6
Electrical installation
6.1
Notes on cULus
For use according to the requirements of UL 60947-5-2, the following conditions must
also be met:
•
The voltage supply must conform to Class 2 according to UL 508.
•
The required fuse protection for each device is 2 A. In a safe series connection, a
suitable device fuse protection must be calculated.
6.2
Device connection
Prerequisites
•
Mounting is completed.
•
Electrical installation is carried out according to the project planning.
•
Dangerous condition of the machine is and remains off during the electrical instal‐
lation.
•
Outputs of the device have no effect on the machine during electrical installation.
Device connection (M12, 8-pin)
7
6
8
5
4
2
3
1
Figure 14: Device connection (male connector, M12, 8-pin, A-coded)
Table 4: Device connection pin assignment (male connector, M12, 8-pin, A-coded)
PIN
Wire color
1)
Designation
Description
1
White
Out AUX
Application diagnostic output
(not safe)
2
Brown
+24 V DC
Voltage supply 24 V DC
3
Green
LOCK
Locking device input
4
Yellow
In 2
Enable input for OSSD 2
2)
5
Gray
OSSD 1
OSSD 1 output
6
Pink
OSSD 2
OSSD 2 output
7
Blue
0 V
Voltage supply 0 V DC
8
Red
In 1
Enable input for OSSD1
2)
1)
Applies to the extension cables recommended as accessories.
2)
When used as an individual safety locking device or as the first safety locking device in a safe series
connection, apply 24 V DC.
6.3
Connection of a safe series connection
Overview
The safe series connection can be implemented using special T-connectors and an end
connector. The safe evaluation unit switches off the machine in case of the following
events:
•
A safety locking function is unlocked (for variants with locking monitoring).
•
A movable physical guard is opened.
•
Error on a safety locking device
ELECTRICAL INSTALLATION
6
8020562/2022-07-07 | SICK
O P E R A T I N G I N S T R U C T I O N S | flexLock
25
Subject to change without notice
