Installation
24 MI
5.4.1EmissivitySetting(analogcontrolled)
TheinputFTC1canbeconfiguredtoacceptananalogvoltagesignal
(0 to 5 VDC) to provide real time emissivity setting. The following
tableshowstherelationshipbetweeninputvoltageandemissivity.
U in V 0.0 0.5 … 4.5 5.0
Emissivity 0.1 0.2 … 1.0 1.1
Table4:RatiobetweenAnalogInputVoltageandEmissivity
Example:
Theprocessrequirestheset tingofemissivity:
• forproduct1: 0.90
• forproduct2: 0.40
Following the scheme below, the operator needs only to switch to
position“product1”or“product2”.
Figure14:AdjustmentofEmissivityatInputFTC1(Example)
“product 1”
“product 2”
4.0 V (ε=0.9)
1.5 V (ε=0.4)
To the input FTC1
of the sensor
R1 = 200 Ω
R2 = 500 Ω
R3 = 300 Ω
+ 5 VDC
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