
17
2114575-06-02/21 (translation of the original operating instructions)
Operating Instructions Safety Systems
MGB-L..B-PN.-… (PROFINET) and With Data Structure Type A
EN
8. Manual release
Some situations require the guard locking to be released manually (e.g. malfunctions or an emergency). A function test
should be performed after release.
More information on this topic can be found in the standard EN ISO 14119:2013, section 5.7.5.1. The device can feature
the following release functions:
8.1.
Auxiliary release
In the event of servicing, the guard locking can be released with the auxiliary release irrespective of the state of the solenoid
(see
).
Important!
Ì
The system enters into a latching fault when the auxiliary release is actuated. See
System status
table
,
signal sequence incorrect
status (DIA red, Lock flashes 1 time).
Ì
The system might not enter into a latching fault if the auxiliary release is actuated very slowly.
Ì
The auxiliary release is not a safety function.
Ì
The machine manufacturer must select and use a suitable release (escape release, emergency
release, etc.) for a specific application. A hazard assessment is required for this purpose. It may
be necessary to take specifications from a product standard into account.
Ì
The correct function must be checked at regular intervals.
Ì
Loss of the release function due to mounting errors or damage during mounting. Check the re-
lease function every time after mounting.
Ì
Observe the notes on any enclosed data sheets.
The locking screw must be screwed back in and sealed (with sealing lacquer, for example) after mounting and after every
use of the auxiliary release. Tightening torque 0.5 Nm.
1. Undo locking screw.
2. Lift locking arm using a screwdriver and actuate door handle.
Figure 6:
Auxiliary release