1 Preliminary note 1.1 Symbols used ► Instruction > Reaction, result → Cross-reference Important note Non-compliance can result in malfunctions or interference� 2 Safety instructions • Please read this document prior to set-up of the unit� Ensure that the product is suitable for your application without any restrictions�...
4 Installation T: transmitter; R: receiver ► Secure the optical fork sensor (OPU���) to a bracket� 5 Operating and display elements 1: LED yellow 2: output function switch 3: sensitivity potentiometer...
6 Electrical connection The unit must be connected by a qualified electrician� ► The national and international regulations for the installation of electrical equipment must be adhered to� ► Ensure voltage supply to EN 50178, SELV, PELV� The following indications apply if there is a UL listing mark on the product: ►...
7 Settings The unit and the parameters are set via the operating elements (→ 7.2)� For selected units, setting can be done via IO-Link (→ 7.1)� 7.1 IO-Link This unit has an IO-Link communication interface which enables direct access to process and diagnostic data�...
7.2.2 Sensitivity setting The sensor is to switch when the object is detected ► Set the setting potentiometer to the lowest sensitivity� ► Position the object to be detected in the detection zone� ► Increase the sensitivity until the yellow LED lights�...
► Reduce the sensitivity until the yellow LED goes out� ► Remove the object from the detection zone� > The yellow LED is lit again� The setting operation is completed� 8 Operation ► Check whether the unit operates correctly� > The yellow LED is lit when the output is switched� 9 Maintenance, repair, disposal ►...