SICK G20 Notice D'instructions page 32

OPERATING INSTRUCTIONS
5.3 Connection notes
en
32 O P E R A T I N G I N S T R U C T I O N S | GLD20
G20 products with AC voltage supply and with:
• cable
• cable with connector
UL:
UL Environmental Rating: Enclosure type 1
For use in NFPA 79 Applications only
G20 products with DC and AC/DC voltage sup‐
ply and with:
• terminal chamber: Gxx20x-QK and Gxx20x-
QL
UL:
For use in NFPA 79 Applications only
The sensors must be connected in a voltage-free state. The following information shall
be observed, depending on the connection type:
– Male connector connection: Pin assignment
– Cable: Wire color
– Terminal connection: Pin assignment and the following points
Terminal connection:
1. Untighten the M3 screw on the back cover and remove the back cover.
2. Lead voltage-free supply cable through the 3/8" MPT (Male Pipe Thread) fitting,
spacer, rubber seal (as illustrated below) and the back cover opening in the right
position horizontally or vertically.
3. Tighten the 3/8" MPT (Male Pipe Thread) according to
4. Connect and secure each of the wires to the terminal block with a torque of 0.4 to
0.5 Nm (see table 5, page 34
5. Put the back cover back. Ensure the back cover is free of obstruction and securely
tightened.
6. Tighten the M3 screw with a torque of 0.6 to 0.8 Nm.
7. Seal the other opening with the plastic nut (with rubber) provided in the package.
C1, C2, C3
ØD
table 3
and table 9).
and table 4.
1 2
3
8026844.1K1V/2024-02-08 | SICK
Subject to change without notice