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Modicon M221 - TM3 bus doesn’t work with TM3DM24R or TM3XTYS4 SV 2.0
  • Problem description:
If TM3DM24R or TM3XTYS4 module is placed before TM3 analog input modules (TM3A* or TM3T*) with TM221 controller.
  • Results:
- The TM3 expansion bus communication is not operationnal, the IO ERR Led is fixed red.
- The system word %SW118 is different than 16#FFFF (bit 13 or bit 14 is set to 0).

=> This issue is fixed by the M221 firmware version v1.10.1.3 attached to this FAQ.
  • How to update M221 with .mfw file:
See attached document.

Schneider Electric Malaysia

Attachment(s)
M221 - FW V1.10.1.3.zip [429.2 KB]
How to update M221 with .mfw file.docx.zip [126.12 KB]
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