iFM AC1257 AS-Interface Power Supply PSU DC24V PSU-24VDC/ASi-4A

Description

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
Space-saving design
Low heating of the control cabinet due to high efficiency
Electrical data
Operating voltage tolerance [%]
25...35
Nominal voltage DC [V]
24
Input voltage DC [V]
24
Protection class
III
Overvoltage protection
yes; (< 36 V)
Max. power-on delay time [ms]
650
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 reserve [%]
10
Number of output circuits
1
Output current AS-i [A]
4
Max. residual ripple [mV]
50
Switch-on peak current (nominal voltage 24 V DC) [A]
2
Inrush current limitation
yes
Efficiency (nominal voltage 24 V DC) [%]
90.5
External input protection
≤
B-10 A /
≤
C-8 A
Derating [W/K]
3 (60...70 °C)
Mains buffering time (nominal voltage 24 V DC) [ms]
6
Input current (nominal voltage 24 V DC) [A]
5.5
Power loss (nominal voltage 24 V DC) [W]
12.7
Integrated data decoupling
yes
Back feeding protection [V]
35
Outputs
Short-circuit proof
yes
Overload protection
yes
Overload performance
constant output current
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 61000-6-3
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
98801
Mechanical data
Weight [g]
621
Type of mounting
rail; (TH35 (EN 60715))
Dimensions [mm]
124 x 40 x 120
Material
steel sheet
Displays / operating elements
Display
AS-i voltage
LED, green