multidrop link or a failsafe ring to be established Line modulation The data over the Fibre optic is encoded to ensure a range of up to 28km for models which use single mode fibres Transmission failure Information ...

Page 6: ...ource Min guaranteed optical power budget at 25 C dB Taking into account losses due to the connector 12 12 17 10 12 12 17 10 Transmission failure output Double DC power supply RFO485 repeater 11 22 33 44 RS232 RS485 RS422 PROFIBUS DP MODBUS UNITELWAY OTHER ASYNCHRONOUS PROTOCOLS Multimode fibre optics Single mode fibre optics 800 nm optical source 1300 nm optical source Min guaranteed optical powe...

Page 7: ...a multimode or single mode fibre optics They have RS232 RS485 and RS422 asynchronous interfaces The unit permits half duplex transmission The following protocols may be used PROFIBUS DP MODBUS UNITELWAY SYSMACWAY and the majority of other asynchronous protocols 2 2 Description F O type ST connectors microwitches 6 pts screw block RS485 RS422 Transmission failure output RS232 9 40 VDC supply voltag...

Page 8: ...d from the fibre optic LINE Lit when two AFOs communicate correctly even when no character is received Otherwise off Power on RS232 RS485 RS422 F O Treatment Transmission failure output 9 to 40 VDC supply voltage Asynchronous data 820 nm multimode AF0485 10 1300 nm multimode AF0485 20 1300 nm single mode AF0485 30 ou 40 ...

Page 9: ...rity or 7 bits parity 1 start 1 stop ON SWITCHES 5 to 8 RS232 RS485 or RS422data rate 5 6 7 8 Profibus DP 1 5 Mb s OFF ON OFF OFF Profibus DP 500 Kb s OFF ON OFF ON Profibus DP 187 500 b s OFF ON ON OFF 115 200 b s ON OFF OFF OFF Profibus DP 93 750 b s OFF ON ON ON 57 600 b s ON OFF OFF ON 38 400 b s ON OFF ON OFF 19 200 b s ON OFF ON ON 9 600 b s ON ON OFF OFF 4 800 b s ON ON OFF ON 2 400 b s ON ...

Page 10: ... 5 SG 102 Signal ground 6 DSR 107 Data set ready 7 Not connected 8 CTS 106 Clear to send Note The CAB593 cable provides an RS232 DB9 female instead of the RJ45 connector It must be ordered separately The wiring of the CAB593 RS232 cable is given in appendix 1 Connector 4 6 point connector block RS485 and RS422 local interface non isolated and alarm contact Pin Signal Function 1 and 2 Transmission ...

Page 11: ...em receives the modulation from the remote AFO485 No control signal from the RS232 terminal DTE is necessary RS485 and RS422 interfaces The unit has a RS422 4 wire and RS485 2 wire interface on the 6 point screw block These interfaces are not opto isolated and must be used for short distances The matching resistor of the bus is not included in the product The diagrams of these interfaces are given...

Page 12: ...FO485 20 1300 nm 12 3 1 9 Range between 2 modems using multimode fibre G62 5 125 Optical Source Optical power Reserve F 0 attenuation Min range dB dB dB Km Km Product Reference A B C D1 A B C AFO485 10 820 nm 15 3 3 5 3 5 AFO485 20 1300 nm 15 3 1 5 8 Range between 2 modems using single mode fibre E10 125 Optical Source Optical power Reserve F 0 attenuation Min range dB dB dB Km Km Product Referenc...

Page 13: ...oducts allow the repetition of data from one optical link to another as well as to an asynchronous local interface The following protocols can be transmitted PROFIBUS DP MODBUS UNITELWAY SYSMACWAY as well as most other asynchronous protocols The local interface is RS232 RS485 or RS422 The repeaters allow for the creation of a bus network or a failsafe ring 3 1 BUS network ...

Page 14: ...ch is connected to the master PLC of the network The role of Master PLC can only be given to one PLC Any frame is transmitted over the ring in both of the two possible directions RS232 RS485 RS422 Failsafe ring RS232 RS485 RS422 RS232 RS485 RS422 RS232 RS485 RS422 Master PLC ringmaster repeater Slave repeater Slave PLC Slave repeater Slave repeater ...

Page 15: ... nevertheless continue receiving information If a failure occurs the alarm output of the ring master RFO485 is opened as well as the alarm outputs of the RFO485 modules connected to the segment of fibre optic in failure Failsafe ring RFO485 Ringmaster Transmission failure output Transmission failure output Transmission failure output ...

Page 16: ...ers sent to the fibre optic LINE 1 or LINE 2 Characters received from the fibre optic LINE 1 or LINE 2 LINE Lit when the optical data link between two RFO485 is established even if no character is sent or received Otherwise off Power on LINE 2 LINE 1 LINE Microswitches RS232 9 to 40 VDC supply V double input RS485 RS422 Transmission failure output ST type F O connector ...

Page 17: ... RS232 RS485 RS422 F 0 Line 1 Optical transmitter F 0 Line 2 Double supply V input 9 to 40 VDC Data Transmission failure RFO485 820 nm multimode RF0485 11 1300 nm multimode RF0485 22 1300 nm single mode RF0485 33 or 44 Data treatment Optical transmitter ...

Page 18: ...d when passing through the repeater ON SWITCH 4 FORMAT ON THE ASYNCHRONOUS LINK RS232 RS485 OR RS422 switch 4 8 bits parity 1 start 1 stop OFF 8 bits without parity or 7 bits parity 1 start 1 stop ON SWITCHES 5 to 8 RS232 RS485 RS422DATA RATE 5 6 7 8 Profibus DP 1 5 Mb s OFF ON OFF OFF Profibus DP 500 Kb s OFF ON OFF ON Profibus DP 187 500 b s OFF ON ON OFF 115 200 b s ON OFF OFF OFF Profibus DP 9...

Page 19: ...Not connected 5 SG 102 Signal ground 6 DSR 107 Data set ready 7 Not connected 8 CTS 106 Clear to send Note The CAB593 cable provides an RS232 DB9 female instead of the RJ45 connector It must be ordered separately The wiring of the CAB593 RS232 cable is given in appendix 1 Connector 4 6 point connector block RS485 and RS422 non isolated and Transmission failure output Pin Signal Function 1 and 2 Tr...

Page 20: ...RS232 terminal DTE is necessary RS485 and RS422 interfaces The unit has an RS422 interface 4 wires and RS485 2 wires on the 6 point connector block These interfaces are not opto isolated and must be used for short distances The matching resistor of the bus is not included in the product The diagram of these interfaces is given in 5 5 3 7 Transmission failure output 3 7 1 Bus network The transmissi...

Page 21: ...tic lines to which the repeater is connected or When data are no longer received from both sides or if the unit is powered off The corresponding led line 1 or 2 is extinguished Other repeaters in the ring The Transmission failure output is closed when a repeater detects the modulation on the two optical lines to which it is connected even if no data is received on either of the two lines The leds ...

Page 22: ... dB Km Km Product Reference A B C D1 A B C AFO485 10 820 nm 12 3 2 5 3 5 AFO485 20 1300 nm 12 3 1 9 Range between 2 repeaters using multimode fibre G62 5 125 Bus network Optical Source Optical power Reserve F 0 attenuation Min range dB dB dB Km Km Product Reference A B C D1 A B C AFO485 10 820 nm 15 3 3 5 3 5 AFO485 20 1300 nm 15 3 1 5 8 Range between 2 repeaters using single mode fibre E10 125 Bu...

Page 23: ...e used Step 2 Moreover the distance D1 between 2 repeaters can not exceed the values in the table below Maximum length of a segment of the ring Kb s D1 in Km 9 6 20 0 19 2 10 0 38 4 5 0 93 75 2 1 57 6 3 5 115 2 1 7 187 5 1 0 500 0 4 1500 0 1 Step 3 In addition the total length of the ring can not exceed the value D2 given by the formulas below If the latency time of the ring is greater than two ch...

Page 24: ...1509 01 AFO485 and RFO485 4 AFO485 modem with CAN interface This section relates to products with the reference AFO485 C10 C20 C30 or C40 4 1 Function These products establish an optical link between two segments of a CAN network ...

Page 25: ... fibre optic LINE Lit when two AFO485s communicate correctly even when no character is received Otherwise off Power on CAN bus RS232 not used ST type F O connector Microswitches not used 9 to 40 VDC supply V double input CAN ISO DIS 11898 Interface F O Treatment CAN ISO DIS 11898 820 nm multimode AF0485 C10 1300 nm multimode AF0485 C20 1300 nm single mode AF0485 C30 ou C40 9 to 40 VDC supply volta...

Page 26: ...d Connector 2 2 point connector block Back up power supply Pin Signal Function 1 V Power supply voltage 9 to 40 VDC 2 GND Signal ground Connector 3 DO NOT USE RJ45 Connector 4 6 point connector block Local CAN interface non isolated and Transmission failure output Pin Signal Function 1 and 2 Transmission failure contact voltage free I max 3 Do not use 4 Do not use 5 L CAN network 6 H CAN network ...

Page 27: ...hen a modem detects the modulation of the remote modem even if no data is received from the fibre optics The line led is lit The transmission failure output is opened as soon as the modulation is no longer received or when the unit is powered off 5v PLC AFO485 C10 AFO485 C20 AFO485 C30 4 7 KOhm 4 7 KOhm L Conn 4 br 5 H Conn 4 br 6 120 Ohm 120 Ohm DISTANCE 3 M ...

Page 28: ...125 Optical Source Optical power Reserve F 0 attenuation Min range DB dB dB Km Km Product reference A B C D1 A B C AFO485 C10 820 nm 12 3 2 5 3 5 AFO485 C20 1300 nm 12 3 1 9 Range on multimode fibre G62 5 125 Optical Source Optical power Reserve F 0 attenuation Min range dB dB dB Km Km Product reference A B C D1 A B C AFO485 C10 820 nm 15 3 3 5 3 5 AFO485 C20 1300 nm 15 3 1 5 8 Range on single mod...

Page 29: ...3 rd column of the table titled CIA 87 corresponds to the recommended CAN IN AUTOMATION normally applied by CAN interfaces belonging to PLC s The values indicated in this column are the ranges which are obtained by a PLC using the CIA standard 1 2 Tb 2 3 Tb CIA 87 10 kb s 5 9 Km 6 5 km 8 6 km 20 kb s 2 4 km 3 2 km 4 3 km 50 kb s 0 9 km 1 2 km 1 6 km 100 kb s 0 4 km 0 55 km 0 8 km 125 kb s 0 3 km 0...

Page 30: ...the unit in order to account for the minimum radius of curvature prescribed by the manufacturer of the fibre optic cable You should avoid using excessive force while connecting the fibre optic cables to avert damage to the optical connectors 5 3 Power supply The power supply voltage must be strictly regulated and be between 9 and 40 Volts maximum Two DC power supply inputs are available if the pri...

Page 31: ... B signals of the RS485 RS422 interfaces are polarised by the 2 2 Kohm resistors on the circuit board When the data rate is high or the length of the RS485 RS422 bus justifies it a 120 Ohm matching resistor should be attached to both ends of the network B Conn 4 pin 5 2 2 KOhm 5v RS485 TERMINAL PC PLC 2 2 KOhm A Conn 4 pin 6 Distance 5 m AFO485 RFO485 2 2 KOhm 5v RS422 2 2 KOhm A Conn 4 pin 6 Dist...

Page 32: ...187 5 500 1500 kb s Fieldbus PROFIBUS DP MODBUS UNITELWAY DH 485 SYSMAC WAY CAN OPEN ISO DIS 11898 Configuration By switch Type of fibre optic Multimode G50 125 or G62 5 125 Single mode E10 125 Reception fibre and Emission fibre Optical connector ST Modulation Online data coding Alarm Voltage free alarm contact Point to point Open when the unit is no longer receiving power or if there is a recepti...

Page 33: ...RS232 cable wiring ref CAB593 RJ45 pin out DB9 fem pin out Circuits Designation Terminal Modem 1 1 CD 109 Carrier detect 2 2 RX 104 Data reception 3 3 TX 103 Data transmission 4 Not connected 5 5 SG 102 Signal ground 6 6 DSR 107 Data set ready 7 Not connected 8 8 CTS 106 Clear to send ...

Page 34: ...Page 34 USER MANUAL ref 9011509 01 AFO485 and RFO485 Page Intentionally left blank ...

Page 35: ......

Page 36: ...nce Tél 33 4 76 04 20 00 Fax 33 4 76 04 20 01 E mail info etictelecom com Web www etictelecom com www hvssystem com Siège social 2 rue René Laennec 51500 Taissy France Contact hvssystem hvssystem com Tél 0326824929 Fax 0326851908 Distribué par ...

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