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+--- Thread: ModBus IP / RTU error com (/showthread.php?tid=6226)
ModBus IP / RTU error com - Gadjoken - 18.12.2025
Hello everyone,
I have several air handling units connected behind an RS485-to-IP module, using the Modbus RTU protocol. As a result, there are no communication errors with the IP module itself; however, communication errors may occur on the air handling units connected downstream.
For example, if one air handling unit experiences a communication fault, this is correctly recorded in the error log within the Modbus tab. I would like to know whether there is a way to propagate or retrieve this error in order to trigger an email notification.
Best regards.