Appendix
A.1 Modbus TCP
120 Equipment Manual, 09/2022, L1V30415168B-03
A.1.8 Structure - Device diagnostics and device status with the function codes
0x03 and 0x04
Structure
Table A- 5 Modbus offset 205, register 2: Structure device status and device diagnostics
not active
1 =
active
Device configuration menu is active
Hardware write protection is active
Modbus communication is write-protected
Maximum pulse rate exceeded
Relevant parameter changes
1)
Maximum pulse rate exceeded
1)
1)
Resetting of energy counter by user
1)
1) Only these device statuses are to be acknowledged.