ModBus RTU to citect SCADA Communication Problem

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Thread Starter

Vinod Ghate

We are facing a Problem Citect SCADA 7.1. We have Procured a Data logger which has Modbus RTU protocol on RS232 (Pin Configuration 2 - 3 == 3 -2 Cross wiring).

I have tried to communicate it with our CITECT 7.1 SCADA & could not able to do it. Previously we had a Masibus Data logger, which we are replacing by this new data logger, that has a Optomux protocol.Pl. Help me to configure new data logger with this new protocol (it has its starting register as 30001 to 30048). We have communicated to Modscan S/W on same pc which has successful communication with Data Logger.

Following are my queries
1. Do we need to make any changes in Citect.ini
2. Do we ned to run set up wizard.
3. Any Modbus drivers required to install
4. can you kindly explain step by step how to configure.
 
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