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The bidirectional control terminals X210A.1/ X210A.2 can be used as a voltage
output or voltage input. By connecting an external power supply of DC 24 V
±10% to terminals X210A.1/X210A.2, the function of inputs and outputs as well
as the communication can be parameterized and maintained, even when mains
voltage is off.
Requirements to be met by external power supply
Input voltage range
Nominal input current
Peak inrush current
External fuse
Safety
4.4 Mains unit power connection
WARNING
Dangerous currents!
High currents can destroy the device!
 The AEC mains unit may only be connected to mains via a
precharging circuit.
The mains unit is integrated in a system typically comprising the following
components:
 AEC mains unit
 Sine filter
 Line choke
 Radio interference filter

Frequency inverter
 Asynchronous motor or synchronous motor
 (shielded) mains cable
 Shielded control cables
 Metal mounting plate
 In addition to the components listed above, a precharging circuit must be
provided
06/19
DC 24 V ±10%
Max. 1.0 A (typically 0.45 A)
Typically: < 20 A
Via standard fuse elements for nominal current,
characteristic: slow
Safe Extra Low Voltage circuit (SELV) per EN 61800-5-1
Quick Start Guide AEC
GB
73