User Guide

SKVF Evaporative Cooler
Modbus Communication Module User Guide
www.neptronic.com
Page | 16
Protocol
Base
Holding
Register
Description
Data Type
Units, Limits, State Texts
Writa
ble
Default Value
15014
415015
State
Unsigned
Scale 1
0 = Off
1 = Idle
2 = LineRinse
3 = Filling
4 = Draining
5 = Running
6 = Alarm
7 = Drying
RO
Off
15015
415016
System Alarm
Unsigned
Scale 1
0 = Normal
1 = DrainTimeout
2 = FillTimeout
3 = WaterLeak
4 = FanDefect
RO
Normal
15016
415017
Fan Request
Unsigned
Scale 1
0 = Off
1 = Default
2 = On
W
Default
15017
415018
Pump Request
Unsigned
Scale 1
0 = Off
1 = Default
2 = On
W
Default
15018
415019
Water Supply Request
Unsigned
Scale 1
0 = Off
1 = Default
2 = On
W
Default
15019
415020
Room Temperature Setpoint Source
Unsigned
Scale 1
0 = None
1 = Internal
2 = ControlInput
W
None
15020
415021
Temp Supply High Limit Reading Source
Unsigned
Scale 1
0 = None
1 = SuppyHLTemp
2 = Network
W
None
15021
415022
Temp Supply High Limit Setpoint Source
Unsigned
Scale 1
0 = None
1 = Internal
2 = ControlInput
W
None
15022
415023
Room Temperature Source
Unsigned
Scale 1
0 = None
1 = RoomTemp
2 = Network
3 = HRL
W
None
15023
415024
Room Temperature Signal Type
Unsigned
Scale 1
0 = 0-10Vdc
1 = 2-10Vdc
2 = 4-20mA
3 = 0-20mA
W
0-10Vdc
15024
415025
Supply Temperature Signal Type
Unsigned
Scale 1
0 = 0-10Vdc
1 = 2-10Vdc
2 = 4-20mA
3 = 0-20mA
W
0-10Vdc