User's Manual

18 Rockwell Automation Publication 440G-UM004C-EN-P - August 2020
Chapter 3 Installation
OSSD Mode
1. Confirm that the guard door is open.
2. Connect the 24V DC power to pin 1 and ground (0V) to pin 3. The switch
conducts a self-testing routine at the end of which the device status
indicator is steady red (if lock signal is set to UNLOCK) or flashing
amber (if lock signal is set to LOCK).
3. Test to confirm that the machine cannot start.
4. Confirm the lock signal at pin 5 is set to LOCK (0V for PTR and 24V for
PTL types).
5. Test again to confirm that the machine cannot start.
6. Close the guard door and then confirm that the guard is mechanically
locked and the device status indicator is steady green.
7. Test to confirm that the machine can start.
8. Change the lock signal at pin 5 to UNLOCK (24V for PTR and 0V for PTL
types).
9. Confirm the machine stops, the guard door is mechanically unlocked,
and the machine cannot restart.
GuardLink Mode
1. To begin a functional test of the 440G-MZ safety switch when
connected in a GuardLink system, all other devices on the link must be
in the operational state.
2. Confirm that the guard door is open.
3. Test to confirm that the machine cannot start.
4. Send a lock command to the 440G-MZ safety switch over the link.
5. Test again to confirm that the machine cannot start.
6. Close the guard door.
7. Send a lock command to the switch over the link.
8. Confirm that the switch is mechanically locked and the Device status
indicator is steady green.
9. Test to confirm that the machine can start.
10. Send an unlock command to this 440G-MZ safety switch only over the
link.
11. Confirm that the machine stops, the guard door is mechanically
unlocked, and the machine cannot restart.
A flashing green status indicator on the device indicates that another device on the link
is tripped. To proceed, verify that all other devices on the link are in operational state.