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Operating Instructions Interlocking/Locking Modules
MGB2-I..-MLI-... / MGB2-L..-MLI-... (Modular)
6. Function
6.1.
Interlocking module MGB2-I... (or a correspondingly configured MGB2-L2)
Together with a handle module, the interlocking module makes it possible to interlock movable guards. The combination
also serves as a mechanical door stop at the same time.
The following switch-on conditions apply to safety bit LM.FI_SK (SK):
Ì
Guard closed
Ì
Bolt tongue inserted in the interlocking module
See also chapter 16.2. System indications during setup, teach-in and normal operation on page 34 and the operating
instructions for bus module MBM.
The interlocking module detects the position of the guard and the position of the bolt tongue. The bolt tongue in the handle
module is moved into and out of the interlocking module by actuating the door handle.
6.2.
Locking module MGB2-L...
Together with a handle module, the locking module makes it possible to lock movable guards. The combination also serves
as a mechanical door stop at the same time. There are various configurations for the control of the guard locking (see
section 6.3. Control of guard locking MGB2-L1 and MGB2-L2). The following descriptions in 6.2.1 and 6.2.2 describe the
function of the guard locking with the factory setting.
Important!
To operate the device as guard locking for personnel protection according to EN ISO 14119, the safety
bit LM.FI_UK (ÜK) must be evaluated.
The following switch-on conditions apply to the safety bit LM.FI_UK (ÜK):
Ì
Guard closed
Ì
Bolt tongue inserted in the locking module
Ì
Guard locking in locking position (guard locking monitoring)
See also chapter 16.2. System indications during setup, teach-in and normal operation on page 34 and the operating
instructions for bus module MBM.
The locking module detects the position of the guard and the position of the bolt tongue. The position of the guard locking
is also monitored. The bolt tongue in the handle module is moved into and out of the locking module by actuating the door
handle.
If the bolt tongue is fully inserted into the locking module, the guard locking can lock the bolt tongue in this position. De-
pending on the version, this locking is by spring force or solenoid force.
6.2.1. Guard locking for version MGB2-L1
(Guard locking actuated by spring force and released by power-ON)
Guard locking: Close guard; no voltage at the solenoid
(with factory setting: safety bit LM.FO_CL = 0.)
Releasing guard locking: Apply voltage to the solenoid (with factory setting: safety bit LM.FO_CL = 1.).
The spring-operated guard locking functions in accordance with the closed-circuit current principle. If the voltage is interrupted
at the solenoid, the guard locking remains active and the guard cannot be opened directly.
Important!
If the guard is open when the power supply is interrupted and is then closed, guard locking is activated.
This can lead to persons being locked in unintentionally.
As long as the guard locking is closed, the bolt tongue cannot be pulled out of the locking module and the guard is locked.
If voltage is applied to the guard locking solenoid, the guard locking is opened and bolt tongue is released. The guard can
be opened.
6.2.2. Guard locking for version MGB2-L2
(Guard locking actuated by power-ON and released by spring force)
10
(Translation of the original operating instructions) 2500234-01-08/18
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