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WRC-CANR-DF

CAN-Bus Fiber Optic Bus Extender

User’s Manual

estern

eserve

ontrols, Inc.

Содержание WRC-CANR-DF

Страница 1: ...WRC CANR DF CAN Bus Fiber Optic Bus Extender User s Manual Western Reserve Controls Inc ...

Страница 2: ...ulting from the use of this manual Document PUB 14 1 Rev 1 08 March 2002 Copyright 1998 2002 WRC Western Reserve Controls Inc 1485 Exeter Road Akron OH 44306 330 733 6662 Phone 330 733 6663 FAX sales wrcakron com Email http www wrcakron com Web SmartMux Lite CAN Bus Extender and WRC are trademarks of Western Reserve Controls Inc DeviceNet is a trademark of the Open DeviceNet Vendor Association Inc...

Страница 3: ... AND CONFIGURATION 5 4 1 OVERVIEW 5 4 2 LED OPERATION 5 4 3 DIP SWITCH SETTINGS 7 4 3 1 Slide Swith version 7 4 3 2 Piano Switch Version 8 4 4 POWER REQUIREMENTS 8 4 5 NETWORK CABLING AND CONFIGURATION 9 4 5 1 Cable Lengths 9 4 5 2 Network Termination 9 4 5 3 CAN Bus Connection Wiring 10 4 5 4 Alternate Connector Options 12 5 OPERATION 13 5 1 APPLICATION NOTES 13 6 ACCESSORIES AND OTHER WRC PRODUC...

Страница 4: ... 7 NETWORK MAXIMUM LENGTHS SDS 9 TABLE 4 8 TERMINATING RESISTORS 10 TABLE 4 9 DEVICENET CABLE SPECIFICATIONS 11 TABLE 4 10 SDS CABLE SPECIFICATIONS 12 TABLE 6 1 ACCESSORIES AND OTHER WRC PRODUCTS 16 LIST OF FIGURES FIGURE 4 1 WRC CANR DF DN CAN BUS EXTENDER 5 FIGURE 4 2 DIP SWITCH SETTINGS SLIDE SWITCH ONLY 7 FIGURE 4 3 DIP SWITCH SETTINGS PIANO SWITCH ONLY 8 FIGURE 4 4 LOCATION OF TERMINATING RES...

Страница 5: ...CAN V2 0 Part A serial bus systems By allowing the user to extend the bus length for any given speed they assist the user in cost effectively implementing I O or other nodes on these buses at remote locations that would be more difficult or more expensive to do otherwise The unit derives its power through the copper network connector on Side A 1 1 Features The WRC CANR DF DN has the following feat...

Страница 6: ... a typical application Whenever a message is transmitted on the Bus to which CANR DF is connected CANR DF receives the message on the side where it was initiated and performs a store and forward of the message to the other side This action is performed in each direction and is performed for any valid CAN message independent of who generated it or to whom it is intended There is approximately a 75µ...

Страница 7: ...approximately 5 seconds the Module Status LED labeled MS will go on solid green and network LEDs labeled NSA and NSB will flash green 5 Connect the fiber cables to the Fiber Network Side B 6 Connect the second CANR DF as above Be sure to connect the fiber from the TX port on one device to the RX port on the other 7 Both Network A and B Status LEDs NSA and NSB will go on solid on each unit once a v...

Страница 8: ...male pins male threads CAN Bus Cable See accessories list Fiber Optic Cable 62 5 125nm multi mode ST termination Fiber Cable Length Defined by DeviceNet speed and baud rate See DeviceNet cable length specs Fiber Connection Used On Device ST female Fiber Cable ST male Status Indicators MS Module Status green red bi color LED NSA Copper Network A Status green red bi color LED NSB Fiber Network B Sta...

Страница 9: ...The CANR DF is a NEMA 4X enclosure and is panel mounted Figure 4 1 WRC CANR DF DN CAN Bus Extender 4 2 LED Operation A WRC CANR DF DN Multiplexer has six 6 LEDs that provide visual status information to the user about the product and the DeviceNet network See Figure 4 1 Table 4 1 Table 4 2 and Table 4 3 NSA NSB D8 MS NETWORKA NETWORK B 5 11 130 mm 3 70 94 mm 0 30 7 5 mm 0 30 7 5 mm MINI CONNECTOR ...

Страница 10: ...ing Flashing Green Autobaud selection The WRC CANR DF DN is waiting for a valid message to fix the baudrate Green On line WRC CANR DF DN is operating normally Flashing Red Communications error One of several communications errors defined below has occurred Red Critical link failure WRC CANR DF DN has detected an error which makes it incapable of communicating on the link Communications errors incl...

Страница 11: ...eceived from the fiber link 4 3 DIP Switch Settings The WRC CANX XX Multiplexer has a 6 pole DIP switch Switch positions 5 and 6 are used to set the baud rate Switch positions 1 4 are reserved for future functions 4 3 1 Slide Swith version Table 4 4 Baud Rate Settings SLIDE Switch Only Baud rate Position 1 4 Position 5 Position 6 125K n a ON ON 250K n a ON OFF 500K n a OFF ON Autobaud n a OFF OFF ...

Страница 12: ... n a CLOSE CLOSE 250K n a CLOSE OPEN 500K n a OPEN CLOSE Autobaud n a OPEN OPEN 125k baud 250k baud 500k baud Autobaud Figure 4 3 DIP Switch Settings PIANO Switch Only 4 4 Power Requirements The WRC CANR DF DN CAN Bus Extender subsystem is powered from the 11 25 Vdc provided by the DeviceNet network The WRC CANR DF DN consumes 70 mA of current at 24 Vdc or 1 8 Watts typical See Section 3 ...

Страница 13: ...etwork for any baud rate The CANR DF is transparent to the network and does not count as an addressed device However Table 4 7 Network Maximum Lengths SDS Trunk Line Length maximum Drop Length maximum Baud Rate Meters Feet Meters Feet No of Nodes 125 Kbits s 457 2 1500 3 6 12 64 250 Kbits s 182 8 600 1 8 6 64 500 Kbits s 91 4 300 0 9 3 64 1 Mbits s 22 8 75 0 3 1 32 SDS has a limit of 32 nodes per ...

Страница 14: ... terminated The user must remove the built in terminator by clipping it out of the circuit Some specifications for the terminating resistor are Table 4 8 Terminating Resistors DeviceNet SDS 121 ohm 120 ohm 1 metal film 2 1 4 watt 1 4 watt Important Per the DeviceNet and SDS specs do not terminate devices on drop lines CLIP HERE R19 Figure 4 4 Location of Terminating Resistor on Network Side A 4 5 ...

Страница 15: ... s Manual PUB 14 1 11 1 2 3 4 5 Figure 4 5DeviceNet Network Side A cable connector Male pins Pin Function Wire color 1 drain bare 2 V red 3 V black 4 CAN_H white 5 CAN_L blue Table 4 9 DeviceNet cable specifications Figure 4 6 SDS Mini Connector ...

Страница 16: ...4 5 4 Alternate Connector Options Cable sets may be purchased from an appropriate vendor or custom made Turck supplies individual connectors that may be used to build custom DeviceNet or SDS copper cables Turck part number B 4151 0 16 is a 5 pin 600V 9A connector that mates with a number of cables that may be used for the Network A side on the CANR Contact WRC or your local Turck dealer ...

Страница 17: ...is performed for any valid CAN message independent of who generated it or to whom it is intended There is approximately a 75 µsec propagation delay of the message through the CANR DF The CANR DF is not addressed as a specific device on the Bus and cannot be interrogated by other nodes It is transparent to all other nodes on the bus 5 1 Application Notes NOTE CANR DF S ARE ALWAYS USED IN PAIRS To h...

Страница 18: ...Western Reserve Controls WRC CANR DF DN User s Manual PUB 14 1 14 Figure 5 2 CANR DF on Trunk Line and Drop ...

Страница 19: ...evices as a part of your DeviceNet system Part WRC P N Equivalent Mfr Part Number CANX NEM Cable n a Various manufacturers Mini Style Connector Examples Cable assy w male threads male pins Turck RSM 570 M 630 trunk line Turck RSM 571 M 630 drop line DIN rail 1 meter WRC 50022 Phoenix Contact NS 35 7 5 0801733 2 m Allen Bradley 199 DR1 1 m Terminating resistor RM121DN 121Ω 1 metal film axial lead r...

Страница 20: ...hannels WRC1 JDB24 Discrete I O block 48 channels WRC1 JDB48 Discrete I O Analog Input block 24 DIO 32 AI WRC1 JDA 24 Discrete I O Analog Input block 48 DIO 32 AI WRC1 JDA 48 Analog I O block 32 channels WRC1 JDAIO Discrete and Analog I O block 24 DIO 32 AIO WRC1 JDAIO 24 Discrete and Analog I O block 48IO 32 AIO WRC1 JDAIO 48 Discrete I O block 8 DIs 8 DOs 4 AIs W5 JDB16x DeviceNet CANopen Extend...

Страница 21: ...etwork does not have a terminating resistor Add a 121 ohm resistor across the CAN_H and CAN_L signals at the first and last nodes 3 Network cable is broken or disconnected 4 Network cable is miswired Problem Device will not communicate on the network RX LED is not on solid Possible Solutions 1 Network cable is broken or disconnected Problem Device does not communicate every message on the network ...

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