EUCHNER MGB-L2-xxxAPx-xxx - Manual (Page 5)

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Operating Instructions MGB-L1...AR.-... / MGB-L2...AR.-... and MGB-L1...AP.-... / MGB-L2...AP.-...
The safety system MGB can only be combined with the intended modules in the
MGB system family.
On the modification of system components, EUCHNER provides no warranty for
function.
Locking modules with the configuration MGB-AR can be integrated into an AR
switch chain.
Connection of several devices in an AR switch chain is permitted only using devices
intended for series connection in an AR switch chain. Check the operating instruc-
tions for the related device. For detailed information on operation in an AR switch
chain, please see the system manual for the related AR device.
Important:
Ì The user is responsible for the integration of the device in a safe overall
system. For this purpose, the overall system must be validated, e.g. in ac-
cordance with EN ISO 13849-2.
Ì Correct use requires observing the permissible operating parameters (see
section 12 Technical data, page 31).
Ì If a product data sheet is included with the product, the information on the
data sheet applies in case of discrepancies with the operating instructions.
Ì In the estimation of the PL for the overall system, a maximum value of 100
years can be assumed for the MTTF
d
according to the limit value in EN ISO
13849-1:2008, Section 4.5.2. This corresponds to a minimum value for the
PFH
d
of 2.47x10 -8 /h.
Ì When up to 10 devices are connected in series, these limit values can be
assumed for the entire switch chain as a subsystem. As a subsystem, this
switch chain achieves PL e.
Main differences between MGB-AP and MGB-AR
System family Symbol Use
MGB-AP
AP
If series connection is not necessary, the number of terminals can be
reduced using this system family.
MGB-AR
AR
Linking of several safety guards on one shutdown path. As a consequence
several safety doors can be very simply polled using one evaluation unit or
two control system inputs.
3 Exclusion of liability and warranty
In case of failure to comply with the conditions for correct use stated above, or
if the safety instructions are not followed, or if any servicing is not performed as
required, liability will be excluded and the warranty void.
AR
AR