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Distributed I/O System ET 200S

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5.2.4 Sensor type parameter<br />

Diffuse sensor<br />

This parameter is used to set the sensor type per channel:<br />

• Retro-reflective sensor or<br />

• Diffuse sensor or<br />

• De-activated<br />

Table 5-2 Diffuse sensor<br />

Diffuse sensor Object<br />

Transmitter<br />

Receiver<br />

Transmitter<br />

Receiver<br />

Retro-reflective sensor<br />

Table 5-3 Retro-reflective sensor<br />

Retro-reflective sensor Object<br />

Transmitter<br />

Receiver<br />

Transmitter<br />

Receiver<br />

4 IQ-SENSE (6ES7138-4GA00-0AB0)<br />

5.2 Parameters for the 4 IQ-SENSE<br />

Circuit state 0: no object detected, i.e. the<br />

object is not in the beam. The receiver<br />

does not detect light<br />

Circuit state 1: object detected, i.e. the<br />

object is in the beam. The receiver does<br />

not detect light<br />

Circuit state 0: no object detected, i.e. the<br />

object is not in the beam. The receiver<br />

detects light.<br />

Circuit state 1: object detected, i.e. the<br />

object is in the beam. The receiver does<br />

not detect light<br />

<strong>ET</strong> <strong>200S</strong><br />

Manual, 12/2005, A5E00514527-03 5-5

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