Siemens SENTRON PAC3120 - Structure - Device Diagnostics and Device Status with the Function Codes 0 X03 and 0 X04

Appendix
A.1 Modbus
120
PAC3120 and PAC3220
Equipment Manual, 10/2019, L1V30425208F-01
A.1.5 Structure - Device diagnostics and device status with the function codes 0x03
and 0x04
Design
Table A- 8 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
1
1
Maximum pulse rate exceeded
Status
0x00020000
R
2
0
Relevant parameter changes
1)
Stored
0x00000100
R
2
2
Maximum pulse rate exceeded
1)
Stored
0x00000400
R
2
3
Restart of the device
1)
Stored
0x00000800
R
2
4
Resetting of energy counters by user
1)
Stored
0x00001000
R
1)
Only these device states must be acknowledged.