I’m starting a demo/proof of concept with Ignition 8 for the plant where I’m currently working and as a starting point I’d like to get a modbus TCP device (SOCOMEC Diris A40 electricity meter) connected via Modbus.
I tried reaching the device with Ananas64 and I can read correctly with the read holding register function. However, I can’t seem to get Ignition to communicate with the device at all. The device addresses are in the 50000 region (still Holding registers), so the Ignition addresses should be in the 10000 range, I also configured the device ID which for this one is set at 255 and played with the zero based addressing bit without any luck.
All of a sudden, the ignition designer is telling me that the tag quality is uncertain whilst before it was always set to either Bad_Stale or Configuration Error (until I sorted the unit ID). I tried the Quick OPC Server from the gateway, but it doesn’t give me any indication as to what may be happening.
Any ideas on what may be the issue? This is a fresh installation of Ignition8. I have used Ignition 7.9 with Modbus without any problems so am struggling to understand what’s wrong here.