Connection diagram
① Positioner (open state) ⑦ Cable clamp
② Vcc: Yellow ⑧ Screw F3x8
③ Vref: Green ⑨ Cable bushing
④ Vpos: White or black ⑩ Four-pole NCS cable
⑤ Ground: Brown ⑪ Non-contacting sensor (NCS)
⑥ EMC filter module C73451-A430-D23 ⑫ Cable shielding lug
Figure 5-1 Wiring of the NCS to the EMC filter module
Procedure
The NCS is equipped with a shielded four-pole cable. Wire this cable to the positioner as follows:
1. Feed the four-pole NCS cable
⑩ through the cable bushing. Note: The type of cable bushing depends on the device
variant. The cable bushing to be used is specified in the positioner Operating Instructions, EMC filter module section.
2. Tighten the cable bushing
⑨.
3. Terminate the four-pole NCS cable
⑩ in the positioner in accordance with the wiring diagram.
4. Place the cable clamp
⑦ onto the outer insulation of the four-pole NCS cable ⑩.
5. Use the screw
⑧ to bond the cable shielding lug ⑫ and the cable clamp ⑦ to equipment ground terminal of the
positioner.
6. Grounding:
The rear steel panel of the NCS is inevitably bonded to ground potential of the system by mounting the console. This
ground connection is only functional on the condition of a low-impedance connection to ground potential of the system.
Ensure this state by measuring ground resistance. If necessary, ensure proper grounding by means of an additional
cable from the NCS to ground potential.
SIPART PS2 Non-Contacting Sensor (NCS)
A5E00097485-07, 01/2012
29
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