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Modbus communication is freezing up

J

Thread Starter

Jyothyshanker

Communication between DeltaV DCS and IMCS data concentrator is getting freezed. Even though communication is healthy, some times change in value is not updated in modbus registers.
 
H

Helen

> Communication between DeltaV DCS and IMCS data concentrator is getting freezed. Even though communication is healthy, some times change in value is not updated in modbus registers. <

It seems that your data communication line isn't stable. You can try to monitor data exchange between devices with help any port monitor software.
 
R

rudsaint

>> Communication between DeltaV DCS and IMCS data concentrator is getting freezed. Even though communication is
>> healthy, some times change in value is not updated in modbus registers.

> It seems that your data communication line isn't stable. You can try to monitor data exchange between devices
> with help any port monitor software.

have same problem between floboss S600 and matrikon OPC server for modbus. the system will run ok if u restart the server
 
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