ESD C.1330.02, Hardware Manual

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Table of contents
Safety Instructions ...........................................................................................................................5
1. Overview ...................................................................................................................................... 8
2. Front View with Connectors and LEDs .........................................................................................9
2.1 Indication of Status 5 V and Status CAN-5V LEDs .............................................................10
2.1.1 CAN-Repeater-I and CAN-Repeater-Y ........................................................................10
2.1.2 CAN-Repeater-I-Opto and CAN-Repeater-Y-Opto ......................................................10
2.2 Indication of RX-Signal Channel LEDs ................................................................................10
3. Hardware Installation .................................................................................................................11
4. Technical Data ............................................................................................................................ 12
4.1 General Technical Data ........................................................................................................12
4.2 CAN Interface ...................................................................................................................... 13
5. Connector Assignments ..............................................................................................................14
5.1 CAN 1 Interface with Electrical Isolation (P3) .......................................................................14
5.2 CAN-Networks without Electrical Isolation ...........................................................................15
5.3 Power Supply (P4A, P4B, UEGM) .......................................................................................16
6. Correct Wiring of Electrically Isolated CAN Networks .................................................................17
6.1 Standards concerning CAN Wiring ......................................................................................17
6.2 Light Industrial Environment (Single Twisted Pair Cable) .....................................................18
6.2.1 General Rules .............................................................................................................18
6.2.2 Cabling ........................................................................................................................ 19
6.2.3 Termination ..................................................................................................................19
6.3 Heavy Industrial Environment (Double Twisted Pair Cable) .................................................20
6.3.1 General Rules .............................................................................................................20
6.3.2 Device Cabling ............................................................................................................21
6.3.3 Termination ..................................................................................................................21
6.4 Electrical Grounding .............................................................................................................22
6.5 Bus Length ........................................................................................................................... 22
6.6 Examples for CAN Cables ...................................................................................................23
6.6.1 Cable for light industrial Environment Applications (Two-Wire) ....................................23
6.6.2 Cable for heavy industrial Environment Applications (Four-Wire) ................................23
7. CAN Troubleshooting Guide .......................................................................................................24
7.1 Termination .......................................................................................................................... 24
7.2 Electrical Grounding .............................................................................................................25
7.3 Short Circuit in CAN Wiring ..................................................................................................25
7.4 CAN_H/CAN_L-Voltage ......................................................................................................25
7.5 CAN Transceiver Resistance Test ........................................................................................26
7.6 Support by esd .....................................................................................................................26
8. Declaration of Conformity ...........................................................................................................27
9. Order Information ....................................................................................................................... 28
CAN-Repeater Hardware Manual • Doc. No.: C.1330.21 / Rev. 1.4 Page 7 of 28