Specifications

MODBUS COMMUNICATION MANUAL
A-5
Table A-2. Conversion Equations for Temperature Variables – Variable Counts to Temp
Register
Variable Type Degrees Fahrenheit (°F) Degrees Celsius (°C)
DEGREES_1
20
1000
500(230)(RegVar)
Temp(F) +






+∗
=
7
1000
500(128)(RegVar)
Temp(C) −






+∗
=
DEGREES_2
80
1000
500(220)(RegVar)
Temp(F) −






+∗
=
62
1000
500(183)(RegVar)
Temp(C) −






+∗
=
DEGREES_3
40
1000
500(520)(RegVar)
Temp(F) +






+∗
=
4
1000
500(289)(RegVar)
Temp(C) −






+∗
=
ABS_DEG_1
For (RegVar>
0):






+∗
=
1000
500(230)(RegVar)
Temp(F)
For (RegVar<0):






−∗
=
1000
500(230)(RegVar)
Temp(F)
For (RegVar> 0):






+∗
=
1000
500(128)(RegVar)
Temp(C)
For (RegVar< 0):






−∗
=
1000
500(128)(RegVar)
Temp(C)
Table A-3. Conversion Equations for Temperature Variables – Temp to Variable Counts
Register
Variable Type Degrees Fahrenheit Degrees Celsius
DEGREES_1






+∗−
=
230
115(1000)20)(degF
RegVar






+∗+
=
128
64(1000)7)(degC
RegVar
DEGREES_2






+∗−
=
220
110(1000)80)(degF
RegVar






+∗+
=
183
91.5(1000)62)(degC
RegVar
DEGREES_3






+∗+
=
600
300(1000)40)(degF
RegVar






+∗−
=
289
144.5(1000)4)(degC
RegVar
ABS_DEG_1
For (degF>
0):






+∗
=
230
115(1000)(degF)
RegVar
For (degF<0):






−∗
=
230
115(1000)(degF)
RegVar
For (degC>
0):






−∗
=
128
115(1000)(degC)
RegVar
For (degC<0):






−∗
=
128
64(1000)(degC)
RegVar