Siemens SIPART PS2 Petunjuk Pengoperasian yang Ringkas - Halaman 23

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A linear movement of the magnet in the sensor range also generates a resistance change that is used to identify the

position. The following figure highlights the principle:

①

Magnet

②

Sensor

Figure 3-3

Resistance change depending on the position of the magnet

Non-linearity is corrected automatically in the SIPART PS2 positioner by software.

The great advantage of this principle is the absence of wear. Moreover, vibration, dampness and temperature only have a

minor impact on the measurement result.

Mounting

4.1

Mounting the NCS to the rotary actuator

Prerequisites

1. An EMC filter module in the positioner.

2. An NCS for rotary actuators 6DR4004-.N.10

3. A rotary actuator with interface to VDI/VDE 3845 and mounting console to VDI/VDE 3845, or a rotary actuator with

manufacturer-specific interface.

SIPART PS2 Non-Contacting Sensor (NCS)

A5E00097485-07, 01/2012

③

Resistance change

④

Angle