I'm still learning Ignition and I'm using a Modbus Device. I'm manually Specify Each Address, but I don't think I'm doing it correctly.
This is what I placed in the tag editor:
OPC Server: Ignition OPC UA Server
OPC Item Path: [PPS33LR]HRUS1.
2023-08-24_18-33-52 Modbus.pdf (73.9 KB)
You need to add the Modbus device in the gateway and then configure the addresses there as well
Since the docs say that the slave unit can be from 1-247, then Ignition's default slave ID of zero won't work. The above includes
1. to specify slave unit #1.
No, you don't need to. The address mappings are entirely optional, and no longer recommended.
Thanks for your response. I was looking at the Modbus Slave. This is the information that it displayed.
I think it should be:
2023-08-26_15-12-10.pdf (6.0 KB)
Makes sense. Are you sure odd parity is correct? The default for Modbus RTU is E-8-1, that is, even parity.