SYSTEM DESCRIPTION 3
Subject to change without notice
TRANSLATION OF THE ORIGINAL OPERATING INSTRUCTIONS| VMS6200
3.2.2 Trigger photoelectric sensor
Fig.3: Photoelectric retro-reflective sensor with reflector (e.g., WL18-3)
Legend
1 Photoelectric retro-reflective sensor (e.g., WL18-3)
2 Reflector
• Photoelectric retro-reflective sensor trigger available as an option.
• The emitted light band is reflected back by a reflector.
• Sender and receiver are arranged parallel to one another in the housing.
• Mounted in front of the measuring field.
• Supplies the trigger signal in systems with triggered measurement.
• The trigger signal activates the sensors and opens the internal reading gate.
NOTE! Alternatively, the trigger signal can also be supplied by the customer via the PLC.
Features
Function
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