WAGO-I/O-SYSTEM 750 XTR
Assembly
27
750-xxxx/0040-xxxx Design Notes /XTR
Manual
Version 1.2.0
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5.5
Mounting Sequence
Fieldbus couplers/controllers and I/O modules of the WAGO-I/O-SYSTEM
750/753 are snapped directly on a carrier rail in accordance with the European
standard EN 50022 (DIN 35).
The reliable positioning and connection is made using a tongue and groove
system. Due to the automatic locking, the individual devices are securely seated
on the rail after installation.
Starting with the fieldbus coupler/controller, the I/O modules are mounted
adjacent to each other according to the project design. Errors in the design of the
node in terms of the potential groups (connection via the power contacts) are
recognized, as the I/O modules with power contacts (blade contacts) cannot be
linked to I/O modules with fewer power contacts.
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Risk of injury due to sharp-edged blade contacts!
The blade contacts are sharp-edged. Handle the I/O module carefully to prevent
injury.
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Insert I/O modules only from the proper direction!
All I/O modules feature grooves for power jumper contacts on the right side. For
some I/O modules, the grooves are closed on the top. Therefore, I/O modules
featuring a power jumper contact on the left side cannot be snapped from the top.
This mechanical coding helps to avoid configuration errors, which may destroy
the I/O modules. Therefore, insert I/O modules only from the right and from the
top.
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XTR sections begin with XTR supply modules exclusively!
The power jumper contacts of XTR products use a contact material different than
other WAGO-I/O-SYSTEM 750 products.
Connecting power jumper contacts of XTR products to power jumper contacts of
non-XTR products leads to irreversible deterioration in contact characteristics in
the long run.
Therefore, start sections of XTR I/O modules with an XTR supply module.
Only connect XTR I/O modules after XTR supply modules, never otherwise.
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