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Old March 15th, 2019, 10:44 AM   #1

gottspeed is offline
Join Date: Feb 2017
Location: Canada
Posts: 16
TECO PLR with Modbus

Hi guys, I've never used a Teco PLR like this and I'm hoping someone might know what I'm up against here.

I need to connect a chain of wall mountable LED counters to a TECO PLR as well as the TECO OP10 HMI. Its my understanding that all these will connect via the same rs232/485 terminals, and so I'm wondering what the master/slave situation will be like.

The HMI should be master so that it can send values to the PLR, but then how to I send values to the LED Display nodes from the PLR?
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