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I've recently acquired the UCR-ST-B8 router from Unitronics. The set-up was easy but it won't communicate with other devices.
My goal is that the router is connected to a PLC through a direct ethernet cable and that the PLC can read the status of the router, effectivly making the router a slave of the PLC.
I also want to recieve SMS messages on the router and the PLC to read those messages.
*Note I did change the IP from 192.168.1.1 to 192.168.0.1
With a cable in LAN 1 of the router and the other end in a laptop we can connect to the webUI. Here (Services-->Modbus) I've configured the router as a modbusTCP slave and did save the settings.
After this I close the webUI and connect to the router using QModMaster (https://sourceforge.net/projects/qmodmaster/).
With this program I should be able to read the registers of the router. (I know this works as I've used it before)
But when I try to read the registers it doesn't get a return signal.
After this I've tried it using a PLC.
But I am not really familliar with the Unilogic enviroment so I'm having a bit of trouble setting it up.
As stated earlyer I want to read the data from the router and recieve SMS messages from the router and read those using the PLC.
Would I need to setup the router as a router or as a modem in the Unilogic enviroment?
Further if I set it up as a router would I need to take extra steps to read out the UCR-ST-B8 or should I be able to read all the data immediately?
So the questions I have are:
How do I read out the router? What settings need to be configured.
Is it possible to read the data using a PLC? I'm using a USC-B5-T24 and how would I do that.
Should I use ModbusTCP or Modbus RTU rs485?
Ahh yes, sorry. I've used it within Vectors in the past and mis-remembered that it allowed a range to be done.
I'm putting a trademark on mis-remembered. But I'll allow usage here on the forum. We can make it the person over 40s version of "mybad", which unfortunately covers a host of frustrating actions that have little responsibility attached. 🙂