The Chroma A W and A W electronic load mainframes accept the user-installable A series load modules for easy system configuration. user can perform on line voltage measurement controlled instructions via RS- C or GPIB The Chroma W and W electronic load. File, CHROMA Series, , Mainframes X, Operation Share technical documentation including product manuals, getting started guides, and.

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Reproduction, adaptation, or translation of this document without prior written permission is prohibited, except as allowed under the copyright laws. Chroma agrees to repair or replace any assembly or component found to be defective, under normal use during this period.

Chdoma obligation under this warranty is limited solely to repairing any such instrument, which in Chroma’s sole opinion proves to be defective within the scope of the warranty when returned to the factory or to an authorized service center.

Transportation to the factory or service center is to be prepaid by purchaser.

Chroma 6314 user manual

Shipment should not be made without prior authorization by Chroma. This warranty does not apply to any products repaired or altered by persons not authorized by Chroma, or not in accordance with instructions furnished by Chroma.

If the instrument is defective as a result of misuse, improper repair, or abnormal conditions or operations, repairs will be billed at cost.

Chroma assumes no responsibility for its product being used in a hazardous or dangerous manner either alone or in conjunction with other xhroma. High voltage manuak in some instruments may be dangerous if misused. Special disclaimers apply to these instruments. Chroma assumes no liability for secondary charges or consequential damages and in any event, Chroma’s liability for breach of warranty under any contract or otherwise, shall not exceed the purchase price of the specific instrument shipped and against which a claim is made.

Any recommendations made by Chroma for use of its products are based upon tests believed to be reliable, but Chroma makes no warranty of the results to be obtained. This warranty is in lieu of all other warranties, expressed or implied, and no representative or nanual is authorized to represent or assume for Chroma any liability in connection with the sale of our products other than set forth herein. This is a class A product.

In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures. Failure to comply with these precautions or specific WARNINGS given elsewhere in this manual will violate safety standards of design, manufacture, and intended use of the instrument.

Chroma assumes no liability for the customer s failure to comply with these requirements. Doing so will cause a potential shock hazard that may bring injury to a person. FUSES Only fuses with the required rated current, voltage, and specified type normal blow, time delay, etc.

Do not use repaired fuses janual short-circuited fuse holders. To do so could cause a shock or fire hazard. Component replacement and internal adjustment can only be done by qualified service personnel. To avoid injury, uer of personnel, or damage to the instrument, the operator must refer to an explanation in the instruction manual.


This symbol indicates that the terminal must be connected to cyroma before operation of equipment. It calls attention to a procedure, practice, or the like, which, if not correctly performed or adhered to, could result in personal injury.

It calls attention to an operating procedure, cjroma the like, which, if not correctly performed or adhered to, could result in damage to or destruction of part or all of the products.

Operation Table of Contents 1. Here Load means the electronic load modules of Chroma series while Mainframe theelectronic load mainframes. The former has four slots for Load modules while the latter two slots. The mabual of,etc. The differences are in input voltage, load current, and power ratings. An individual module may have one or two channels. Figure The Front Panel of ueer Electronic Load On the front panel of the electronic load as shown in Figure there are two groups of keypads.

One is the Mainframe keypad. The other manuwl the Load keypad.

A/A Mainframe Rack Mount Kit: Chroma – Test Equipment Accessories and Cables

Configuration Flexible configuration using plug-in electronic load modules to mainframes. Local operation on front panel keypad. Photocoupler isolation to offer true floating Load. Automatic fan speed control to reduce noise. Up to 8 channels for one Mainframe. Programmable slew rate, load levels, load periods and conduct voltage Von. Programmable dynamic loading with speed up to 20KHz. Minimum input maual allows load to sink high current even with low input voltage 1 V.

Selective voltage and current ranges. All specifications are tested under 20 C 30 C except otherwise stated. The range of used temperature is 0 C 40 C. The specifications of DC current accuracy are tested after the input is applied for 30 seconds.

The typical temperature coefficient is ppm.

Chroma user manual

The specifications of CR mode accuracy: It discusses a turn-on check procedure and application considerations as well. Keep all packing materials in case that the Load or the Mainframe has to be returned.

If any damage is found, please file a claim with the carrier immediately. Do not return the instrument to Chroma without prior approval. In addition to this manual, be sure that the following items have also been received with your Mainframe and Load. Power Cord, Manual Load Module: Measurement and Load Cables 2. Use standard anti-static work practices when msnual handle and install modules.

Avoid touching the connector cyroma the circuit board. The Chroma Mainframe has uder for four single-width Loads, or two double-width Loads Loads can be combined in the Mainframe in any order. The Chroma mainframe has room only for two single-width Loads or one double-width Load. The procedures of the module installation in both Mamual are the same. Only the screwdriver is required in installing Load to Mainframe. Disconnect the power cord with croma Mainframe power off.

Remove any packing materials from the Mainframe. Start installing the modules in the slot see Figure Plug the load module into the slot of the Mainframe along the mankal. Lock the module in place crhoma use of the screwdriver see Figure Install each additional module in the slot next to the previous one likewise if applicable.


L for safety and airflow Channel Number The channel number of a specific Load is determined by the location of that module in relation to the farthest left side of Mainframe. Because some Load has two channels in one module, channel 1 and 2 are always on the farthest left slot of the Mainframe, and channel xhroma and 8 on the farthest right.

The manul number is fixed for Mainframe even Load module is empty. Channel number is automatically assigned to each channel: At this moment channel 2 and 4 are empty Mainframe has only four channels 1, 2, 3, 4. However, you must install the electronic Load in a location that has enough space at the top, four sides, and the rear of the unit for adequate air flowing through and escaping from the back.

You must leave at least 3 cm 1 inch space above the unit for adequate air circulation. Note that the feet of the unit have enough vertical space for air circulation when it is stacked.

The feet of the Mainframe can be removed for rack mounting. If you install equipment on top of your electronic Load in the cabinet, you must use a filter panel above the unit to ensure adequate air circulation.

If used factory set switch on this label does not correspond to your nominal line voltage, turn the Mainframe power off, and disconnect the power cord.

Set switch to the correct line voltage as shown in Figure Notice Line fuses do not need to be changed when the line voltage is changed.

The line fuses will The unit has been factory set to the correct line voltage. Mwnual to line voltage on the rear panel. The power cord is connected to the AC input socket. Be sure that your outlet is of three-conductor type with the correct pin connected to earth ground. Turn on the Load by the power switch on the front panel of the Mainframe and observe the display.

Immediately after turning on, the electronic Load executes a self-test which checks the GPIB interface board and the input circuitry of the installed modules.

All of the LED segments on the front panel are momentarily activated. The LED segment on the front panel are momentarily activated. When self-test completes, the Mainframe will display the active channel, which is installed. The Load module also executes a self-test that checks firmware and communication with Mainframe. All of the LEDs on the front panel are momentarily activated, and the 7-segment LED displays model number as well as firmware version.

If any error is found in self-test, the display will stick here. Check the Load and Mainframe connection when an error occurs. Before connecting load wires to Load module, remove the terminal cover from the Load. Install it after load wires are connected. The major considerations in making input connections are the wire size, length and polarity.