Temperature Derating - KEPCO HSM 3.3-230 Operator's Manual

CHARACTERISTIC
SIGNAL AND CONTROL
3.3V & 5V Models 0.25V per wire
Remote Error Sensing
All other Models
Isolated TTL-compatible signal; either logic
Remote On/Off Control
high or logic low will disable output.
Within 5% of load when connected via load
Load Sharing
sharing wire (see PAR. 2.7.6).
0-5V analog signal proportional to output
Load Monitor
load current; 5V at 100% of rated load.
Status Flags
(Form C dry relay contacts)
(See PAR. 3.14.)
(See Notes 5 and 7.)
4.75-5.25V d-c output, 0 - 100mA,
parallelable, output isolated (500 V d-c),
Auxiliary Voltage
Input isolated (SELV) (See Operating
(Isolated)
Instructions, PAR. 3.11).
Voltage Set Programming
Mode selected by
internal switches
(See Note 6.)
(See PAR. 3.3.)
Current Limit
Programming
HSMSERIES OPR 052912
TABLE 1-2. GENERAL SPECIFICATIONS (CONTINUED)
REQUIREMENT
0.8V per wire
Indicates low source
voltage; signal
asserted a minimum of
POWER
5 msec prior to loss of
output voltage.
Indicates HSM Power
Supply in normal
OUTPUT
operating mode.
Indicates HSM Power
Supply in
OVERTEMP
overtemperature
shutdown.
Indicates failure of
FAN FAIL
internal cooling fan.
Multiturn pot
Internal
Resistance: 0-50KΩ
External 1
0-10V, 500µA
max
External 2
Multiturn pot
Internal
0-10V, 500µA
max
External
FIGURE 1-1.
CHARACTERISTIC
ENVIRONMENT
Operating
Temperature Range
Storage
Internal d-c fan (inlet, exhaust as indicated in
Cooling
Figure 1-3).
0-95% RH (non-condensing), Operating and
Humidity
Storage.
Non-operating, 20g, 11msec 50%, half sine, 3
Shock
axes, 3 shocks each axis
5-10Hz
Vibration
10-55Hz
Sea level to 10,000 feet
Altitude
PHYSICAL
See Figure 1-3.
Dimensions
16 lbs. (7.3Kg)
Weight
3-pin power entry module (compatible with IEC
Source Connections
320/C19 molded line cord plug.
Two bus bars (+ and -)1.0 x 0.125 inch, copper
Load Connection
w/bright nickel finish
37-pin D-subminiature connector (male)
Signal Connection
NOTES 5: Status flags are isolated and operate independently.
6: The POWER/DCFAIL fault detector window tracks pro-
grammed output voltage, however, the overvoltage protection
trip point remains unaffected.
7. Form C contacts: rated from 30V d-c/1A to 60V d-c/0.3A.
FIGURE 1-2.

TEMPERATURE DERATING

REQUIREMENT
0 to 50° C: rated load;
50° C to 71° C: derate by
2.5%/° C, see Figure 1-2.)
-40 to +85° C
10mm, double amplitude
2g
1-3