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LANGUAGE.
Kepco's Series KLP
A NEW PARADIGM IN THE DESIGN OF A-C TO D-C PROGRAMMABLE POWER SUPPLIES.
CompuMess Elektronik GmbH · Lise-Meitner-Str. 1 · D-85716 Unterschleißheim
Telefon (089) 32 15 01 - 0 · Telefax (089) 32 15 01 - 11 · www.compumess.de · www.netzteile.de
AN ISO 9001 COMPANY
TALK . LISTEN.
ETHERNET KEPCO'S KLP IS PROGRAMMABLE IN MANY LANGUAGES,
USING MANY COMMON INTERFACES.
Models with the -1.2K suffix provide a LAN port
which is an LXI-approved Ethernet- based interface There are two versions of KLP offered, with differing digital
allowing multiple-user access via a standard web programming options. Models with the suffix -1200 are
browser. The factory default LAN settings on the equipped with GPIB (IEEE-488.2) and RS-232 digital programming
KLP are DCHP on, AUTOIP on. When the power ports. Models with the suffix -1.2K are equipped with a LAN
supply is powered up, it will try to find a DCHP (Ethernet, RJ-45) connector in place of the RS-232. The LAN
server and get an IP address, If a server is not found,
the KLP will use AUTOIP to get an address. interface is an LXI-approved ethernet-based TM
interface that allows multiple-user access via a
standard web browser.
The GPIB port accepts addresses 1 to 31 (factory default is 6). The
RS-232 operates at baud rates up to 38,400 (default). All digital
IEEE-488 programming ports provide SELV (Safety Extra Low Voltage)
isolation for operator and equipment protection. The format is
In all models, the GPIB port accepts a standard compatible with SCPI, offering programming resolution of
GPIB connector and communicates bi-directionally 0.024% with a readback accuracy of 0.1% of Emax or Ilim.
with a GPIB host computer interface. The GPIB input
supports LabView G which provides a "soft" panel All KLP models may be controlled by analog signals, a variable
visible on the driving computer. VXI plug&play is voltage or a variable resistance. These analog inputs are fully
also supported. This also provides a "soft" panel isolated from the output and the chassis.
display on the host computer. These functions are
described in the KLP Developer's Guide. The KLP offers storage
of user-programmed
active settings. In ad-
dition to adding single
steps, a user may
add multiple steps
RS-232
to produce voltage Rear view, Ethernet (LAN) port, -1.2K version
Models with the -1200 suffix support RS-232 or current ramps.
operating at baud rates up to 38,400 (default).
Kepco provides three
The format is compatible with SCPI, offering
programming resolution of 0.024% with a readback instrument drivers:
accuracy of 0.1% of Emax or Ilim. IVI-COM, LabView G
and VXI plug&play,
which simplify pro-
gramming of the KLP
Rear view, RS-232 port, -1200 version
power supply via the
digital interfaces. These drivers and sample programs are supplied
ANALOG I/O on a CD shipped with each unit and may be downloaded from the
The input defaults are 0 to 10V d-c voltage or
Kepco website at: www.kepcopower.com/drivers.
0 to 10K ohms resistive. Both voltage setting and
current setting are controllable by these analog
signals. The maximum levels can be set in the
Call us to TALK about the Series KLP Power Supplies.
calibration routine to match whatever a user has
available (0-5V, 0-3.3V etc.) Readback is a 0-10V KEPCO, INC. · 131-38 Sanford Avenue · Flushing, NY 11355 USA
proportional signal. Isolated form-C relay contacts Tel: (718) 461-7000 · Fax: (718) 767-1102
provide a composite status flag. Email: hq@kepcopower.com · www.kepcopower.com/klp.htm
Data subject to change without notice. © 2007 KEPCO, INC. Litho in USA
Using high-frequency switch-mode topology for high efficiency and small size, the KLP provides 1200 watts
of well-regulated, controllable d-c power in a 1U (1.75 inch high) by 19 inch rack-mountable package.
KLP REPLACES THE NEED FOR MULTIPLE POWER KEPCO IS NOT JUST AHEAD OF THE CURVE, WE'VE FORMED
SUPPLIES BY EXPANDING THE OPERATING REGION. A WHOLE NEW ONE.
THE BREAKTHROUGH OF A HYPERBOLIC POWER LIMIT The KLP output locus is not limited to the familiar rectangular
DELIVERS A FULL 1200 WATTS OVER AN EXPANDED CV/CC shape used by most laboratory-type power supplies. KLP
OPERATING RANGE, NOT JUST A SINGLE POINT. features a hyperbolic power limit formed by an infinite number
of volt-ampere combinations that remain within the power
V supply's overall 1200 watt power limit. The KLP continuously
calculates what the maximum current can be at a given voltage
75 A KEPCO KLP'S setting to stay within its 1200 watt power envelope.
1200 WATT
ADDITIONAL EXTENDED The result is two loci of constant voltage and constant current
OPERATING MAXIMUM
REGION POWER forming a third locus by intersecting in a constant power
B RANGE hyperbolic curve. This hyperbolic curve opens a much wider
"A" THRU "C"
operating range of reduced current at higher voltage and
reduced voltage at higher current operating regions that are
C unavailable in conventional power supplies.
VOLTS
36 CONVENTIONAL
POWER SUPPLY'S Because the range of possible outputs from a single KLP model
MAXIMUM
POWER POINT is so much greater than what is customary, KLP supports the
ADDITIONAL idea of a virtual model a user-defined maximum programmable
OPERATING
REGION voltage and current profile, within the 1200 watt power limit
CONVENTIONAL
OPERATING REGION and the KLP's voltage and current maxima. Once established,
the KLP will not accept programmed values outside of these limits
I
whether from the front panel in local mode, or from the digital
0 16 33 (GPIB, RS-232, or LAN) ports, or the analog input ports in remote
AMPERES mode. The virtual-model settings are password protected.
KLP MODEL TABLE
RATED VOLTAGE MAXIMUM CURRENT MINIMUM PROGRAMMABLE RATED CURRENT MAXIMUM VOLTAGE RIPPLE AND EFFICIENCY
MODEL RANGE (1) FOR RATED VOLTAGE CURRENT RANGE (1) FOR RATED CURRENT NOISE (2) @115V a-c
KLP 10-150-1.2K (3) 0-10V 120A@10V 3.2A 0-150A 8V@150A 75 mV 80%
KLP 20-120-1.2K (3) 0-20V 60A@20V 1.6A 0-120A 10V@120A 75 mV 82%
KLP 36-60-1.2K (3) 0-36V 33.3A@36V 0.8A 0-60A 20V@60A 125 mV 83%
KLP 75-33-1.2K (3) 0-75V 16A@75V 0.4A 0-33.3A 36V@33.3A 125 mV 84%
KLP 150-16-1.2K (3) 0-150V 8A@150V 0.2A 0-16A 75V@16A 125 mV 86%
KLP 300-8-1.2K (3) 0-300V 4A@300V 0.1A 0-8A 150V@8A 300 mV 87%
KLP 600-4-1.2K (3) 0-600V 2A@600V 0.05A 0-4A 300V@4A 400 mV 88%
(1) The maximum current and voltage are constrained by the 1200 watt power limitation.
(2) Bandwidth: 20MHz; low frequency ripple may be higher at loads less than 30 Watts.
(3) Models shown with the suffix -1.2K refer to the LAN (LXI) interface. RS-232 interface AN ISO 9001 COMPANY
models use the suffix -1200. All specifications apply to both types of models.
KEPCO, INC. · 131-38 Sanford Avenue · Flushing, NY 11355 USA
Tel: (718) 461-7000 · Fax: (718) 767-1102
Email: hq@kepcopower.com · www.kepcopower.com/klp.htm
KLP INPUT CHARACTERISTICS
SPECIFICATIONS RATING/DESCRIPTION CONDITION
a-c nominal 100-240V a-c Single phase
Voltage
range 100-255V a-c Wide range
d-c range 125-420V d-c No regulatory
Voltage agency approval
Frequency nominal range 50-60 Hz Single phase
FEATURES
maximum 45-440 Hz Increased leakage
above 66 Hz
Switch mode topology for cool, Power Factor typical 0.99 Meets EN 61000-3-2
efficient operation
Maximum 120V a-c 13A rms Rated load
Input Current (1200W)
GPIB and isolated analog programming 240V a-c 6.5A rms
standard on all models Inrush 265V a-c 40A
Current Peak
132V a-c 20A
-1200 models have an RS-232 interface Input Fusing Circuit Breaker 2-line
Low a-c Protection Self Protected No fixed limits
-1.2K models replace the RS-232 interface
with an Ethernet (RJ-45) connector Output Hold Up typical 10 milliseconds Ride through
supporting LAN (LXI) Leakage 115V a-c, 60 Hz 5mA
Current
230V a-c, 50 Hz 10mA
1U panel height at 1200 watts
Front to back air flow allows full power KLP OUTPUT CHARACTERISTICS
operation without spacers between supplies
SPECIFICATIONS RATING/DESCRIPTION CONDITION
Seven models: Stabilizer Type CV/CC Voltage/Current
KLP 10-150-*, KLP 20-120- *, KLP 36-60- *, Adjustment voltage 0-100% of rated voltage No minimum
KLP 75-33- *, KLP 150-16- *, KLP 300-8- *, Range load required
current min-100% of rated current (1)
KLP 600-4- *
Source Effect voltage 0.01% Emax Over full
* -1200 suffix includes RS-232 interface current 0.01% lmax source range
* -1.2K suffix includes LAN (LXI) interface
Load Effect voltage 0.01% Emax Over full load
current(2) 0.02% lmax current range
Wide-range a-c input, 100-255V a-c with PFC
Temperature voltage 0.2%/ºC
Effect 0-50ºC
Dimensions: HxWxD current 0.2%/ºC
1.75" x 19" x 17.5" Time Effect voltage 0.05%/24hr After 30 minute
44.45 x 482.6 x 443.7 mm (drift)
current 0.05%/24hr warmup
Error Sensing 0.25 volts per wire Above rated output
Weight:
15 lbs., 6.82kg Isolation Voltage 600V d-c or peak Either output
terminal to ground
Transient excursion 1% of Emax 50% load step
Recovery for 2A/µsec max
FOR FULL SPECS : Load Change
recovery 2 msec Return to 0.1%
of setting
www.kepcopower.com/klp.htm Turnon/turnoff Overshoot Same as load transient response limits
Overvoltage voltage 20-120% of Emax User selectable
Protection recovery
Overcurrent current 72-120% of Imax User selectable
Protection recovery
AN ISO 9001 COMPANY
Overtemperature Shutdown User selectable
Protection recovery
Output Lead Fault Shutdown User selectable
Protection recovery
Parallel Operation Active load sharing within Up to 5 units
KEPCO, INC. · 131-38 Sanford Avenue 5% of I0 rated maximum (3)
Flushing, NY 11355 USA · Tel: (718) 461-7000 (1) See Model Table for minimum programmable current.
Fax: (718) 767-1102 · Email: hq@kepcopower.com (2) After settling effect.
www.kepcopower.com/klp.htm (3) -1.2K models are not Master/Slave capable.