Control Of Guard Locking Mgb2-L1 And Mgb2-L2 - EUCHNER MGB2-Ixx-MLI series Operating Instructions Manual

Important!
Use as guard locking for personnel protection is possible only in special cases, after strict assessment
of the accident risk (see EN ISO 14119:2013, section 5.7.1)!
Guard locking: Apply voltage to the solenoid (with factory setting: safety bit LM.FO_CL = 0.).
Releasing guard locking: Disconnect voltage from the solenoid (with factory setting: safety bit LM.FO_CL = 1.).
The magnetically actuated guard locking operates in accordance with the open-circuit current principle. If the voltage is
interrupted at the solenoid, the guard locking is released and the guard can be opened directly!
The guard can be opened as long as no voltage is applied to the guard locking solenoid.
If voltage is present at the guard locking solenoid, the guard locking is held in locked position and the guard is locked.
6.3.

Control of guard locking MGB2-L1 and MGB2-L2

By changing the parameters in the configuration tool for your control system, you can set which bit combinations are to
be used to control the guard locking. You will find an overview of the parameters in the operating instructions for the bus
module MBM.
On the use of the guard locking for personnel protection, as standard the guard locking must be controlled from the safe
control area.
On use as guard locking for process protection, the guard locking can also be controlled using a non-safe bit.
The following table shows the possible configurations.
Type of lock-
ing module
Configuration 1
(factory setting)
LM.FO_CL
MGB2-L1
LM.FO_CL
MGB2-L2
-
-
2500234-01-08/18 (Translation of the original operating instructions)
Use of the control bit for guard locking
Configuration 2 Configuration 3
LM.FO_CL + LM.O_CL
LM.FO_CL + LM.O_CL
LM.O_CL
-
-
Operating Instructions Interlocking/Locking Modules
MGB2-I..-MLI-... / MGB2-L..-MLI-... (Modular)
Configuration 4
- -
- -
-
- Control is not configured
in the parameters
Application
Guard locking for personnel pro-
tection.
Guard locking for personnel pro-
tection. Important: pay attention to
section 6.2.2.
Interlocking with guard locking for
process protection. The device is
configured like an MGB2-I1.
Interlocking. Only position mon-
itoring of the guard. No locking
function.
11
EN