Siemens Simantic ET 200S - Sensor Type Parameter

4 IQ-SENSE (6ES7138-4GA00-0AB0)
ET 200S
Manual, Edition 10/2005, A5E00514527-01
5-5
5.2.4 Sensor type parameter
This parameter is used to set the sensor type per channel:
• Retro-reflective sensor or
• Diffuse sensor or
• De-activated
Diffuse sensor
Table 5-2 Diffuse sensor
Diffuse sensor Object
Transmitter
Receiver
Circuit state 0: no object detected, i.e. the
object is not in the beam. The receiver
does not detect light
Transmitter
Receiver
Circuit state 1: object detected, i.e. the
object is in the beam. The receiver does
not detect light
Retro-reflective sensor
Table 5-3 Retro-reflective sensor
Retro-reflective sensor Object
Transmitter
Receiver
Circuit state 0: no object detected, i.e. the
object is not in the beam. The receiver
detects light.
Transmitter
Receiver
Circuit state 1: object detected, i.e. the
object is in the beam. The receiver does
not detect light