User Guide

SKVF Evaporative Cooler
Modbus Communication Module User Guide
www.neptronic.com
Page | 15
Protocol
Base
Holding
Register
Description
Data Type
Units, Limits, State Texts
Writa
ble
Default Value
15003
415004
Supply RH Signal Type
Unsigned
Scale 1
0 = 0-10Vdc
1 = 2-10Vdc
2 = 4-20mA
3 = 0-20mA
W
0-10Vdc
15004
415005
Control Profile
Unsigned
Scale 1
0 = ExternAnalog
1 = ExternNetwork
2 = InternHumAnalog
3 = InternHumNetwork
4 = InternCoolAnalog
5 = InternCoolNetwork
6 = HRLHum
7 = HRLCool
8 = Custom
W
ExternAnalog
15005
415006
Modulating High Limit Profile
Unsigned
Scale 1
0 = Disabled
1 = ExternAnalog
2 = ExternNetwork
3 = InternHumAnalog
4 = InternHumNetwork
5 = InternCoolAnalog
6 = InternCoolNetwork
7 = Custom
W
Disabled
15006
415007
Occupancy State
Unsigned
Scale 1
0 = Occupied
1 = Unoccupied
2 = Vacant
3 = Off
RO
Occupied
15007
415008
Room RH Source
Unsigned
Scale 1
0 = None
1 = RoomRH
2 = Network
3 = HRL
W
None
15008
415009
Room RH Setpoint Source
Unsigned
Scale 1
0 = None
1 = Internal
2 = ControlInput
W
None
15009
415010
RH Supply High Limit Reading Source
Unsigned
Scale 1
0 = None
1 = SuppyHLRH
2 = Network
W
None
15010
415011
RH Supply High Limit Setpoint Source
Unsigned
Scale 1
0 = None
1 = Internal
2 = ControlInput
W
None
15011
415012
Control Demand Source
Unsigned
Scale 1
0 = None
1 = ControlInput
2 = RoomDemand
3 = Network
W
ControlInput
15012
415013
Control High Limit Source
Unsigned
Scale 1
0 = None
1 = ControlInput
2 = RHSupplyHLDemand
3 = Network
4=TempSupplyHLDemand
W
None
15013
415014
Control Cutout State
Unsigned
Scale 1
0 = Off
1 = Normal
2 = LowLimit
3 = HighLimit
4 = NoAirFlow
5 = Interlock
RO
Off