Meter identification number it can be read over Modbus “Read Device Identification” function is used to access in a standardized manner the
information required to clearly identify a device.
The description is made up of a set of objects (ASCII character strings).
The subset of the function adapted to the PM9C is described in the attached file chapter “Read Device Identification”.
PM9C is a conformity level 2 device but it must be able to answer to basic, regular and extended identification requests.
Notes:
(1):The firmware version is in the LSB word only. The version is coded as a value “100” (decimal) for “1.00”. “101” (decimal) will be used to code “1.01” etc.
PM9C also support Modbus function 43 (0x2B) "Read Device Identification"
PM9C is a conformity level 2 device but it must be able to answer to basic, regular and extended identification requests.
The complete description of the function can be found in http://www.modbus.org./
information required to clearly identify a device.
The description is made up of a set of objects (ASCII character strings).
The subset of the function adapted to the PM9C is described in the attached file chapter “Read Device Identification”.
PM9C is a conformity level 2 device but it must be able to answer to basic, regular and extended identification requests.
Notes:
(1):The firmware version is in the LSB word only. The version is coded as a value “100” (decimal) for “1.00”. “101” (decimal) will be used to code “1.01” etc.
PM9C also support Modbus function 43 (0x2B) "Read Device Identification"
PM9C is a conformity level 2 device but it must be able to answer to basic, regular and extended identification requests.
The complete description of the function can be found in http://www.modbus.org./
