9
TAbLE 3: Modbus Information
Name
Type
Address
Register
Value
Feature
Gas Temperature
Integer
1
Gas Pressure
Integer
2
Gas Pressure Span
Integer
3
High Pressure Alarm Level
Integer
4
Superheat Temperature
Integer
5
Superheat Alarm Set Point
Integer
6
Control Water Temperature
Integer
7
Water Temperature Set Point
Integer
8
High Temperature Alarm Set Point
Integer
9
Low Temperature Alarm Set Point
Integer
10
Aux Water Temperature
Integer
11
Water Level
Integer
12
0
Normal
1
High
2
Low
3
Low Low
Heater Power Output (kW)
Integer
13
Heater Power Output (%)
Integer
14
Heater Element Temperature
Integer
15
Temperature Units
Integer
16
0
Celsius
1
Fahrenheit
Pressure Units
Integer
17
0
PSI
1
Bar
Alarm Status
Integer
18
0
Normal
2
Low Water Temperature
3
High Water Temperature
4
Heater Over Temperature
5
Superheat Alarm
6
High Water Alarm
7
Low Water Alarm
8
PRV Burst Disc
9
EXP Burst Disc
10
High Pressure
