User Guide

SKVF Evaporative Cooler
Modbus Communication Module User Guide
www.neptronic.com
Page | 3
Protocol
Base
Holding
Register
Description
Data Type
Units, Limits, State Texts
Writa
ble
Default Value
7
400008
Product Actual Firmware Version (in
Integer x100)
Unsigned
Scale 100
1 to 65535 (e.g. 100)
RO
8
400009
Product Actual EEPROM Version (in
Integer x100)
Unsigned
Scale 100
1 to 65535 (e.g. 100)
RO
2000
402001
Control Signal
Unsigned
Scale 1000
Units: Volt (V), Range: 0V to 15V
Value x 1000 (e.g. 2V = 2000)
RO
0V
2001
402002
Room RH Signal
Unsigned
Scale 1000
Units: Volt (V), Range: 0V to 15V
Value x 1000 (e.g. 2V = 2000)
RO
0V
2002
402003
Supply RH Signal
Unsigned
Scale 1000
Units: Volt (V), Range: 0V to 15V
Value x 1000 (e.g. 2V = 2000)
RO
0V
2003
402004
ECM Fan Feedback
Unsigned
Scale 1
Units: Hz, Range: 0 to 30000Hz
Value x 1 (e.g. 10Hz = 10)
RO
0Hz
2004
402005
Float Switch Signal
Unsigned
Scale 1000
Unit: Volt (V), Range: 0V to 10V
Value x 1000 (e.g. 2V = 2000)
RO
0V
2005
402006
Board Temperature Signal
Unsigned
Scale 1000
Unit: Volt (V), Range: 0V to 10V
Value x 1000 (e.g. 2V = 2000)
RO
0V
2006
402007
Main Power Supply
Unsigned
Scale 10
Unit: Volt (V), Range: 0V to 40V
Value x 10 (e.g. 2V = 20)
RO
0V
2007
402008
ECM Fan Feedback 2
Unsigned
Scale 1
Units: Hz, Range: 0 to 30000Hz
Value x 1 (e.g. 10Hz = 10)
RO
0Hz
2008
402009
Room Temperature Signal
Unsigned
Scale 1000
Units: Volt (V), Range: 0V to 15V
Value x 1000 (e.g. 2V = 2000)
RO
0V
2009
402010
Supply Temperature Signal
Unsigned
Scale 1000
Units: Volt (V), Range: 0V to 15V
Value x 1000 (e.g. 2V = 2000)
RO
0V
2010
402011
Control Signal
Unsigned
Scale 1000
Units: Volt (V), Range: 0V to 15V
Value x 1000 (e.g. 2V = 2000)
RO
0V