MSA PrimaX IR Manual De Operación página 17

MSA
The device is provided with 4 wires for use. The table below shows the wire color
definitions:
Wiring Color Definitions
Wire color
Red
Yellow
White
Green
Use a maximum [Line + Load] resistance of 500 Ohm between the DC- [white] and
4-20 mA source [yellow] wires.
An external power source is required. Use a high quality, DC power supply with low
noise characteristics. See the diagram below for power supply and wiring details:
Fig. 7 Sensor Wiring Diagram
Input voltage [at sensor]
18 V DC
24 V DC
32 V DC
US
Definition
24 VDC [DC +]
4-20 mA Source [SIG]
0 VDC [DC -]
Earth Ground
Power requirements
Nominal Maximum
220 mA 350 mA
175 mA 250 mA
130 mA 200 mA
PrimaX IR
Installation
18
17