RayTek 54301 operating instructions 24MID

Installation
5.4.1EmissivitySetting(analogcontrolled)
TheinputFTC1canbeconfiguredtoacceptananalogvoltagesignal
(0to5VDC)toproviderealtimeemissivitysetting.Thefollowing
tableshowstherelationshipbetweeninputvoltageandemissivity.
U in V 0.0 0.5 … 4.5 5.0
Emissivity 0.1 0.2 … 1.0 1.1
Table4:RatiobetweenAnalogInputVoltageandEmissivity
Example:
Theprocessrequiresthesettingofemissivity:
• forproduct1:0.90
• forproduct2:0.40
Followingtheschemebelow,theoperatorneedsonlytoswitchto
position“product1”or“product2”.

+ 5 VDC
“product 1”
R1 = 200 Ω
4.0 V (ε=0.9)
To the input FTC1
of the sensor
R2 = 500 Ω
1.5 V (ε=0.4)
“product 2”
R3 = 300 Ω
Figure14:AdjustmentofEmissivityatInputFTC1(Example)
24MID