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Kendrion Kuhnke Automation GmbH
AI8-Pt/Ni/TC
132
11/25/2016
4.22.2.3 LEDs "Channel"
The LEDs labeled "Channel" indicate the state of the
respective channel
.
State
LED flash code Explanation
On
Green, on
Channel enabled
Off
Off
Channel disabled
Error
Red 1x
Sensor low
Red 2x
Sensor high
Information operating mode Pt100/Ni100
In the Pt100 and Ni100 operating modes, the "Input High" error message is not displayed
if no temperature sensor is connected. If the wiring is correct (2-wire connection with
bridge or 3-wire connection), the faults are correctly detected/displayed.
4.22.3 Function
The module AI8-Pt/Ni/TC has 8 analog inputs for temperature sensors. The measuring range of each
channel can be set separately to millivolts, Pt100, Pt1000, Ni100, Ni1000 (DIN43760)
and thermo coupler.
4.22.3.1 Analog inputs
Check the following variable for the digitized input values:
Variable
Data type Explanation
Channel_n
INT
Value measured on channel n (n= 0…7)
4.22.3.2 Measuring value
The presentation of the measured value is in 0.1 ° C (Default). Alternatively, the presentation in Ohms / Volt
or as raw value can be selected.