SICK C4000 Select Ex - 3 Mounting; Safety

3 Mounting
This chapter contains instructions on how to mount the safety light curtain.
An optional alignment bracket is also available with extended adjustment possibilities,
see "Ordering information, accessories", page 31.
NOTE
Mount the safety light curtain in the following order.
3.1 Safety
In addition to the information in the underlying operating instructions, please observe
the following points when mounting the safety light curtain.
DANGER
Risk of ignition or explosion
b
Disconnect the power supply before starting to mount the explosion-proof enclo‐
sure to avoid igniting hazardous atmospheres.
b
Do not reconnect the power supply until you have completed the mounting proc‐
ess.
DANGER
Risk of ignition
Failure to observe this information could result in a risk of ignition.
b
If the safety light curtain is used in an environment classified as tb IIIC, tc IIIB or
tc IIIC the cover must not be removed, not even temporarily (e.g. for maintenance
purposes).
DANGER
Risk of ignition or explosion
b
If you have to remove the cover when working on the safety light curtain, make
sure that the joints and o-ring are clean and undamaged before refitting the cover.
DANGER
Risk of ignition or explosion
b
The safety light curtain must be mounted so that there is a gap of more than
30 mm between all other objects and the flange joints between the housing and
the cover.
DANGER
Dangerous state of the machine
b
Make sure that the dangerous state of the machine is (and remains) switched off.
b
Make sure that the outputs of the safety light curtain have no effect on the ma‐
chine.
3 MOUNTING
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O P E R A T I N G I N S T R U C T I O N S | C4000 Select Ex 8017025/YIZ2/2015-02-25 | SICK
Subject to change without notice