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CEF400-112C
400 Watt Open Frame Single Output
AC/DC Switching Power Supply
MONITORING AND CONTROL SIGNALS
TTL logic signal goes high to denote loss of AC input. Power
EMISSIONS AND IMMUNITY
supply will provide a minimum of 5ms from loss of AC input
EMI
EN55022 Class B conducted
AC Fail
DC OK
before this signal goes high. Additionally a minimum of 3ms
of holdup will be provided between the signal going high and
the output going out of regulation. The signal will not go high
when loss of AC input is less than 5ms in duration.
TTL logic goes high after the output is in regulation. It goes
low when there is loss of regulation.
Electromagnetic Susceptibility
ESD
Electromagnetic Field
Electrical Fast Transients/Burst
Surge
IEC/EN 61000-4-2, Level 3
IEC/EN 61000-4-3, Level 3
IEC/EN 61000-4-4, Level 3
IEC/EN 61000-4-5, Level 3
RF Conducted Immunity
IEC/EN 61000-4-6, Level 3
T
Magnetic Immunity
IEC/EN 61000-4-8, Level 3
UC -12AFD
OD AC400
R
E P ment MV
T
Parameter Conditions Min. Typ. Max. Units
LE replace
UL
UL60950-1 (E151252)
O
BS mended
cUL
CSA C22.2 No. 60950-1 (E151252)
CB
US/13399/UL per IEC60950-1 (2001) 1st Ed.
O com
Material Flammability
UL 94V-0
TTL logic input signal disables the output when held low, and
Remote On/Off
enables the output when held high.
Compensates for 0.5 V lead drop min. Will operate without Voltage Dips, Interruptions IEC/EN 61000-4-11, Level 3
Remote Sense remote sense connected. Unit is protected against reverse
connection of the remote sense lines.
ENVIRONMENTAL CHARACTERISTICS
SAFETY
Storage Temperature Range Non-condensing –40 + 85
°C
Operating Temperature Range w/o derating 0 50
Operating Humidity Non-condensing 10 90
%
Storage Humidity 5 95
Re
MECHANICAL
RELIABILITY
Dimensions
4.0" × 7.0" × 1.59" (101.6mm × 177.8mm × 40.39mm)
Calculated 2 per MIL-HDBK-217N2, GB, 25°C, Quality Level I
212khrs
Weight
Vibration
2.0 lbs (0.91 kgs)
Designed to meet IEC 68-2-6 to the levels from IEC 721-3-2
MTBF
Calculated 2 per Telcordia SR-332, Issue 1, Method 1,
Case 3, GFC, Ground fixed, Controlled, Quality Level I
293khrs
Shock
Drop
Designed to meet IEC 68-2-27
Designed to meet IEC 68-2-31
I 2 C INTERFACE
Tip over
Designed to meet IEC 68-2-31
Software Remote On/Off over I 2 C
Parametric Reporting Read Byte
Writing 0x7F at address 40 disables the output of the unit
Writing 0xFF at address 40 enables the output of the unit
Reading at address 40 over I2C lines, give the ‘Parametric Reporting Read Byte’, which is detailed below
BIT 7
Output Enable
BIT 6
NOT USED
(normal 1)
BIT 5
NOT USED
(normal 1)
BIT 4
NOT USED
(normal 1)
BIT 3
Over Temperature
BIT 2
Fan Fault
BIT 1
Output OK
BIT 0
Input Ok
BIT 7
BIT 6
BIT 5
BIT 4
Output Enable
NOT USED
NOT USED
NOT USED
1
0
1
1
1
Unit Enabled
Unit Disabled
Set to 1
Set to 1
Set to 1
BIT 3
BIT 2
BIT 1
BIT 0
Over Temperature
Fan Fault
Output OK
Input OK
1
0
1
0
1
0
1
0
Over temperature exists
No over temperature
Fan locked rotor fault exists
Fan OK
Output fault exists
Output OK
Input fault exists
Input OK
Calculated ?gures exclude the integral fan.
Notes
Specifications subject to change without notice.
Specifications are at factory settings.
Warranty: 1 year.
2
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