17
SLC440 Series
SLG440 Series
Operating instructions
Safety light curtain / safety light grid
EN
5.2 Wiring example
A2
A1
S12 S11 S21 S22
X1 X2
13
L1
33 41
23
K2
K1
Ui
K2
K1
F1
Ansteuerlogik/
Logic
14 24 34 42
N
S
J
K
A
K
B
K
A
K
B
K
B
K
A
Safety relay module SRB 301 MC
• Contactor control K
a
and K
b
at X1/X2
• Command device
J
Restart interlock restart at X1/X2
• OSSD outputs at S12 and S22
• QS-switch = nQS, deactivate cross-wire short detection
5.3 Connector configuration Receiver, Emitter & Cable
RECEIVER
SLC: Connector
male M12 / 8 pol.
Designation
Description
5
8
4
3
2
1
7
6
1 WH Release/restart
interlock
Acknowledgement restart
interlock
2 BN 24 VDC
power supply
3 GN OSSD 1
Safety output 1
4 YE OSSD 2
Safety output 2
5 GY Restart 2
Acknowledgement restart
interlock 2
6 PK DOUT
Operating mode
7 BU 0 VDC
power supply
8 RD Contactor
control
Input EDM
Cable: Connector
female M12 / 8 pole
5
8
4
3
2
1
7
6
EMITTER
SLC: Connector
male M12 / 4 pol.
Designation
Description
3
2
1
4
1 BN 24 VDC
power supply
2 WH COD 1
Coding 1
3 BU 0 VDC
power supply
4 BK COD 2
Coding 2
Cable: Connector
female M12 / 4 pole
3
2
1
4
Connect COD 1 / COD 2 only when beam coding A is
activated!
The colour codes are only valid for the cable types mentioned
below "optional accessories"
For UL evaluated products we do recommend to use the UL
style cable 20549
6. Set-up and maintenance
6.1 Check before start-up
Prior to start-up, the following items must be checked by the
responsible person
Wiring check prior to start-up
1 The voltage supply is a 24V direct current power supply (see
technical specifications), which meets the CE Directives, Low Voltage
Directives A power downtime of 20 ms must be bridged
2 Presence of a voltage supply with correct polarity at the AOPD
3 The connecting cable of the emitter is correctly connected to
the emitter and the connecting cable of the receiver is correctly
connected to the receiver
4 The double insulation between the AOPD output and an external
potential is assured
5. The outputs OSSD1 and OSSD2 are not connected to +24 VDC.
6. The connected switching elements (load) are not connected to +24
VDC
7 If two or more AOPDs are used within close range compared to each
other, an alternating arrangement must be observed Any mutual
interference of the systems must be prevented
Switch on the AOPD and check the operation in the following way
The AOPD performs a system test for approx 2 seconds after the
operating voltage has been switched on (indication through 7-segment
display) After that, the outputs are enabled if the protection field is not
interrupted The LED "OSSD ON" at the receiver is on
In case of incorrect functionality, please follow the instructions
listed in the chapter Fault diagnostic
6.2 Maintenance
Do not use the AOPD before the following inspection is
terminated An incorrect inspection can lead to serious and
mortal injuries
Conditions
For safety reasons, all inspection results must be archived The
operating principle of the AOPD and the machine must be known in
order to be able to conduct an inspection If the fitter, the planning
technician and the operator are different persons, please make sure
that the user has the necessary information at his disposal to be able to
conduct the maintenance
6.3 Regular check
A regular visual inspection and functional test, including the following
steps, is to be performed:
1 The component does not have any visible damages
2 The optics cover is not scratched or soiled
3 Hazardous machinery parts can only be accessed by passing
through the detection zone of the AOPD
4 The staff remains within the detection area, when works are
conducted on hazardous machinery parts
5 The safety distance of the application exceeds the mathematically
calculated one
Operate the machine and check whether the hazardous movement
stops under the hereafter mentioned circumstances.
1 Hazardous machine parts do not move when the protection field is
interrupted
2 The hazardous machine movement is immediately stopped, when
the protection field is interrupted with the test rod directly at the
emitter, directly at the receiver and in the middle between the emitter
and the receiver
3 There is no hazardous machine movement when the test rod is
within the protection field
4 The hazardous machine movement comes to standstill, when the
voltage supply of the AOPD is switched off
