Table of Contents
Safety Instructions ..........................................................................................................................5
1Overview...................................................................................................................................9
1.1 About this Manual.............................................................................................................9
1.2 Overview of Hardware Versions........................................................................................9
1.3 Description...................................................................................................................... 11
1.3.1 Classical CAN Versions...........................................................................................11
1.3.2 CAN FD Version...................................................................................................... 11
1.3.3 General Properties...................................................................................................12
1.3.4 Customized Options ................................................................................................13
2PCB View with Connectors and Jumpers ................................................................................14
2.1 CAN-PCI/402-2(-FD).......................................................................................................14
2.2 CAN-PCI/402-1...............................................................................................................14
2.3 CAN-PCI/402-4/2-Slot.....................................................................................................15
2.4 Jumpers for CAN Termination and Jumper Depot...........................................................16
2.5 Product Label .................................................................................................................17
3Installing and Uninstalling Hardware........................................................................................18
4Front Panel View with LED-Display .........................................................................................20
4.1 CAN-PCI/402-2 LEDs.....................................................................................................20
4.2 Additional LEDs on CAN-PCI/402-4/Slot2.......................................................................21
5Technical Data ........................................................................................................................22
5.1.1 General Technical Data...........................................................................................22
5.2 PCI Express Interface.....................................................................................................22
5.3 CAN Interfaces ............................................................................................................... 23
5.4 CAN FD Interfaces (CAN-PCI/402-2-FD only).................................................................23
5.5 Software Support............................................................................................................ 24
6Connector Pin Assignments ....................................................................................................25
6.1 CAN via DSUB9..............................................................................................................25
7Correct Wiring of Electrically Isolated CAN Networks..............................................................26
7.1 CAN Wiring Standards.................................................................................................... 26
7.2 Light Industrial Environment (Single Twisted Pair Cable)................................................27
7.2.1 General Rules..........................................................................................................27
7.2.2 Cabling ....................................................................................................................28
7.2.3 Branching ................................................................................................................28
7.2.4 Termination Resistor................................................................................................28
7.3 Heavy Industrial Environment (Double Twisted Pair Cable)............................................29
7.3.1 General Rules..........................................................................................................29
7.3.2 Device Cabling ........................................................................................................30
7.3.3 Branching ................................................................................................................30
7.3.4 Termination Resistor................................................................................................30
7.4 Electrical Grounding........................................................................................................ 31
7.5 Bus Length .....................................................................................................................31
7.6 Examples for CAN Cables ..............................................................................................32
7.6.1 Cable for Light Industrial Environment Applications (Two-Wire)...............................32
7.6.2 Cable for Heavy Industrial Environment Applications (Four-Wire)............................ 32
8CAN Troubleshooting Guide....................................................................................................33
8.1 Termination..................................................................................................................... 33
8.2 Electrical Grounding........................................................................................................ 34
8.3 Short Circuit in CAN Wiring.............................................................................................34
8.4 Correct Voltage Levels on CAN_H and CAN_L...............................................................34
8.5 CAN Transceiver Resistance Test..................................................................................35
8.6 Support by esd................................................................................................................35
9References..............................................................................................................................36
10 Application Note to CAN/402 Boards.......................................................................................37
10.1 Windows Operating System............................................................................................ 37