Lookout talking to two Modbus devices

[AdkAndy]

I have two devices on Modbus RS485.  I have both on a Serial to Ethernet converter, and the Ethernet converter on the same network as my PC.  Each device is set up in Lookout as a Modbus Ethernet device, using the IP address of the converter - differentiated by having a different Identifier matching the Modbus address of each device.  Does this sound like a good set up as far as Lookout is concerned?

The problem that I am having is that only one device responds to the queries sent by Lookout, so my question is part of troubleshooting why it's not working.

[Mike@Forshock]

This sounds about right.

Example:

Lookout (10.0.0.1)

Site 1 (10.0.0.10, Serial-to-ethernet MB gateway)

PLC 1 (ID 10)

PLC 2 (ID11)

Site 2 (10.0.0.11, Native MB TCP, ID 1)

PLC 3

Site 3 (10.0.0.12, MB Gateway)

PLC 4 (ID 10)

[Mike@Forshock]

The RS485 terminating resistor setup?  Usually required for daisy chaining.