Register Designation Type Display / purpose
500 Version structure definition
"Production data" for Modbus
module
UINT16 Format: XXXX, consecutive version number
501 10-digit serial number for
Modbus module
STRING[10] ASCII coding 10 characters
506 Identification tester/test equip‐
ment for Modbus module
STRING[4] ASCII coding 4 characters
508 ICT testing date for Modbus
module
STRING[10] ASCII coding 10 characters Date format:
DD.MM.YYYY
513 ICT testing time for Modbus
module
STRING[8] ASCII coding 8 characters Format time:
HH:MM:SS
517 Production order of service
provider for Modbus module
STRING[10] ASCII coding 10 characters
522 Material number of printed cir‐
cuit board for Modbus module
STRING[8] ASCII coding 8 characters
526 Revision number of module for
Modbus module
STRING[2] ASCII coding 2 characters Hardware version of
module
Supplementary operating instructions for Modbus RTU
35