User Guide

SKVF Evaporative Cooler
Modbus Communication Module User Guide
www.neptronic.com
Page | 4
Protocol
Base
Holding
Register
Description
Data Type
Units, Limits, State Texts
Writa
ble
Default Value
4000
404001
Power Output Feedback Signal
Unsigned
Scale 1000
Unit: Volt (V), Range: 0V to 10V
Value x 1000 (e.g. 2V = 2000)
RO
0V
4001
404002
ECM Fan Signal
Unsigned
Scale 100
Unit: Volt (V), Range: 0V to 10V
Value x 1000 (e.g. 2V = 2000)
RO
0V
6000
406001
Demand
Unsigned
Scale 100
Unit: %, Range: 0% to 100%
Value x 100 (e.g. 10% = 1000)
RO
0%
6001
406002
Power Output
Unsigned
Scale 100
Unit: %, Range: 0% to 100%
Value x 100 (e.g. 10% = 1000)
RO
0%
6002
406003
Control Input
Unsigned
Scale 100
Unit: %, Range: 0% to 100%
Value x 100 (e.g. 10% = 1000)
W
0%
6003
406004
Control Min
Unsigned
Scale 100
Unit: %, Range: 0% to 100%
Value x 100 (e.g. 10% = 1000)
W
0%
6004
406005
Control Max
Unsigned
Scale 100
Unit: %, Range: 0% to 100%
Value x 100 (e.g. 10% = 1000)
W
0%
6005
406006
Control Bias
Signed
Scale 100
Unit: %, Range: -10% to 10%
Value x 100 (e.g. 10% = 1000)
W
0%
6006
406007
Room RH
Unsigned
Scale 100
Unit: % RH, Range: 0% RH to 100% RH
Value x 100 (e.g. 10% RH = 1000)
RO
0% RH
6007
406008
Room RH Min
Unsigned
Scale 100
Unit: % RH, Range: 0% RH to 100% RH
Value x 100 (e.g. 10% RH = 1000)
W
0% RH
6008
406009
Room RH Max
Unsigned
Scale 100
Unit: % RH, Range: 0% RH to 100% RH
Value x 100 (e.g. 10% RH = 1000)
W
0% RH
6009
406010
Room RH Bias
Unsigned
Scale 100
Unit: % RH, Range: -10% RH to 10% RH
Value x 100 (e.g. 10% RH = 1000)
W
0% RH
6010
406011
Supply High Limit RH
Unsigned
Scale 100
Unit: % RH, Range: 0% RH to 100% RH
Value x 100 (e.g. 10% RH = 1000)
RO
0% RH