Figure 7 CDx440sc gateway and an SC Controller
1
Non-hazardous area
5
CDx440sc gateway
2
Sensor
6
Digital extension cable
3
Power/4–20 mA sensor cable
7
SC Controller
4
RS-232 cable
Figure 8 Device—Direct analog (4-20 mA) or digital (RS-232) communication
1
Non-hazardous area
4
RS-232 cable (optional)
2
Sensor
5
Device (e.g., SCADA or PLC)
3
Power/4–20 mA sensor cable (12 to 28 VDC,
4-20 mA loop power)
4.1.1 Cut the sensor cable (optional)
If necessary, cut the sensor cable(s) to decrease the length. After a sensor cable(s) is cut, prepare
the sensor wires as shown in
. Make sure to cover the bare wire of the two shield wires with
wire insulation.
Note: When two sensor cables are used, the sensor cables must be attached to each other with zip ties to keep the
EMC compliance rating, unless the sensor cables are installed in conduit.
14
English
Содержание GS1440
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