User Guide

SKVF Evaporative Cooler
Modbus Communication Module User Guide
www.neptronic.com
Page | 14
Protocol
Base
Holding
Register
Description
Data Type
Units, Limits, State Texts
Writa
ble
Default Value
12001
412002
Water Treatment Service Due
Unsigned
Scale 1
0 = No
1 = Yes
RO
No
12002
412003
Service Due
Unsigned
Scale 1
0 = Not Allowed
1 = Allowed
W
Not Allowed
12003
412004
Run While Water Service Alarm
Unsigned
Scale 1
0 = Not Allowed
1 = Allowed
W
Not Allowed
12004
412005
Startup Line Rinse
Unsigned
Scale 1
0 = Off
1 = On
W
Off
12005
412006
Run While Service Alarm
Unsigned
Scale 1
0 = Not Allowed
1 = Allowed
W
Allowed
12006
412007
HRL Lock Setpoint
Unsigned
Scale 1
0 = Unlock
1 = Lock
W
Unlock
12007
412008
Network Control State
Unsigned
Scale 1
0 = Normal
1 = Fault
W
Normal
12008
412009
Notify Alarm
Unsigned
Scale 1
0 = Off
1 = On
W
Off
12009
412010
Notify Warning
Unsigned
Scale 1
0 = Off
1 = On
W
Off
12010
412011
Notify App Msg
Unsigned
Scale 1
0 = Off
1 = On
W
Off
15000
415001
Modbus Server Units
Unsigned
Scale 1
0 = Metric
1 = Imperial
W
Metric
15001
415002
Control Signal Type
Unsigned
Scale 1
0 = 0-10Vdc
1 = 2-10Vdc
2 = 4-20mA
3 = 0-20mA
W
0-10Vdc
15002
415003
Room RH Signal Type
Unsigned
Scale 1
0 = 0-10Vdc
1 = 2-10Vdc
2 = 4-20mA
3 = 0-20mA
W
0-10Vdc