Siemens SENTRON PAC3200T, Product Manual, Page: 122 / 136

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
Byte Bit Device status Type Bit mask Value range Access
0 0 No synchronization pulse Status 0x01000000 0 =
not active
1 =
active
R
0 1 Device configuration menu is active Status 0x02000000 R
0 2 Voltage overload Status 0x04000000 R
0 3 Current overload Status 0x08000000 R
0 5 Update status is active Status 0x20000000 R
0 6 Hardware write protection is active Status 0x40000000 R
0 7 Modbus communication is write-protected Status 0x80000000 R
1 1 Maximum pulse rate exceeded Status 0x00020000 R
2 0 Relevant parameter changes 1) Saving 0x00000100 R
2 2 Maximum pulse rate exceeded
1)
Saving 0x00000400 R
2 3 Restart of the device
1)
Saving 0x00000800 R
2 4 Resetting of energy counter by user 1) Saving 0x00001000 R
1) Only these device statuses are to be acknowledged.