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Thread: Carel IR33 Modbus
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22-07-2016, 05:05 PM #1
Carel IR33 Modbus
Hey guys,
I am not a refrigeration engineer. I am a software engineer. I have 2 Carel IR33's that I need to connect via modbus.
IR33Z7LR20
I can connect to this fine.
IR33C00N00
This device I am having trouble connecting to. I am using Ubuntu and a Python library to connect via USB to RS485 but I get no reply. I have tried using the Supernode as a gateway but I'm having trouble configuring that.
This is the Supernode I am using. Documentation isn't great and I'm not sure how to access the service menu in the supernode.
Any help would be greatly appreciated.