OPERATING AND SERVICE
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MANUAL
3 DEC 19~1
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6012A
AUTORANGING
DC POWER SUPPLY
COPYRIGHT AND DISCLAIMER NOTICE
Copyright - Agilent Technologies, Inc. Reproduced with the permission of Agilent
Technologies Inc. Agilent Technologies, Inc. makes no warranty of any kind with regard
to this material including, but not limited to, the implied warranties of merchantability
and fitness for a particular purpose. Agilent Technologies, Inc. is not liable for errors
contained herein or for incidental or consequential damages in connection with the
furnishing, performance, or use of this material or data.
1-17
ACCESSORIES
HP Pert No. Description
l-18 The System II Cabinet accessories listed below may
be ordered with the power supply or separately from your local
Hewlett-Packard Sales end Service Office (see list of addressee at the rear of this manuall.
HP Part No. Description
5061.CO89 Front handle kit for 5114 inch high cabinets.
1460.1345 Tilt stand 0) snaps into standard foot supplied
with instrument, must be used in pairs.
5061.CO77
5061X083 Rack flange/front handle kit for S-1/4 inch
Rack flange kit for 5114 inch high cabinets
(will be shipped with instrum&t if ordered es
Option 9081.
high cabinets (will be shipped with instrument
if ordered as Option 909).
Table l-l. Specifications, Model 6012A
1494-0018 Slide kit for installing 17.inch deep cabinet in
HP rack enclosure.
M844m5 Tilt slide kit, seme es 1494-0018 plus permits
tilting instrument up or down 90D.
14844023
5ow28os Control Board Extender card.
1-19
l-20 One manual is shipped with each power supply. Additional manuals may be purchased directly from your
Hewlett-Packard Sales office. Specify the model number, instrument serial number prefix, and the manual part number
provided on the title page. (When ordered at the came time es
the power supply, additional manuals may be purchased by
adding Option 910 to the order and specifying the number of
additional manuals desired.1
Slide adapter kit, permits use of 1494-0018 kit
in non-HP rack enclosure of adequate depth.
ORDERING ADDITIONAL MANUALS
local
All performance specifications are at rear terminals with a
resistive load.
INPUT POWER
Two internal switches and two internal jumpers permit
operation from 120,220, or24OVac (- 13%. +8%); 48-63 Hz.
Maximum input current is 24 A rms for 120 Vat, 15 A rms for
220 Vat, and 14 A rms for 240 Vat.
EFFICIENCY (Typical):
80% on maximum output povver boundary.
INPUT PROTECTION:
The ec input is protected by a rear-panel mounted 25 A cir-
cuit breaker.
PEAK INRUSH CURRENT (Maximum)
120 Vat, 31.5 A
220 Vat, 13.3 A
240 Vat, 14.3 A
DC OUTPUT:
Adjustable from 0 to 80V and 0 to SO A. Maximum output
power is 1000 W et 50A. 1050 W et SOV, and approximately
12CO W et mid-range. See graph:
LOAD EFFECT (LOAD REGULATION):
Constant Voltage - Less than 0.01% of output voltage plus
5 mV for a load change equal to the maximum available current rating of the supply et the set voltage.
Constant Current Lees than 0.01% of output current
plus 5 mA for a load change equal to the maximum available
voltage rating of the supply et the set current.
Table l-l. Specifications, Model 6012A Icontinued)
.
SOURCE EFFECT (LINE REGULATION):
Constant Voltage - Less than 0.01% of output voltage plus
3 mV for any line voltage change within rating.
Constant Current Less than 0.01% of output current
plus 5 mA for any line voltage change within rating.
PARD (Ripple and Noise), 20 Hz to 20 MHz:
Constant Voltage Less than 5 mV rms and 50 mV p-p.
Constant Current - Less than 25 mA rms.
TEMPERATURE COEFFICIENT:
Constant Voltage - Less than 0.01% plus 2 mV change in
output per degree Celsius change in ambient after 30.minute
WX!ll”p.
co”stant Current Less than 0.01% plus 4 mA change
in output per degree Celsius change in ambient after
30.minute warmup.
DRIFT (Stability):
(Change in output over an B-hour interval under constant
line, load, and ambient temperature after 30.minute warmup).
Constant Voltage - Less than 0.03% of output plus 5 mV.
Constant Current - Less than 0.03% of output plus 5 mA.
LOAD TRANSIENT RECOVERY TIME:
Less than 2 ms is required for output voltage recovery (in
constant voltage operation) to within 100 mV of the nominal
output following a change in output current of 10% of maximum current rating at any output voltage (output current
Z5Al.
RESOLUTION:
(Minimum output voltage or current change that can be ob-
tained using the 10.turn front-panel controls).
Constant Voltage - 20 mV
Constant Current 20 mA
OUTPUT IMPEDANCE
(Typical);
0.2 ml2 ~$3 dc. See graph:
OVERVOLTAGE PROTECTION:
Trip voltage adjustable from 2 V to 63V. Minimum setting
above output voltage to avoid false tripping is 1.5 V + 1% of
VOUT.
REVERSE VOLTAGE PROTECTION:
(Maximum permissible current caused by reveree voltage
impressed across output terminals) 50 A continuous, 20 A
continuous with ac power off.
REMOTE SENSING:
Maintains nominal voltage at load by correcting for load-
lead voltage drop of up to 0.5V per lead.
REMOTE PROGRAMMING:
Resistance Programming - 0 to 2.5 k provides zero to maximum rated voltage or currant output.
Accuracy: CV; 1% + 3 mV CC; 2.5% + 15mA
Voltage Programming . 0 to 5V provides zero to maximum
rated voltage 0, current output.
Accuracy: CV; 0.3% + 3 mV CC: 1% +15mA
Current Programming - 2 mA to 0 mA current sink provides
zero to maximum rated voltage or current output (with user-
provided 2.5k resistor).
Accuracy: CV; 0.3% + 0.42V + accuracy of resistor
CC; 1% + O.gA + accuracy of resistor
PROGRAMMING RESPONSE TIME:
Maximum time for output voltage to change from 0 V to
60 V or 60 V to 2 V end settle within 200 mV band.
Up: Full load l3.4W 120 ms
No Load 120 ms
Down: Full Load (3.4W
No Load
400 Ins
1.2s
Typical response time to settle within 200 mV band, for
excursions other than full-scale.
Down: On graph, read difference in time between initial out-
put voltage and final output voltage; add settling time of 200
ms @ full load or 330 nw @ no load.
DC OUTPUT ISOLATION:
Either output terminal may be floated up to f240 Vdc
lit-&ding output voltage1 from ground.
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