4.4.6
Laser alignment aid
Important information
DANGER
Hazard due to lack of effectiveness of the protective device
The integrated laser alignment aid switches the OSSDs to the OFF state.
b
Make sure that the outputs of the safety light curtain do not have any effect on the
machine when the integrated laser alignment aid is activated.
b
Only use the integrated laser alignment aid to align the safety light curtain.
Prerequisites
•
A pushbutton is connected.
•
A T-connector with pushbutton is connected.
•
A switch is connected.
Pushbutton
The pushbutton is mounted at the system connection of the sender between the
system plug and the connecting cable.
The pushbutton can be temporarily mounted for alignments or used to maintain a
permanent connection.
Functionality of the pushbutton
•
Press the pushbutton once and release: integrated laser alignment aid is switched
on
•
Press the pushbutton again and release: integrated laser alignment aid is
switched off
Switch
The switch is not suitable for safety light curtains where the sender and receiver are
connected via a T-connector.
The switch is mounted in the control cabinet. A relay or a PLC can also be used as
a switch to enable the integrated laser alignment aid to be switched on and off via a
control panel, for example.
The switch must be connected in accordance with the circuit diagram below.
24 V DC
S1
In1
0 V DC
In2
s
Figure 36: Switch for the integrated laser alignment aid
•
S1 closed: integrated laser alignment aid is switched on
•
S1 open: integrated laser alignment aid is switched off
IO-Link
If the sender and receiver are connected with each other, the laser alignment aid can
also be activated by a command from IO-Link.
4
PROJECT PLANNING
60
O P E R A T I N G I N S T R U C T I O N S | deTec4
8021645/1EB0/2022-04-28 | SICK
Subject to change without notice