The pushbutton can be temporarily mounted for alignments or used to maintain a
per
manent 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
T
he 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.
Figure 23: Switch for the integrated laser alignment aid
•
S1 c
losed: integrated laser alignment aid is switched on
•
S1 open: integrated laser alignment aid is switched off
Further topics
•
"A
ccessories", page 86
4.5 Testing plan
The manufacturer of the machine and the operating entity must define all required
c
hecks. The definition must be based on the application conditions and the risk assess‐
ment and must be documented in a traceable manner.
In addition, the device must be checked for correct functioning after each change to the
configuration and each insertion of the system plug.
b
When defining the check, please note the following:
°
Define the type and execution of the check.
°
Define the frequency of the check.
°
Notify the machine operators of the check and instruct them accordingly.
The following checks are often defined in connection with a protective device:
•
Check during commissioning and modifications
•
Regular thorough check
Check during commissioning and modifications
Be
fore commissioning the machine and after making changes, you must check whether
the safety functions are fulfilling their planned purpose and whether persons are being
adequately protected.
The test is intended to ensure that the hazardous area is monitored by the protective
device and any attempted access to the hazardous area is prevented.
The following points are often helpful for the definition of the check:
•
Does the check have to be completed by qualified safety personnel?
•
Can the check be completed by specially qualified and authorized personnel?
PROJECT PLANNING 4
8027140/2021-11-04 | SICK O P E R A T I N G I N S T R U C T I O N S | deTec4
35
Subject to change without notice
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