RS485 communication issue with Honeywell ML200R

ml200hw

Member
M
Join Date
Jul 2014
Location
pune
Posts
1
Hi,

We are using Honeywell PLC ML200R with RS485 module 2MLL-C22A, 2MLL-CH2A.
We've interfaced this PLC with one of our gateway with RS485 (MODBUS RTU).
In Ladder Logic of PLC, we are polling 5 diff addresses after every 10 seconds.
If I increased one more polling instance, it shows "FE01" status and error count
increases. what could be the reason? How I can poll data register without any error?
 

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