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UM EN FLX ASI SYS PRO INST
4.3 Description for AS-i Control Cabinet Modules
Versions
An AS-Interface system contains digital AS-i control cabinet modules with the following
functions:
- DI Digital input modules acquire digital control signals from the process level. These signals
are transferred to the higher-level automation equipment via the bus. The signal status is
indicated on the module using LEDs. The sensors are connected via plug-in COMBICON
connections. The sensors are either supplied from the sensor voltage U LS (26.5 V to 31.6 V
from AS-Interface) or from an external power supply unit.
- DIO Digital I/O modules have digital inputs and digital outputs. They acquire digital control
signals from the process level. These signals are transferred to the higher-level automation
equipment via the bus. The sensors are connected via plug-in COMBICON connections.
The sensors are supplied from the sensor voltage U S .
Digital I/O modules transfer the digital control signals from the automation equipment to the
process level at the actuators. For the specified load currents for the outputs of the various
modules, please refer to the data sheet. The actuators are connected via plug-in
COMBICON connections. The outputs are protected against short circuits and overloads.
The actuators are supplied from the auxiliary voltage AUX. The signal status is indicated on
the device using LEDs.
Connection
Degree of protection
The bus, I/O devices, and supply are connected via plug-in COMBICON connections.
The modules have IP20 protection.
4.3.1 Product Versions for AS-i Control Cabinet Modules
The following control cabinet modules are available from Phoenix Contact for the AS-i
system:
Description Order Designation Order No.
AS-Interface input module with four digital inputs ASI IO ME DI 4 AB 2741671
(AB slave)
AS-Interface I/O module with four digital inputs ASI IO ME DIO 4/3 AB 2741668
and three digital outputs (AB slave)
AS-Interface I/O module with four digital inputs
and four digital outputs (AB slave)
ASI IO ME DIO 4/4 AB 2773542
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