User Manual

Fieldbuses
Function Manual, 04/2018, FW V4.7 SP10, A5E34229197B AE
169
Communication over CANopen
6
General information on CAN
You can find general information about CAN in the Internet:
CAN Internet pages (http://www.can-cia.org)
The CAN dictionary provides an explanation of the CAN terminology:
CAN downloads (http://www.can-cia.org/index.php?id=6).
Integrating an inverter in a CANopen network
To integrate an inverter in a CANopen network, we recommend the EDS file on the Internet
EDS (http://support.automation.siemens.com/WW/view/en/48351511).
This file is the description file of the SINAMICS G120 inverter for CANopen networks. In this
way, you can use the objects of the DSP 402 device profile.
The following Control Units and inverters have an CANopen interface
G120 CU230P-2 CAN
G120 CU250S-2 CAN
G120C CAN
Table 6- 1 Pin assignment of the connector
Signal D sub connector
---
1
CAN_L, CAN signal (dominant low)
2
CAN_GND, CAN ground 3
---
4
(CAN _SHLD), optional shield
5
(CAN_GND), optional ground
6
CAN_H, CAN signal (dominant high)
7
---
8
---
9