Siemens SENTRON PAC3120 - Modbus Status Parameters (0 x02)

Appendix
A.1 Modbus
PAC3120 and PAC3220
Equipment Manual, 10/2019, L1V30425208F-01
119
A.1.4 Structure - Digital input status and digital output status with the function codes
0x03 and 0x04
The following are available via Modbus:
● "Digital Inputs Status"
● "Digital Outputs Status"
Table A- 5 Structure - status of the digital inputs (Modbus offset 209) and digital outputs (Modbus offset 207)
Name
Length
Status
Byte
Bit
Bit mask
Access
Digital outputs status
32 bits
DO 0.0
3
0
0x00000001
R
Digital outputs status 32 bits DO 0.1 3 1 0x00000010 R
Digital inputs status
32 bits
DI 0.0
3
0
0x00000001
R
Digital inputs status 32 bits DI 0.1 3 1 0x00000010 R
Table A- 6 Structure - status of the digital inputs (Modbus offset 235) and digital outputs (Modbus offset 233) for a
PAC 4DI/2DO expansion module at slot MOD 1 (PAC3220 only)
Name
Length
Status
Byte
Bit
Bit mask
Access
Digital outputs status
32 bits
DO 4.0
3
0
0x00000001
R
Digital outputs status 32 bits DO 4.1 3 1 0x00000010 R
Digital inputs status
32 bits
DI 4.0
3
0
0x00000001
R
Digital inputs status
32 bits
DI 4.1
3
1
0x00000010
R
Digital inputs status
32 bits
DI 4.2
3
2
0x00000100
R
Digital inputs status
32 bits
DI 4.3
3
3
0x00001000
R
Table A- 7 Structure - status of the digital inputs (Modbus offset 239) and digital outputs (Modbus offset 237) for a
PAC 4DI/2DO expansion module at slot MOD 2 (PAC3220 only)
Name
Length
Status
Byte
Bit
Bit mask
Access
Digital outputs status
32 bits
DO 8.0
3
0
0x00000001
R
Digital outputs status
32 bits
DO 8.1
3
1
0x00000010
R
Digital inputs status
32 bits
DI 8.0
3
0
0x00000001
R
Digital inputs status
32 bits
DI 8.1
3
1
0x00000010
R
Digital inputs status
32 bits
DI 8.2
3
2
0x00000100
R
Digital inputs status
32 bits
DI 8.3
3
3
0x00001000
R