
AERCO ProtoNode Gateway
Installation, Operation & Maintenance Manual (IOMM)
Page 120 of 126 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0080_0H
11/06/2014 Ph.: 800-526-0288 GF-129
Appendix E: CONVERSION EQUATIONS FOR TEMPERATURE
VARIABLES
Table E-1: Conversion Equations for Temperature Variables
(Variable Counts to Temp)
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
+∗
=
1000
500(230)(RegVar)
Temp(F)
For (RegVar<0):
−∗
=
1000
500(230)(RegVar)
Temp(F)
+∗
=
1000
500(128)(RegVar)
Temp(C)
For (RegVar< 0):
−∗
=
1000
500(128)(RegVar)
Temp(C)
Table E-2: Conversion Equations for Temperature Variables
(Temp to Variable Counts)
Degrees Fahrenheit (°F) Degrees Celsius (°C)
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
+∗
=
230
115(1000)(degF)
RegVar
For (degF<0):
−∗
=
230
115(1000)(degF)
RegVar
−∗
=
128
115(1000)(degC)
RegVar
For (degC<0):
−∗
=
128
64(1000)(degC)
RegVar
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