User's Manual

Rockwell Automation Publication 440G-UM004C-EN-P - August 2020 17
Chapter 3 Installation
Auxiliary Release
Operation of the auxiliary release causes a fault condition.
To reset the switch, cycle the power or issue a RESET command over the link in
a GuardLink® safety system.
Figure 5 - Auxiliary Release Operation [mm (in.)]
Padlock Accessory
The padlock accessory (Figure 6) can be inserted through the actuator opening
of the 440G-MZ safety switch to help prevent the locking of the guard door and
restarting of the machine while an operator is inside the safeguarded area. The
padlock accessory can accommodate up to three nominal 6.35 mm (0.25 in.)
locks.
Figure 6 - Padlock Accessory (Cat. No. 440G-MZAL)
Functional Testing
A manual functional test must be made:
•After installation
• After any maintenance or change of component
• If the guard is used infrequently
- Less than once a month for SIL 3, cat. 3 or cat. 4, PLe
- Less than once a year for SIL 2, cat. 3, PLd
5 (0.2)
Top View
Up to three nominal
6.35 mm (0.25 in.) locks
ATTENTION: During the functional test, verify that there are no persons in the
danger area and that the machine startup does not cause a hazard.