17
2500233-01-05/19 (Translation of the original operating instructions)
Operating Instructions Safety Systems
MGB2-L1…-BR.-… / MGB2-L2…-BR.-… and MGB2-L1…-BP.-… / MGB2-L2…-BP.-…
EN
8.2. Emergency unlocking (can be retrofitted)
Permits opening of a locked guard from outside the danger zone without tools. For mounting, see the mounting supplement.
Important!
Ì
It must be possible to operate the emergency unlocking manually from outside the protected area
without tools.
Ì
The emergency unlocking must possess a marking indicating that it may be used only in an emer-
gency.
Ì
The actuator must not be under tensile stress during manual release.
Ì
The unlocking function meets all other requirements from EN ISO 14119.
Ì
The emergency unlocking meets the requirements of Category B according to
EN ISO 13849-1:2015.
Ì
Loss of the release function due to mounting errors or damage during mounting.
Ì
Check the release function every time after mounting.
Ì
Please observe the notes on any enclosed data sheets.
8.2.1. Actuating emergency unlocking
Ì
Turn emergency unlocking clockwise until it clicks into place.
¨
Guard locking is released.
To reset, press the snap-in bolt inward using a small screwdriver or similar tool and turn the emergency unlocking back.
The safety outputs are switched off when the emergency unlocking is actuated. Use the safety outputs
to generate
a stop command.
The monitoring output OL is switched off; OD indicates the current state of the guard. Open the guard and close it again
after resetting the emergency unlocking. The device will then operate normally again.
8.3. Lockout mechanism
If the lockout mechanism is pivoted out, the bolt tongue cannot be extended. The lockout mechanism can be secured with
padlocks (see Figure 7). This is intended to prevent people from being locked in unintentionally. The lockout mechanism
does not fulfill any safety function.
¨
To pivot out, press the grooved part (possible only with bolt tongue retracted).
2
1
Key
:
1
Hinged lockout mechanism
Padlock
∅
min. 2 mm,
∅
max. 10 mm
2
Automatically extending lockout mechanism (optional)
Padlock
∅
min. 6 mm,
∅
max. 10 mm
Notice:
You can fit a maximum of 3 locks
∅
8 mm per lockout mechanism.
Figure 7:
Lockout mechanism secured with padlock