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ASI QUINT 100-240/2.4 EFD
Primary-Switched Power Supply for
Supplying AS-Interface Systems
Data Sheet
Short Description
01/2005
One Cable – Two Functions
AS-Interface (AS-i) enables maximum control
potential with its simplified installation technique.
Information and power supply are transmitted at the
same time via a two-wire cable to minimize connection
points.
AS-i power supply units use an integrated filter to
ensure that the modulated data flow is not affected.
In addition to this, the short-circuit and idling-proof
voltage output provides a current reserve of
approximately 60%. This means that even loads with
high inrush currents can be started safely.
Safety Through Automatic Ground Fault Detection
If two ground faults occur in an AS-i system, this can
cause an unauthorized machine startup or mean that
the machine can no longer be stopped.
To prevent this from happening, AS-i power supply
units from Phoenix Contact indicate the first ground
fault as it occurs. The message is indicated by the
LEDs on the device and reported via an output.
In the default configuration, the signal of the message
output can be used to stop the system via the control
program or the PLC.
There is also the option of configuring the AS-i power
supply unit so that the AS-i power is switched off
automatically when a ground fault is detected.
This prevents potential danger to operating personnel
and machines/systems before it happens.
102045_01_en
Global Use
The wide range input, which can be used to operate
the AS-i power supply units from Phoenix Contact with
all popular single-phase AC and DC networks,
provides the starting point for global use.
Integrated Harmonic Filter
EN 61000-3-2 came into force on January 1, 2001.
As from this date, all primary-switched power supplies
that are directly connected to the public low-voltage
network must be equipped with a harmonic filter to
suppress the supply of high-frequency reverse
currents in the power supply company network.
All AS-i power supply units from Phoenix Contact are
equipped with an active PFC filter ( P ower F actor
C orrection). In addition to the filter function, this
feature provides mains buffering of more than 20 ms
over the entire input voltage range.
Wide Range of Applications
The ASI QUINT 100-240/2.4 EFD power supply unit
meets the noise immunity and noise emission
requirements of EN 55022 Class B. The device can
therefore be used universally in harsh industrial
environments as well as in commercial and domestic
environments, which are susceptible to interference.
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