6 Electrical installation
6.1 Safety
Important information
DANGER
H
azard due to electrical voltage
Hazard due to unexpected starting of the machine
b
Make sure that the machine is (and remains) disconnected from the voltage
supply during the electrical installation.
b
Make sure that the dangerous state of the machine is (and remains) switched off
during electrical installation.
b
Make sure that the outputs of the safety light curtain have no effect on the
machine during the electrical installation work.
b
Use a suitable voltage supply.
DANGER
H
azard due to lack of effectiveness of the protective device
The dangerous state may not be stopped in the event of non-compliance.
b
Always connect the two OSSDs separately. The two OSSDs must not be connected
to each other.
b
Connect the OSSDs such that the machine controller processes both signals
separately.
DANGER
H
azard due to lack of effectiveness of the protective device
The dangerous state may not be stopped in the event of non-compliance.
b
Prevent the formation of a potential difference between the load and the protec‐
tive device.
DANGER
H
azard due to lack of effectiveness of the protective device
Malfunctions can occur if unused inputs are wired incorrectly.
b
Unused inputs must either not be connected or be permanently switched to LOW.
DANGER
H
azard due to lack of effectiveness of the protective device
The protective device can become disabled if the system connection cable is connected
incorrectly.
b
Make sure (e.g. by routing the cables appropriately) that the system connection
cable can only be connected to the system connection of the protective device.
Prerequisites
•
T
he safety light curtain has been safely integrated into the control system and the
electrical system of the machine.
•
Mounting has been correctly executed.
6 ELECTRICAL INSTALLATION
86
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
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