Figure 21: Aligning the safety light curtain in the explosion-proof enclosure
1
Measure the distance from the end of the cover to the first rib. Position the safety light
c
urtain so that the rib is between two optical lenses.
2
Detailed view
5. Rotate the safety light curtain in the FlexFix brackets so that the front screen of
t
he safety light curtain faces the opening in the explosion-proof enclosure. The
infra-red rays must be able to pass through the window in the cover without
obstruction.
6. Tighten the screws used to secure the safety light curtain in the FlexFix brackets
with a torque of 2.5 to 3 Nm.
7. Guide the connecting cable through the 3/4" NPT opening.
8. If a cable gland is required, follow the instructions to mount the gland, see "Mount
the optional cable gland", page 34.
9. Fit the cover to the explosion-proof enclosure using the supplied fixing screws and
washers. Tighten the fixing screws with a torque of 11.5 to 14.5 Nm.
NOTE
T
he washers must be used to obtain enclosure rating IP 66.
5.4 Mount the optional cable gland
Overview
D
epending on national regulations and requirements, a cable gland may have to be
installed. The cable gland is available as an accessory.
Important information
DANGER
Ris
k of ignition or explosion
b
Check the 3/4" NPT opening on the thread for damage.
b
Do not use the device if the thread for the 3/4" NPT opening is damaged.
5 MOUNTING
34
O P E R A T I N G I N S T R U C T I O N S | deTec4 Core Ex 8017023/14Q6/2020-04-27 | SICK
Subject to change without notice
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