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AS-Interface power supply

AC1256

PSU-1AC/ASi-2,8A

AS-Interface power supply

AC1256

PSU-1AC/ASi-2,8A

  • 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
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  • ce
  • asi
  • cul
  • cruus
Technical details
Electrical data
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; (to PELV; NEC Class II)
Output power (permanent) [W] 85
Power factor (nominal voltage 120 V AC / 60 Hz) 0.56
Power factor (nominal voltage 230 V AC / 50 Hz) 0.47
Number of output circuits 1
Output current AS-i [A] 2.8
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) [%] 86.9
Efficiency (nominal voltage 230 V AC / 50 Hz) [%] 88
External input protection ≤ B-10 A / ≤ C-6 A
Derating [W/K] 0 (60...70 °C)
Mains buffering time (nominal voltage 120 V AC / 60 Hz) [ms] 98
Mains buffering time (nominal voltage 230 V AC / 50 Hz) [ms] 96
Input current (nominal voltage 120 V AC / 60 Hz) [A] 1.44
Input current (nominal voltage 230 V AC / 50 Hz) [A] 0.86
Power loss (nominal voltage 120 V AC / 60 Hz) [W] 12.9
Power loss (nominal voltage 230 V AC / 50 Hz) [W] 11.6
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
Degree of soiling 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
AS-i classification
AS-i certificate 98701
Mechanical data
Weight [g] 625
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
Remarks
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 — AC1256-00 — 10.01.2014 —

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