17
5 Connecting to power supply
PLICSMOBILE T81/B81/S81 • External GSM/GPRS/UMTS radio unit
55234-EN-170206
5.5 Wiring plan
1
PLICSMOBILE
4
5
2
6
3
5
1
2
+
-
6 7 8
4...20mA
SIM
Status
Send
Off On
1
2 3
+
-
Fig. 6: Connection of the voltage supply in the electronics housing
1 Power supply PLICSMOBILE and sensor
2 Sensor connection cable
3 HART sensor from the plics
®
series
4 Brown cable (+) for sensor power supply/HART communication
5 Blue cable (-) for sensor power supply/HART communication
6 Unused wires that must be insulated (not present on Ex version)
Note:
If multiple sensors are connected, they are connected in parallel. The
sensors should first be set to HART Multidrop mode
1
PLICSMOBILE
4
5
2
7
6
3
5
1
2
+
+
-
-
6 7 8
4...20mA
SIM
Status
Send
Off On
1
2 3
+
-
Fig. 7: Connection of the voltage supply in the electronics housing
1 Power supply PLICSMOBILE
2 Sensor connection cable
3 HART sensor from the plics
®
series
4 Brown cable (+) for HART communication
5 Blue cable (-) with HART resistance, as an alternative white cable (-) without
HART resistance
6 Voltage supply, sensor
7 Unused cores to be insulated
Note:
The unused cores of the sensor connection cable must be insulated.
Wiring plan with voltage
supply of the sensor via
PLICSMOBILE
Wiring plan with external
voltage supply of the
sensor