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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
Summary of Contents for SENTRON PAC3120
Page 1: ...PAC3120 and PAC3220 ...
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Page 8: ...Table of contents 6 PAC3120 and PAC3220 Equipment Manual 10 2019 L1V30425208F 01 ...
Page 110: ...Technical data 10 2 Labeling 108 PAC3120 and PAC3220 Equipment Manual 10 2019 L1V30425208F 01 ...
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