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Command Information
Command
Layout
Modbus slave address nn (1-126)
Command number 06
First register MSB xx
First register LSB xx
Data MSB xx
Data LSB xx
CRC LSB xx
CRC MSB xx
Table 5-11 Format for Write Single Register, command 06
Response Information
Response
Layout
Modbus slave address nn (1-126)
Command number 06
Number of bytes of data n
First register MSB xx
First register LSB xx
Data MSB xx
Data LSB xx
CRC LSB xx
CRC MSB xx
Table 5-12 Format for Write Single Register, response to command 06
Return Slave ID
Command Information
Command
Layout
Modbus slave address nn (1-126)
Command number 11h
Table 5-13 Format for Return Slave ID, command 11h
The Slave ID command returns the ASCII string “xxPVP Inverter IDxxxxx”, for example
“0x50,0xFF,PVP Inverter ID02860910080321”. The rst “xx” represents two non-ASCII
bytes, representing the following information:
Byte 1: 0x50 - An identier byte for PVP inverters
Byte 2: 0x00 - If communication with the inverter is down,
0xFF - If communication with the inverter is okay.
Byte 3 through byte n: Contains “
PVP Inverter IDxxxxx”.
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