D1U-W-1600-48-Hx Series
AC-DC Front End Power Supply
CPS_D1U-W-1600-48-Hx.E01 Page 3 of 5
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PROTECTION CHARACTERISTICS
Output
Voltage
Parameter Conditions Min. Typ. Max. Units
Over-temperature Auto-restart 55 65 °C
48V
Over Voltage Latching 54 59 V
Over Current Latching 37 42 A
12Vsb
Over Voltage Latching 13 14 V
Over Current Latching 2.5 3 A
3.3Vsb
Over Voltage Latching 3.57 4.02 V
Over Current Latching 6.5 8 A
5Vsb
Over Voltage Latching 5.6 6 V
Over Current Latching 5 7 A
ISOLATION CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Insulation Safety Rating / Test Voltage
Input to Output - Reinforced 3000 Vrms
Input to Chassis - Basic 1500 Vrms
Isolation
Output to Chassis
Output to Output
Material Flammability UL 94V-0
Grounding
Main Output Return and Standby Output Return are connected internally. 100kΩ resistor parallel with 100nF
capacitor is connected between Return and power supply chassis. Main Output Return should be connected to
the System Chassis.
CONTROL SIGNALS
Status Conditions Description
LED
Off No AC input to all PS
Flashing Yellow Power Supply Failure
Flashing Green Main Output Absent
Green Power Supply Good
I
2
C Registers
Status
PS-ON, PGOOD, ACOK, PS_BAD, FANFAIL, OT Warning &
shutdown, AC Range
Output Fault 48V OV, 48V UV, 48V OC, Vsb Fail, Fan1 Fail, Fan2 Fail
48V Output 8 bit scaled output voltage
48V 8 bit scaled output current
Fan1 Monitor 8 bit scaled output current
Fan2 Monitor 8 bit scaled output current
EMISSIONS AND IMMUNITY
Characteristic Description Criteria
Harmonics IEC/EN 61000-3-2
Voltage Fluctuation and Flicker IEC/EN 61000-3-3
Emission Conducted FCC 47 CFR Parts 15/CISPR 22/EN55022 Class A, 6dB margin
Emission Radiated FCC 47 CFR Parts 15/CISPR 22/EN55022 Class A, 6dB margin
ESD IEC/EN 61000-4-2
4kV contact discharge
8kV operational air discharge
15kV non-operational air discharge
Electromagnetic Field IEC/EN 61000-4-3
Electrical Fast Transients/Burst IEC/EN 61000-4-4
Surge IEC/EN 61000-4-5 1kV/2kV, Performance Criteria B
RF Conducted Immunity IEC/EN 61000-4-6 3 Vac, 80% AM, 1kHz, Performance Criteria A
Magnetic Immunity IEC/EN 61000-4-8 3 A/m
Voltage dips, interruptions IEC/EN 61000-4-11