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About the device
1.
Introduction
The electronic loads of the series EL 9000 are very effici-
ent devices which offer a big variety of interesting features
in a 19" case of 6U. Besides the common functionality
of electronic loads you can test batteries, load voltage
or current sources with a pulsed operation, where the
pulse widths and the amplitude are adjustable. Or you
can remotely control the device via an interface card and
control and monitor nearly all its features from a PC.
The integration into existing systems is made easy by
using one of the interface cards, the configuration is
intuitive and is done at the device. The electronic loads
can thus be operated in conjunction with a power supply
or, with the additional analogue interface socket at the
rear side, controlled and monitored by any other device
with an analogue interface.
The device is microprocessor controlled. This results in
an accurate and fast measurement and display of actual
values, as well as an extended operability by many new
features which wouldn't be realisable with standard ana-
logue technology.
The modern design offers highest performance and
enables space-saving conceptioning of complex and
efficient applications, like for example industrial test
equipment with variable powers for different demands
or for demonstration and test purposes in the research
and development area.
The digital control and the retrofittable interface card
strongly simplify the connection to professional, industrial
bus systems like CAN. Nearly all possibilities of the single
systems are used. With USB you can plug and use up to
four (or more) devices to a standard PC without the need
of additional hardware. At CAN you can implement the
devices into existing CAN bus systems without the need
to reconfigure the whole bus system. Address range and
transmissions speed can be selected for the particular
EL 9000 unit, so it fits best.
The main functions at a glance:
• Set U, I, P and R, each 0...100%
• Battery test with Ah and time count
• Pluggable interface cards (CAN, USB, RS232, IEEE/
GPIB, Ethernet/LAN)
• Analogue interface for external control
• Pulsed operation between two set values with adjusta-
ble pulse widths and adjustable rise/fall time
• Adjustable duty cycle (as time) of 50µs...100s and
adjustable rise time of 30µs...200ms
• Vector software compatible CAN system
Instruction Manual
EL 9000 A Series
2.
Technical specifications
2.1
Control panel
Type
Display:
two line character display with
80 characters
Operating elements: 2 rotary knobs, 2 rotary switches,
1 pushbutton
Display formats
The nominal values determine the adjustable range.
Actual and set values are displayed all at once, as long
as the currently active operation mode allows it.
Display of voltage values
Resolution:
3 or 4 digits
Formats:
0.00V...99.99V
0.0V...999.9V
Display of current values
Resolution:
4 digits
Formats:
0.09A...99.99A
0.0A...999.9A
Display of power values
Resolution:
4 digits
Formats:
0W...9999W
Display of resistance values
Resolution:
4 digits
Formats:
0.000Ω...9.999Ω
0.00Ω...99.99Ω
0.0Ω...999.9Ω
Display of time
The elapsed time (only battery test mode) is display in
the format Hours:Minutes:Seconds (HH:MM:SS).
Resolution:
1s
Range:
1s...99h:59m:59s (99:59:59)
This time stamp can be read out via one of the pluggable
interface cards, together with the pulse widths and rise
time of the dynamic Level A/B operation. The dynamic
values can also be set remotely.
Detailed information about this can be found in the in-
struction manual of the interface cards.
Date: 11-16-2011
EN
29
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