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General Category => Do-more CPUs and Do-more Designer Software => Topic started by: RBPLC on November 11, 2020, 08:16:17 PM

Title: Connection Status to Modbus Device
Post by: RBPLC on November 11, 2020, 08:16:17 PM

Is there a structure associated with a created device that can be used for connection status monitoring? For example, if I've created a Modbus TCP device is there a status indicator bit that tells me I have good comms with the device?

Title: Re: Connection Status to Modbus Device
Post by: BobO on November 12, 2020, 01:24:24 AM

Quote from: RBPLC on November 11, 2020, 08:16:17 PM

Is there a structure associated with a created device that can be used for connection status monitoring? For example, if I've created a Modbus TCP device is there a status indicator bit that tells me I have good comms with the device?

Not for clients, only servers. If I?m trying to get error rates, I just use the error bit from the instruction to drive an INC instruction.

We are beginning work shortly on a new Modbus device-centric scanner function that will have an associated structure and health status. It?ll be in 3.0 next year.