Hi,
I’m trying to determine whether it’s possible to set the time of a SNAP-PAC-R1 from a Modbus register.
We have a Rockwell controller that will be time-synchronised with a time server. This controller will then pass the time to the Opto PLC.
Is it possible to set the time on the Opto PLC by reading a Modbus register?
Thanks,
Dominic
             
            
              
              
              
            
           
          
            
            
              Hello, you can find the Date and Time MMP addresses from Pac Manager under System and then convert the MMP addresses to Modbus using the Tools/Modbus Calculator in Pac Manager
             
            
              
              
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              thank you, and for that would i could then write to those  addresses setting the time?
Would i to send everything individually in floats ie minutes seconds etc
             
            
              
              
              
            
           
          
            
            
              Per the OptoMMP protocol guide date and time is in the format YY-MM-DD HH:MM:SS.00. The guide has more details about what each address holds and how to format data to write / how data is formatted when reading.
             
            
              
              
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