Schneider Electric UI-8/AO-4, UI-8/AO-4-H Data Sheet
[SmartX Controller]
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8 channel universal input and 4 channel analog output
SmartStruxure solution
1
Introduction
The UI-8/AO-4 and UI-8/AO-4-H are universal
input, 8 channel and analog output, 4 channel I/O
modules.
The universal inputs are ideal for any mix of
temperature, pressure, flow, status points, and
similar point types in a building control system.
The universal inputs can be configured to read
several different types of inputs:
• Digital
• Counter
• Supervised
• Voltage
• Current
• Temperature
• Resistive
Schneider Electric | Building Business
Trademarks and registered trademarks are the property of their respective owners.
03-16007-02-en June 2016
As counter inputs they are commonly used in
energy metering applications. As supervised inputs
they are used for security applications where it is
critical to know whether or not a wire has been cut
or shorted. These events provide a separate
indication of alarms and trouble conditions to the
system.
The analog outputs are capable of supporting
analog voltage or current point types. Therefore,
analog outputs support a wide range of devices,
such as actuators.
Function
Modular and scalable system
The modules are part of a modular system that
delivers power and communications on a common
bus. Connecting modules is a one-step process:
just slide the modules together using the built-in
connectors.
© 2016 Schneider Electric. All rights reserved.
[SmartX Controller]
SmartStruxure solution
2
Patented two-piece design
Each module can be separated from its terminal
base to allow the site to be wired prior to the
installation of the electronics. The patented locking
mechanism serves as handles for removing the
module from its base. All critical components have
a protective cover that permits convection cooling
to occur.
Figure: Two-piece design
Hot-connect and Hot-swap
Because critical applications require 24-hour
operation, Schneider Electric designed the I/O
modules for hot-connection of terminal bases and
hot-swapping of the modules to their bases. This
design ensures continuous power and
communication during service operations.
Auto-addressing
The auto-addressing feature eliminates the need for
setting DIP switches or pressing commission
buttons. Each module automatically knows its order
in the chain and assigns itself accordingly –
significantly reducing engineering and maintenance
time.
Efficient terminal management
The I/O module terminals are clearly labeled and
protected by transparent covers. The input and
output terminals are at the top and bottom of each
module and are accessible for maintenance without
removing the module. The StruxureWare Building
Operation WorkStation software can generate
custom as-built labels for each module. Preperforated letter and A4 size label sheets are
available as an accessory.
Accommodates multiple row panel installations
The SmartStruxure devices use built-in connectors
for single row connectivity, side by side. If a panel
size requires multiple rows, extension cords are
available.
LED status indicators
The I/O module has a status indicator that denotes
the health and status of the module.
Each input channel has a dedicated two color
status LED. The LED can be configured to display
either red or green for each input state.
Hand/Off/Auto switches
The front panel of the UI-8/AO-4-H includes
Hand/Off/Auto (HOA) switches to provide override
control of the analog outputs.
Each output also has a potentiometer to modulate
the output signal when the switch is in the Hand
position.
The position of the HOA switch is readable through
user interfaces, such as the StruxureWare Building
Operation WorkStation software, enabling more
precise monitoring and control.
Protection
Protection components on the inputs and the
outputs protect against high-voltage short-duration
transient events.
Simple DIN-rail installation
Fasteners easily snap into a locked position for
The current inputs are protected against over
current.
panel installation. The fastener has a quick-release
feature for easy DIN-rail removal.
The analog outputs have current limits to protect
against permanent short-circuit to ground.
Specifications
Input channels ...........................................................................................................................................8
Output channels ........................................................................................................................................4
Schneider Electric | Building Business
Trademarks and registered trademarks are the property of their respective owners.
03-16007-02-en
© 2016 Schneider Electric. All rights reserved.
June 2016
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