Why is 2-wire Mod Bus wiring not defined in PMM 400/500 operation/installation manual?
Published date:
14 August 2019
Issue:
2-wire Mod Bus wiring is not defined in PMM 400/500 operation/installation manual.
Product line:
PMM 400 / PMM 500
Environment:
PMM 400 / PMM 500
Cause:
2-wire not defined in PMM 400/500 operation/installation manual. This setup is for RS232 serial Modbus wiring directly to the NMC interface which is located under the MCM controller.
Resolution: 2-wire example for single PMM
2-wire example of 2 PMMs
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