CHROMA 6310 PDF

Why register? Registration allows access to the entire site including downloads of our application notes and users manuals. Versatile System Configuration The Chroma A Programmable DC Electronic Load integrates microprocessor capabilities into each load module and a mainframe to provide simple and accurate parallel operations to optimize the speed and control among multiple load modules. All load modules may be configured to work synchronously or to test multiple outputs simultaneously, thus simulating real life applications. In addition, the remote control commands are compatible between the and the A series without needing to re-writing any remote control programs. This makes it ideal for testing multiple output switching power supplies and multiple DC-DC converters.

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Mainframes holds four or two modules, up to 8 loads total Parallel load modules up to 1, W total power, A total current Constant Current, Constant Resistance, Constant Voltage, Constant Power modes Dynamic loading to 20 kHz with internal pulse generator Fast, adjustable slew rate from 0.

The A series load modules will be compatible with the A mainframe for 2 load modules and the A mainframe for 4 load modules. In addition, the remote control commands will be compatible between the and the A series without needing to re-writing any remote control programs. The Chroma A W and A W electronic load mainframes accept the user-installable A series load modules for easy system configuration and will mount in a 19" instrument rack. This makes it ideal for testing multiple output switching power supplies and multiple DC-DC converters.

There are also higher wattage modules that may be mixed and matched for an even more versatile system. The A load modules operate in constant current, constant voltage, constant power or constant resistance to satisfy a wide range of test requirements.

For example, the test of a battery charger can be simulated easily by setting the load to operate in constant voltage. Each load module is designed with state-of-the-art technology and connects all the power MOSFET devices in parallel to insure high accuracy load control with a minimum drift of less than 0.

Chroma's use of FET technology provides minimum input resistance and enables the load to sink high current even at very low voltages.

For example, the model A is capable of sinking 60A at 1V, and well-suited for testing the new 3. Low voltage operation, down to zero volts, is possible at reduced current levels. Modern electronic devices operate at very high speeds and require fast dynamic operation of their power providing components. To satisfy these testing applications, the A loads offer high speed, programmable dynamic load simulation and control capability. The figure below shows the programmable parameters of the A modules:.

The programmable slew rate makes the simulation of transient load change demanded by real life applications possible. It's dedicated remote load sense and control circuit guarantee minimum waveform distortion during continuous load changes. The A provides parallel control, which enables high power testing when a single module cannot meet the requirement of high power applications. Two or more load modules can be paralleled together to achieve the desired loading.

The A comes with RS as standard for remote control and automated testing applications. In addition, the A, through its synchronized controls, provides an efficient solution for testing single output AC to DC or DC to DC converters by controlling multiple loads. The A provides the capability to test up to 8 UUTs at a time. The built-in resistive load current sensing circuit is capable of measuring current with an accuracy of 0.

Also, short circuit can be simulated. All measurements are done using remote sensing to eliminate any error due to voltage drops along the measurement path. The user can also select from a complete set of voltage and current measurements.

Modern switching power supplies are designed with over current protection OCP circuitry; therefore, it is important to test the OCP circuitry to make sure it is functioning within its designed specifications.

The A series provides an easy and fast solution for this testing. By simply choosing the channel and setting the OCP parameters start current, end current, step current and dwell time from the front panel, the A series provides a fast and easy OCP testing solution. The A series will automatically detect the OCP point, making it an ideal solution for design verification as well as production line testing. For example, the figure on the right shows the A internal timer starting at load ON, and ending when the battery voltage reaches the final voltage.

The Timing function can be used in testing battery and super capacitor discharge, or other similar applications. The A load module uses a photo coupler for isolation between the output and control sections, thus each load is isolated and floating. The user can use multiple load modules independently to test multi-output power supplies, or parallel them for high power testing applications.

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Chroma 6314A Electronic Load Mainframe

Mainframes holds four or two modules, up to 8 loads total Parallel load modules up to 1, W total power, A total current Constant Current, Constant Resistance, Constant Voltage, Constant Power modes Dynamic loading to 20 kHz with internal pulse generator Fast, adjustable slew rate from 0. The A series load modules will be compatible with the A mainframe for 2 load modules and the A mainframe for 4 load modules. In addition, the remote control commands will be compatible between the and the A series without needing to re-writing any remote control programs. The Chroma A W and A W electronic load mainframes accept the user-installable A series load modules for easy system configuration and will mount in a 19" instrument rack. This makes it ideal for testing multiple output switching power supplies and multiple DC-DC converters. There are also higher wattage modules that may be mixed and matched for an even more versatile system. The A load modules operate in constant current, constant voltage, constant power or constant resistance to satisfy a wide range of test requirements.

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