Gateways and Energy Servers
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Good day friends,
Im trying to receive modbus data from a power meter METSEPM5110 to controller P342020 which has serial modbus rj45 port. The meter has D1, D0, C and Shield terminals.
On the controller side (P342020) RJ45 port, I identified 4 and 5 pins are D1 and D0 respectively and pin 8 is Common. I connected accordingly using a terminal block.
Using the READ_VAR, I am not receiving data from meter.
baud rate is set to 9600, parity even
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In Control Expert, did you setup the M340's serial port as a 2 wire RS485 modbus master running at 9600 baud with even parity? Did you change the default speed of the METSEPM5110 from 19200 to 9600?
If those are both setup then:
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Solved brother. There was 1 offset in the modbus register. When I gave register number one less than in register in read var, data was read.
Thankyou
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