Analog input 4-20ma reference chart, Table c.1, Nalog – RLE FMS V.1.13 User Manual
Page 189: Nput, Eference, Hart
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FMS User Guide
189
A
P P E N D I X
C
HAPTER
0
A
NALOG
I
NPUT
4-20
M
A R
EFERENCE
C
HART
Analog 4-20Ma Gain/Offset Conversion Formula:
Gain = Sensor Range (High Value - Low Value) / 4
Offset = Sensor Low Value - Gain
Example: TH140 Humidity
Gain = (High Value (100) -Low Value (0)) / 4 = 25
Offset = (Sensor Low Value (0) - Gain (25)) = -25
RLE
Product #
Transducer Type
Range
Gain
Offset
TEMPERATURE
TH140
Temperature (Display in Deg F)
32°F - 120°F
22
10
Temperature (Display in Deg C)
0°C - 48.8°C
12.2
-12.2
Humidity
0% - 100% RH
25
-25
T120
Temperature (Display in Deg F)
32°F - 122°F
22
10
Temperature (Display in Deg C)
0°C - 48.8°C
12.2
-12.2
CURRENT
CT55
Current
0 - 5 Amps
1
-1
0 - 55 Amps
13
-13
CT20
Current
0 - 30 Amps
7
-7
0 - 60 Amps
15
-15
0 - 120 Amps
30
-30
CT200
Current
0 - 20 Amps
5
-5
0 - 200 Amps
50
-50
Table C.1
Analog Input 4-20mA Reference Chart