Siemens SIPART PS2 Instruções de funcionamento do Compact - Página 29

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Siemens SIPART PS2 Instruções de funcionamento do Compact
Connection diagram
①
Positioner (open state)
②
Vcc: Yellow
③
Vref: Green
④
Vpos: White or black
⑤
Ground: Brown
⑥
EMC filter module C73451-A430-D23
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
variant. The cable bushing to be used is specified in the positioner Operating Instructions, EMC filter module section.
2. Tighten the cable bushing
3. Terminate the four-pole NCS cable
4. Place the cable clamp
⑧
5. Use the screw
to bond the cable shielding lug
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
⑩
through the cable bushing. Note: The type of cable bushing depends on the device
⑨
.
⑩
in the positioner in accordance with the wiring diagram.
⑦
onto the outer insulation of the four-pole NCS cable
⑦
Cable clamp
⑧
Screw F3x8
⑨
Cable bushing
⑩
Four-pole NCS cable
⑪
Non-contacting sensor (NCS)
⑫
Cable shielding lug
⑫
⑦
and the cable clamp
⑩
.
to equipment ground terminal of the
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