ESD C.2920.02, Hardware Manual

Page: 7 / 38

Table of Contents
Safety Instructions ...........................................................................................................................5
1. Overview ...................................................................................................................................... 9
2. Hardware-Installation ..................................................................................................................10
2.1 Connections ......................................................................................................................... 10
2.2 LED-Assignment ..................................................................................................................11
3. Starting Up ................................................................................................................................. 13
4. Technical Data ........................................................................................................................... 14
4.1 General Technical Data .......................................................................................................14
4.2 Microcontroller .....................................................................................................................14
4.3 CAN Interface ...................................................................................................................... 15
4.4 PROFINET IO Interface .......................................................................................................15
4.5 DIAG, Serial Interface via USB-Interface .............................................................................15
5. Interfaces and Connector Assignments ......................................................................................16
5.1 24V-Power Supply Voltage ..................................................................................................16
5.2 CAN ..................................................................................................................................... 17
5.3 24V and CAN via InRailBus ................................................................................................18
5.4 Conductor Connection/Conductor Cross Sections ...............................................................18
5.5 PORT1, PORT2 - PROFINET IO .........................................................................................19
5.6 DIAG .................................................................................................................................... 20
5.6.1 Default Settings of CAN-PN ........................................................................................20
5.6.2 Connector Assignment ................................................................................................20
6. Correct Wiring of Electrically Isolated CAN Networks .................................................................21
6.1 Standards concerning CAN Wiring ......................................................................................21
6.2 Light Industrial Environment (Single Twisted Pair Cable) .....................................................22
6.2.1 General Rules .............................................................................................................22
6.2.2 Cabling ........................................................................................................................ 23
6.2.3 Branching ....................................................................................................................23
6.2.4 Termination .................................................................................................................23
6.3 Heavy Industrial Environment (Double Twisted Pair Cable) .................................................24
6.3.1 General Rules .............................................................................................................24
6.3.2 Device Cabling ............................................................................................................25
6.3.3 Branching ....................................................................................................................25
6.3.4 Termination .................................................................................................................25
6.4 Electrical Grounding .............................................................................................................26
6.5 Bus Length ........................................................................................................................... 26
6.6 Examples for CAN Cables ...................................................................................................27
6.6.1 Cable for light industrial Environment Applications (Two-Wire) ...................................27
6.6.2 Cable for heavy industrial Environment Applications (Four-Wire) ................................27
7. CAN Troubleshooting Guide .......................................................................................................28
7.1 Termination .......................................................................................................................... 28
7.2 Electrical Grounding .............................................................................................................29
7.3 Short Circuit in CAN Wiring ..................................................................................................29
7.4 CAN_H/CAN_L-Voltage ......................................................................................................29
7.5 CAN Transceiver Resistance Test .......................................................................................30
7.6 Support by esd .....................................................................................................................30
8. Appendix InRailBus (Option) ......................................................................................................31
8.1 Connector Assignment ........................................................................................................31
8.2 Using InRailBus (Option) .....................................................................................................32
8.3 Installation of the Module Using InRailBus-Connector .........................................................32
CAN-PN Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.4 Page 7 of 38