ESD C.2041.04, Hardware Manual, Page: 5 / 29

Table of contents
1. Overview ...................................................................................................................................... 6
1.1 Module Description ................................................................................................................6
2. Hardware Installation ....................................................................................................................7
2.1 Procedure ..............................................................................................................................7
3. PCB View and LED Description ...................................................................................................9
3.1 PCB View ............................................................................................................................... 9
3.2 LEDs and DSUB37 Connector in the Slot Bracket ...............................................................10
4. Technical Data ............................................................................................................................ 11
4.1 General Technical Data ........................................................................................................11
4.2 Microprocessor and Memory ................................................................................................11
4.3 PCI Bus ................................................................................................................................ 12
4.4 CAN Interface ...................................................................................................................... 12
4.5 Software Support .................................................................................................................13
5. Connector Assignments ..............................................................................................................14
5.1 CAN Interface at DSUB37 Connector ..................................................................................14
5.1.1 Adapter Cable CAN-PCI405-B4-1C4 ...........................................................................15
6. Correctly Wiring Electrically Isolated CAN Networks ..................................................................18
6.1 Light Industrial Environment (Single Twisted Pair Cable) .....................................................18
6.1.1 General Rules .............................................................................................................18
6.1.2 Cabling ........................................................................................................................ 19
6.1.3 Termination ..................................................................................................................19
6.2 Heavy Industrial Environment (Double Twisted Pair Cable) .................................................20
6.2.1 General Rules .............................................................................................................20
6.2.2 Device Cabling ............................................................................................................21
6.2.3 Termination ..................................................................................................................21
6.3 Electrical Grounding .............................................................................................................22
6.4 Bus Length ........................................................................................................................... 22
6.5 Examples for CAN Cables ...................................................................................................23
6.5.1 Cable for Light Industrial Environment Applications (Two-Wire) ..................................23
6.5.2 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
8. Declaration of Conformity ...........................................................................................................27
9. Order Information ....................................................................................................................... 28
CAN-PCI/405-B4 Hardware Manual • Doc. No.: C.2041.21 / Rev. 1.2 Page 5 of 29