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riandanualdy

NB DESIGNER Number Input

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Hello, 

I done connect HMI NB7W series to PLC CP1E and just using input and output (0,0 and 100,00) and i can send data from weighing scale to PLC CP1E with RS232 communication.

My Question is, if i want to send data from HMI NB7W to PLC CP1E but must input the new data first using number input in HMI NB7W, can i send a new data with RS232 communication (like send data from weighing scale to PLC CP1E)? so i can save the new data to memory in CP1E.

I use NB Designer Software and CX Programmer software.

If possible, can you tell me how to do it? 

Thank you
Riandanu

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The HMI has access to all memory areas in the CPU, including numeric.

I don't get where serial comm and a weigh scale comes into this.  If you want a third part device to talk to the PLC, it needs to talk one of the PLC's supported protocols.  And RS232 is a single device connection, so if you are already using the RS232 port for the HMI, you can't also use it for another device.

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