WIKA LH-10 Manual De Instrucciones página 12

6.2 Electrical mounting
6.2.1 Connection assembly
Use the submersible pressure transmitter with shielded cable and ground the shield on at least one end of the lead,
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if the lines are longer than 30 m or leave the building.
EN
When the shield of the cable is being connected, no potential differences should exist between the medium, the
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vessel and the ground connection of the junction box or the control cabinet.
Make sure that no moisture enters at the cable end.
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6.2.2 Pin assignment
Cable outlet
6.2.3 Setting up a voltage supply
The power supply for the instrument must be made via an energy-limited electrical circuit in accordance with section
9.4 of UL/EN/IEC 61010-1, or an LPS to UL/EN/IEC 60950-1 / CSA C22.2 No.60950-1, or class 2 in accordance with
UL1310/UL1585 (NEC or CEC). The power supply must be suitable for operation above 2,000 m should the instrument
be used at this altitude.
Power supply
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The power supply depends on the selected output signal.
4 ... 20 mA:
0 ... 20 mA:
DC 0 ... 5 V:
DC 0 ... 10 V:
DC 0.5 ... 2.5 V: DC 5 ... 30 V (suitable for battery operation)
12
2-wire
brown
U
+
U - green
-
S
+
Shield grey
DC 10 ... 30 V
DC 10 ... 30 V
DC 10 ... 30 V
DC 14 ... 30 V
WIKA operating instructions submersible pressure transmitter, model LH-10
3-wire
brown
green
white
grey