IFM AC1254 - AS-Interface power supply PSU-1AC/ASi-4A

Reliably power supply for modules, sensors and actuators.
High noise immunity and sufficient power reserves for the compensation of current peaks.
Safe decoupling of interferences from the primary supply.
Particularly space-saving design.
Low heating of the control cabinet due to high efficiency

Frequency AC [Hz]	47...64
Operating voltage tolerance [%]	10
Operating voltage [V]	automatic range selection
Nominal voltage AC [V]	110 / 230
Input voltage range AC [V]	100...120 / 200...240
Protection class	I
Overvoltage protection	yes;(< 36 V)
Max. power-on delay time [ms]	900
Output voltage AS-i [V]	30.5
Output power (permanent) [W]	122
Output power (peak) [W]	134
Note on output power (peak) [W]	briefly to load bus capacities after power on
Power factor (nominal voltage 120 V AC / 60 Hz)	0.56
Power factor (nominal voltage 230 V AC / 50 Hz)	0.47
Power reserve [%]	10
Number of output circuits	1
Output current AS-i [A]	4
Max. residual ripple [mV]	50
Switch-on peak current (nominal voltage 120 V AC / 60 Hz) [A]	3
Switch-on peak current (nominal voltage 230 V AC / 50 Hz) [A]	3
Inrush current limitation	yes
Efficiency (nominal voltage 120 V AC / 60 Hz) [%]	88
Efficiency (nominal voltage 230 V AC / 50 Hz) [%]	89.3
External input protection	≤ B-10 A / ≤ C-6 A
Derating [W/K]	3 (60...70 °C)
Mains buffering time (nominal voltage 120 V AC / 60 Hz) [ms]	70
Mains buffering time (nominal voltage 230 V AC / 50 Hz) [ms]	70
Input current (nominal voltage 120 V AC / 60 Hz) [A]	2.05
Input current (nominal voltage 230 V AC / 50 Hz) [A]	1.23
Power loss (nominal voltage 120 V AC / 60 Hz) [W]	16.6
Power loss (nominal voltage 230 V AC / 50 Hz) [W]	14.6
Integrated data decoupling	yes
Back feeding protection [V]	35

Outputs

Short-circuit proof	yes
Overload protection	yes
Overload performance	output current constant
Parallel connection of outputs possible	no
Series connection of outputs possible	no

Operating conditions

Ambient temperature [°C]	-25...70
Note on ambient temperature	observe the free space for convection (see operating instructions)
Storage temperature [°C]	-40...85
Max. relative air humidity [%]	95;(IEC 60068-2-30)
Protection	IP 20
Pollution degree	2;(IEC 62103: conductive soiling not permitted)

Tests / approvals

EMC	EN 61000-6-1 EN 61000-6-2 EN 61000-6-4
Vibration resistance	IEC 60068-2-6 ± 1,6 mm 2...17,8 Hz / 2 g 17,8...500 Hz
Shock resistance	IEC 60068-2-27 30 g 6 ms / 20 g 11 ms
MTTF [years]	90

AS-i classification

AS-i certificate	98601

Weight [g]	625.5
Type of mounting	rail;(TH35 (EN 60715))
Dimensions [mm]	124 x 40 x 120
Materials	steel sheet

Displays / operating elements

Display	AS-i voltage LED, green

Pack quantity	1 pcs.

Electrical connection

Connection	screw terminals:

Diagrams and graphs

block diagram

output characteristics

characteristic curve for degree of efficiency / power loss

characteristic line for derating

characteristic line for mains buffering time

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — AC1254-00 — 10.01.2014 —