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Important!
Always read all documents to gain a complete overview of safe installation, setup and use of the
device. The documents can be downloaded from www.euchner.com. For this purpose enter the doc.
no. in the search box.
2. Correct use
The modular devices described here can only be operated with a suitable bus module MBM-...-MLI-....
For the MGB2-I... the following applies:
Along with the bus module MBM, the system consists of at least one interlocking module MGB2-I... and one handle module
MGB2-H...
The safety system MGB2-I... is an interlocking device without guard locking (type 4). Devices with unicode evaluation possess
a high coding level, devices with multicode evaluation possess a low coding level.
In combination with a movable guard and the machine control, this safety component prevents dangerous machine functions
from occurring while the guard is open. A stop command is triggered if the guard is opened during the dangerous machine
function.
This means:
Ì
Starting commands that cause a dangerous machine function must become active only when the guard is closed.
Ì
Opening the guard triggers a stop command.
Ì
Closing a guard must not cause automatic starting of a dangerous machine function. A separate start command must
be issued. For exceptions, refer to EN ISO 12100 or relevant C-standards.
For the MGB2-L... the following applies:
Along with the bus module MBM, the system consists of at least one locking module MGB2-L... and one handle module
MGB2-H...
The safety system MGB2-L... is an interlocking device with guard locking (type 4). Devices with unicode evaluation possess
a high coding level, devices with multicode evaluation possess a low coding level.
In combination with a movable guard and the machine control, this safety component prevents the guard from being opened
while a dangerous machine function is being performed.
This means:
Ì
The unlocking of the guard locking by the control system triggers a stop command.
Ì
Starting commands that cause a dangerous machine function must become active only when the guard is closed and
locked.
Ì
The guard locking device must not be unlocked until the dangerous machine function has ended.
Ì
Closing and locking a guard must not cause automatic starting of a dangerous machine function. A separate start com-
mand must be issued. For exceptions, refer to EN ISO 12100 or relevant C-standards.
For MGB2-I.. /MGB2-L..
Before the device is used, a risk assessment must be performed on the machine, e.g. in accordance with the following
standards:
Ì
EN ISO 13849-1, Safety of machinery – Safety-related parts of control systems – Part 1: General principles for design
Ì
EN ISO 12100, Safety of machinery – General principles for design – Risk assessment and risk reduction
Ì
EN IEC 62061, Safety of machinery – Functional safety of safety-related electrical, electronic and programmable elec-
tronic control systems.
2500234-01-08/18 (Translation of the original operating instructions)
Operating Instructions Interlocking/Locking Modules
MGB2-I..-MLI-... / MGB2-L..-MLI-... (Modular)
EN
5
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