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9.1.
Replacing modules
CAUTION
Risk of damage to equipment or malfunctions as a result of uncontrolled machine stop.
Ì
The communication within the system is interrupted by the replacement of a module and the safe
bits are reset. If a process is running, this situation can result in an uncontrolled stop and damage
to the installation or the product. Before replacement make sure the installation is in a suitable
operating status.
It is only possible to replace modules (e.g. locking module or extension module) in combination with a restart of the overall
system. On the disconnection of the module connection, the system enters into a fault state. The related module and all
downstream modules remain inactive until the overall system is restarted (fault state).
9.2.
Mounting submodules
CAUTION
Risk of damage to equipment or malfunctions as a result of incorrect connection or a configuration
change.
Ì
It is only possible to use submodules of connection types P, R and N. Check the compatibility before
installation. For the related connection type of a submodule, please refer to the sticker on the rear of
the submodule or the data sheet for the related submodule. This is included with each submodule.
Ì
Pay attention to the alignment of the submodule. See marking (a) in Figure 9: Mounting submodule.
Submodules can also be installed rotated by 180°. The marking (a) always indicates the first installa-
tion position. In the example, the emergency stop S1 is underneath.
Ì
Make sure the pins on the submodule slide straight into the guide. Tighten the cover screws to
0.5 Nm.
Ì
On using a submodule with labeling fields, pay attention to the correct alignment of the modules in re-
lation to the labeling fields. Incorrect assignments can cause serious malfunctions in your installation.
Ì
Make sure no foreign bodies, e.g. chips or wire enter the open slots on the submodule. These can
cause short circuits or contact problems.
Ì
Avoid touching the contacts on the underside of the submodule. Risk of ESD damage and contact
problems due to soiling.
Ì
Unused submodule slots must be fitted with a cover (order number 126372).
Figure 9:
Mounting submodule
2500234-01-08/18 (Translation of the original operating instructions)
Operating Instructions Interlocking/Locking Modules
MGB2-I..-MLI-... / MGB2-L..-MLI-... (Modular)
a
Pos. 1
Pos. 2
Pos. 3
23
EN
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