Appendix b: modbus registers, Coil registers, Discrete input registers – COSA Xentaur Xentaur XDTL-HT User Manual
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Appendix B: Modbus Registers
Coil Registers
Register
Number
Address
Access
Level
Description
Physical output
1
0 (0h)
User
Relay 1
2
1 (1h)
User
Relay 2
3
2 (2h)
User
Relay 3
4
3 (3h)
User
Relay 4
Discrete Input Registers
Register
Number
Address
Access
Level
Description
Physical input
10001
0 (0h)
Read-Only
Digital input 1 state
10002
1 (1h)
Read-Only
Digital input 2 state
10003
2 (2h)
Read-Only
Digital input 3 state
10004
3 (3h)
Read-Only
Digital input 4 state
Logical output
11101
1100 (44Ch) Read-Only
System fault
11102
1101 (44Dh) Read-Only
Calibration fault
11103
1102 (44Eh) Read-Only
Calibrating
11104
1103 (44Fh) Read-Only
Validating
11105
1104 (450h) Read-Only
Analog Output 1 Valid
11106
1105 (451h) Read-Only
Analog Output 2 Valid