Support
Search FAQs
FAQ000270675
How can we help you today?

How to do a correct grounding of TM7 CANopen Bus coupler?

We have to use the recommended mounting plate (TM7ACMP), it connects via both screws to the internal functional EARTH potential, that is used for diverting any interference voltage.

backplate grounding

There is no connection of internal ground (electronic ground e. g. CAN_GND) to EARTH (module backplane or DIN rail).
CAN_SHLD (shielding) is connected to EARTH  (module backplane).
CAN_GND (common internal potential of CAN circuit) is connected to EARTH only by a capacitor and a varistor for EMI reasons.

Pins description of connectors

CAN_GND of master has to be connected to CAN_GND of slave. Will be done by appropriate cable. As well as shieldings will be connected.

internal connections

Released for: Schneider Electric Canada
Explore more
Range:
Modicon TM7
Users group

Discuss this topic with experts

Visit our community and get advice from experts and peers on this topic and more
Explore more
Range:
Modicon TM7
  • Help and Contact Center
  • Contact Sales
  • Find our Offices
  • Where to Buy
  • Careers
  • Company Profile
  • Investors
  • Newsroom
  • Report a Misconduct
  • Product Documentation
  • Product Selectors
  • Software and Firmware
  • Product Substitution and Replacement
  • Blog
  • Events
  • Schneider Electric Community
  • Sustainability
  • Legal Information
  • Privacy Policy
  • Cookie Notice
  • Terms of use
  • Change your cookie settings