
1 Safety information
1.1 General safety notes
■Read the operating instructions before commissioning.
■
Connection, mounting, and configuration may only be performed by trained
specialists.
■
Not a safety component in accordance with the EU Machinery Directive.
■
When commissioning, protect the device from moisture and contamination.
■These operating instructions contain information required during the life cycle of
the sensor.
1.2 Notes on UL approval
The device must be supplied by a Class 2 source of supply.
UL Environmental Rating: Enclosure type 1
2 Intended use
The WLA26 is an opto-electronic photoelectric retro-reflective sensor (referred to as
“sensor” in the following) for the optical, non-contact detection of objects, animals, and
persons. A reflector is required for this product to function. If the product is used for any
other purpose or modified in any way, any warranty claim against SICK AG shall become
void.
3 Operating and status indicators
WLA26x-xxxxxx00 WLA26x-xxxxxx01 WLA26x-xxxxxx02
1BluePilot blue: alignment aid
2LED indicator yellow: status of received light beam
3LED indicator green: supply voltage active
4Press-turn element: time function adjustment
5Teach pushbutton: adjustment of light/dark switching
1 SAFETY INFORMATION
48020357.14CS | SICK
Subject to change without notice