C# application to collect data from PAC3200 via MODBUS TCP

[David Ayala]

We need to develop a C# application for windows (xp, 7) to collect
data from several SENTRON PAC3200 devices. We are using an open source
Modbus driver, it has been downloaded from http://www.nmodbus.com/Default.aspx.htm.
Currently, I can connect to the device but then when I try to read
"InputRegiters" I get an exception indicating that 0 bytes have been
read from the device. Can you give any idea about how to proceed.

[RaviKumar Balasubramaniam]

David,

 

Make sureyou are able to ping the modbus slave. Check the mosbus map of the vendor. Are you reading one register or two registers. I guess PAC3200 meter uses two registers for values.

 

-Ravi.

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