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modbus address on process controller 38-300


teiriz

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Hi..I'm in the process of identification on process pressure rig 38-714 using Modbus on process controller 38-300 from feedback . I want to know is how the setting and addressing the process control and process variables on the process controller 38-300.

I previously had tried to use the NI OPC server and I get a value of 64 537 for Process variable and the value is not changed even though I have changed the parameters of the plant. any suggestions?

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Hi..I'm in the process of identification on process pressure rig 38-714 using Modbus on process controller 38-300 from feedback . I want to know is how the setting and addressing the process control and process variables on the process controller 38-300.

I previously had tried to use the NI OPC server and I get a value of 64 537 for Process variable and the value is not changed even though I have changed the parameters of the plant. any suggestions?

All devices have different address maps for the PV. You will need to read the manual.

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