Hach GS1140 Manual Del Usuario página 13

4.1 Electrical installation
The figures that follow show the options to install the sensor in a non-hazardous location. To install
the GS2440EX sensor in a hazardous location, refer to the instructions in the GS2440EX Hazardous
Location Safety Precautions and CAx440EX Field Transmitter Hazardous Location Safety
Precautions documents.
Connect the sensor to one of the options that follows:
• CAx440EX field transmitter—Figure 5
• CAx440EX field transmitter and a
• CDx440sc gateway and an SC
• Device—Figure 8
Figure 5 CAx440EX field transmitter
1 Non-hazardous area
2 Sensor
3 Power/4–20 mA sensor cable
Figure 6 CAx440EX field transmitter and a device
1 Non-hazardous area
2 Sensor
3 Power/4–20 mA sensor cable
4 RS-232 sensor cable
4
A DC power supply can be used as an alternative to batteries or with batteries in the field
transmitter. Refer to the CAx440EX field transmitter documentation for instructions.
W A R N I N G
device—Figure 6
Controller—Figure 7
4 RS-232 sensor cable
5 Field transmitter
6 DC power cable (optional, user supplied)
5 Field transmitter
6 Device cable, 4-20 mA analog output of sensor
(user supplied)
7 Device (e.g., SCADA or PLC)
8 DC power cable (optional, user supplied)
4
4
English 13