Register Tables - Chauvin Arnoux ULYS FLEX Modbus Notice De Fonctionnement

4. REGISTER TABLES

NOTE. Highest number of registers (or bytes) which can be read with a single command:
• in RTU mode: 127 registers
• in ASCII mode: 63 registers
NOTE. Highest number of registers which can be programmed with a single command:
• in RTU mode: 29 registers
• in ASCII mode: 13 registers
NOTE. The register values are in hex format ($).
NOTE. The following registers describe all parameters for any instrument configuration. Refer
to the instrument configuration before sending reading/writing commands: some register
parameters may not be available.
TABLE HEADER
Parameter
Register description
F. code (Hex)
Sign
INTEGER
IEEE
Register (Hex)
Words
M.U.
Data meaning
Programmable data
48
MEANING
Measuring parameter to be read
Description of the register to be read / written
Function code in hex format. It identifies the command type (reading / writing)
If this column is checked, the read register value can have positive or negative sign.
The negative values are represented with 2's complement.
Details for INTEGER type registers
Details for IEEE standard type registers
Register address in hex format
Number of word to be read / written for the register (length)
Measuring unit of parameter
Description of data received by a response of a reading command
Description of data which can be sent for a writing command
MODBUS RTU/ASCII