You have a unit ID of 2 (the digit directly after [marquee]), however in your first screenshot it says unit ID 10, but also on the right unit 1, then again this is Modbus TCP so unit ID should not exist (I have only used it when dealing with TCP to RTU devices, the unit ID identifies which unit in the RTU chain you are talking to).
Actually, I don't know what the user ID is. That's why I attached pictures of the information on the screen when it starts. I can see group "01" and unit "0001". Not sure if the Unit ID is the same as Unit "0001". If we check the info there is another variable with the name UN "255". I assume it could be "1" or "255" not sure where I can get it.
From INDUCTIVE MANUAL:
HRS FORMAT: HRS"Modbus address":"length"
My tag path should work with something like[marquee]1.HRS1:120 Or [marquee]255.HRS255:120
Do you have Allow Write Multiple Registers Request turned on in the connection configuration in Ignition? It mentions if this is off you might not be able to write strings
I'm looking at the configuration we have for our small marquee from AD that we have.
Not true. Zero is recommended for Modbus TCP, but any unit (or multiple units) can be defined by the target. A modbus TCP to RTU gateway will typically pass it through to the target RTU device.
(If omitted, Ignition's driver inserts unit zero in the protocol. My driver defaults to unit 1.)
`Allow Write Multiple Registers Request was turned off, but I just turned it on and it didn't work. I'll leave it enabled. What Modbus Address # do you recommend using if you check my info on the screen?
Maybe try [marquee]10.HRS2:120 since your unit's id is 10. According to the docs from EZAutomation register 40002 is the first register you can write to. 40001 is a register that counts number of messages processed and can only be read.
