System overview
4.3 Components
Automation system
System Manual, 01/2023, A5E03461182-AK
51
The individual modules are connected to one another with the U con-
nector. The U connector provides the mechanical and electrical con-
nection between the modules.
The U connector is included in the scope of delivery of all modules
(exceptions: CPU, interface module) and can be ordered as Accesso-
ries/spare parts (Page 363).
The front connectors are used to wire the I/O modules.
The front connectors for technology and analog modules must be
supplemented with a shielding bracket, power supply element, and
shielding clamp. The components are included in the scope of delivery
of the technology modules, analog modules and compact CPUs (for
onboard I/O) and can be ordered as Accessories/spare parts (Page 363)
accessories.
There are front connectors with screw terminals and push-in terminals
for 35 mm modules, and with push-in terminals for 25 mm modules.
The front connectors for 25 mm modules are included in the scope of
delivery of the I/O modules and compact CPUs (for onboard I/O).
Four potential bridges and one cable tie are included in the scope of
delivery of the front connectors for 35 mm modules. The front con-
nectors for 25 mm modules have no potential bridges due to the com-
Potential bridges for
front connector
You jumper two terminals with potential bridges.
The potential bridges are included in the scope of delivery of the front
connector and can be ordered as Accessories/spare parts (Page 363).
The front connectors for 25 mm modules have no potential bridges.
Therefore, you should also observe the information in the product
manual for the respective digital or analog module.
The shield bracket is an insertable bracket for modules with EMC-
critical signals (e.g. analog modules, technology modules), and (to-
gether with the shield clamp) permits the low impedance application
of shielding with minimal installation times.
The shield bracket is included in the scope of delivery of the analog
modules, technology modules and compact CPUs (for onboard I/O) and
can be ordered as Accessories/spare parts (Page 363).
Shield clamp The shield clamps are used to attach cable shielding to the shielding
bracket.
The shield clamp is included in the scope of delivery of the analog
modules, technology modules and compact CPUs (for onboard I/O) and
can be ordered as Accessories/spare parts (Page 363).
The power supply element is inserted in the front cable connector, and
serves to supply power to modules with EMC-critical signals (analog
modules, technology modules).
The power supply element (connection technology: screw terminal) is
included in the scope of delivery of the analog and technology mod-
ules and can be ordered as Accessories/spare parts (Page 363).
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