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Appendix D. Modbus Register Map
Function
Parameter
Channel 1 /
Alarm B
Channel 2 /
Alarm A
Channel 2 /
Alarm B
130
Table 13: Modbus Register Map (cont.)
Sub Parameter
ID
ModBus
Address
Upper Setpoint
110
Status
120
State
122
Units
124
Type
126
Lower Setpoint
128
Upper Setpoint
130
Status
200
State
202
Units
204
Type
206
Lower Setpoint
208
Upper Setpoint
210
Status
220
Type
Access Modbus
3110 32-bit float
RW
3120 32-bit Integer
RO
3122 32-bit Integer
RO
3124 32-bit Integer
RW
3126 32-bit Integer
RW
3128 32-bit float
RW
3130 32-bit float
RW
3200 32-bit Integer
RO
3202 32-bit Integer
RO
3204 32-bit Integer
RW
3206 32-bit Integer
RW
3208 32-bit float
RW
3210 32-bit float
RW
3220 32-bit Integer
RO
Qty. of
Notes
Request
Registers
Read Holding
2
(0x03), Write
Multiple
(0x10)
Read Input
2
1 = Energized
(0x04)
0 = De-energized
Read Holding
2
0 = Disabled,
(0x04)
1 = Enabled
Read Holding
2
Measurement/Unit
(0x03)
Code 0 = off,
others see tab
Read Holding
2
1 = Setpoint,
(0x03)
2 = In Band,
3 = Out Band
Read Holding
2
(0x03), Write
Multiple
(0x10)
Read Holding
2
(0x03), Write
Multiple
(0x10)
Read Input
2
1 = Energized
(0x04)
0 = De-energized
Read Holding
2
0 = Disabled,
(0x04)
1 = Enabled
Read Holding
2
Measurement/Unit
(0x03)
Code --- 0 = off/others
See tab
Read Holding
2
1 = Setpoint,
(0x03)
2 = In Band,
3 = Out Band
Read Holding
2
(0x03), Write
Multiple
(0x10)
Read Holding
2
(0x03), Write
Multiple
(0x10)
Read Input
2
1 = Energized
(0x04)
0 = De-energized
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