ProMinent DULCOTEST ICT 8 Bedienungsanleitung Seite 9

3.2 Electrical installation
Interface cable
Fig. 2: Electrical installation
Cable colours
Red: +12 V ... 24V DC at 50 mA
n
Black: Power supply 0 V
n
Yellow: 4 ... 20 mA current loop output, positive line
n
Green: 4 ... 20 mA current loop output, negative line (return)
n
Orange: Range selection, wire 1
n
Brown: Range selection, wire 2
n
The negative pole of the power supply needs to be connected to the negative pole of the PLC's ana‐
logue input.
Tab. 2: Measuring range selection:
Measuring range
20 mS/cm
200 mS/cm
2 mS/cm
Red
Black
Yellow
Green
Orange
Brown
Measuring range 1 (orange
lead)
open
connected to 0 V
open
Assembly and installation
Mains voltage
+12 ... +24 V
0 V
PLC
+
4 ... 20 mA input
-
Measuring range 2 (brown lead)
open
open
connected to 0 V
A2777
9