SICK C4000 Advanced Ex

8. Align the safety light curtain in the explosion-proof enclosure so that it meets the
f
ollowing criteria:
°
Each rib in the window on the cover must cover no more than one optical
lens.
°
Depending on the protective field height, the first rib on the side of the
connection must cover the following optical lenses:
Protective field height Optical lenses covered
600 mm Sixth optical lens
900 mm Second optical lens
1,200 mm Second optical lens
9. Tighten the screws used to secure the mounting bracket to the explosion-proof
enc
losure with a torque of 12 to 13Nm.
10. Tighten the screws used to secure the mounting bracket to the safety light curtain
with a torque of 5 to 5.5Nm.
11. Tighten the screws used to secure the safety light curtain in the swivel mount
brackets with a torque of 2.5 to 3Nm.
12. Guide the connecting cable through the 3/4" NPT opening. Make sure that the
thread for the 3/4" NPT opening is not damaged.
13. If a cable gland is required, follow the instructions to mount the gland, see "Mount‐
ing the optional cable gland", page 12.
14. 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.
3.3.2 Mounting the optional cable gland
Depending on national regulations and requirements, a cable gland may have to be
ins
talled. The cable gland is available as an accessory.
1. Guide the cable through the cable gland.
2. Screw the cable gland into the 3/4" NPT opening on the explosion-proof enclosure.
3. Pull the collar on the cable gland so that the cable is securely attached.
DANGER
Ris
k ofignition or explosion
►
Check the 3/4" NPT opening on the thread for damage.
►
Do not use the device if the thread for the 3/4" NPT opening is damaged.
3.3.3 Mounting the handles onto the cover of the explosion-proof enclosure
1. Use the supplied M6 screws to secure the two handles onto the cover of the
e
xplosion-proof enclosure.
2. Tighten the screws with a torque of 4.5 to 5 Nm.
3 MOUN
TING
12
O P E R A T I N G I N S T R U C T I O N S | C4000 Advanced Ex 8017027/1DVD/2023-04-28 | SICK
Subject to change without notice