User Guide

SKVF Evaporative Cooler
Modbus Communication Module User Guide
www.neptronic.com
Page | 13
Protocol
Base
Holding
Register
Description
Data Type
Units, Limits, State Texts
Writa
ble
Default Value
10005
410006
RS485 Interface
Unsigned
Scale 1
0 = No
1 = Yes
RO
No
10006
410007
Ethernet Interface
Unsigned
Scale 1
0 = No
1 = Yes
RO
No
10007
410008
Relay Fuse
Unsigned
Scale 1
0 = Normal
1 = Blown Fuse
RO
Normal
10008
410009
Control PCB Fuse
Unsigned
Scale 1
0 = Normal
1 = Open Fuse
RO
Normal
11000
411001
Alarm Warning Relay
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11001
411002
Service Warning Relay
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11002
411003
Water Supply Valve
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11003
411004
Drain Valve
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11004
411005
Circulation Pump
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11005
411004
Alarm LED
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11006
411005
Power LED
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
11007
411008
Buzzer
Unsigned
Scale 1
0 = Off
1 = On
RO
Off
12000
412001
Float Switch
Unsigned
Scale 1
0 = Inactive
1 = Active
RO
Inactive