Question on Modbus Comms

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Hello,

We have a client that will be using quite a few modbus devices. One thing he asked about, which I wasn't sure of an answer, is how does Mango handle modbus CRC and any partial data transmissions / failures?

• Is this something that one of the Exception alarms would capture?
• If we're using a slave monitor point, what value would that data point have? I'm guessing 0 since it's not a successful transmission, but not sure.

Any information is appreciated.

Thanks,
Chad

Hi @cmusselm

These would generate a data source exception event if a poll for a specific Modbus slave fails for any reason the monitor will be set to 0.

Thanks for the confirmation, I appreciate it.