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SKS4 Steam to Steam Humidifier
Modbus Communication Module User Guide
Page | 10
Protocol
Base
Holding
Register
Description
Data Type
Units, Limits, State Texts
Writable
Default
Value
11001
4
11002
Alarm Warning Relay
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11002
4
11003
Service Warning Relay
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11003
4
11004
Water Level Valve
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11004
4
11005
Tank Water Valve
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11005
4
11006
Drain Cooler Valve
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11006
4
11007
Drain Pump
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11007
4
11008
Drain Pump 2
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11008
4
11009
Drain Pump 3
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11009
4
11010
Alarm LED
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11010
4
11011
Power LED
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11011
4
11012
Buzzer
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
12000
4
12001
System Production Test Done
Unsigned
Scale 1
0 = Inactive
1 = Active
RO
Inactive
12001
4
12002
Network Control State
Unsigned
Scale 1
0 = Normal
1 = Fault
W
Normal