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Table of Contents
Related Manuals for BK Precision 8540
Summary of Contents for BK Precision 8540
- Page 1 INSTRUCTION MANUAL Model 8540 Model 8540 60V/30A/150W DC Electronic Load...
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Page 2: Safety Regulations
WARNING Safety Regulations To avoid electrical shock, do not open the cabinet. Refer servicing to qualified personnel only. To avoid injuries, always disconnect power, discharge circuits, and remove external voltage sources before touching components. KEEP AWAY FROM LIVE CIRCUITS. We cannot accept responsibility for any direct or indirect financial damage or loss of profit that might occur when using the electronic load. -
Page 3: Compliance Statements
Compliance Statements Disposal of Old Electrical & Electronic Equipment (Applicable in the European Union and other European countries with separate collection systems) This product is subject to Directive 2002/96/EC of the European Parliament and the Council of the European Union on waste electrical and electronic equipment (WEEE) , and in jurisdictions adopting that Directive, is marked as being put on the market after August 13, 2005, and should not be disposed of as unsorted municipal waste. -
Page 4: Initial Check
- Instruction manual Power Requirements The 8540 can operate on 110V AC or 220V AC line input. Before connecting the power cord to an AC outlet, make sure the voltage selector in the rear is set to the correct line voltage. Additionally, please check that you have the correct fuse inserted in the fuse box below the AC input receptacle. - Page 5 About the 8540 The B&K Precision 8540 DC electronic load (60V/30A/150W) can sink DC current in constant current, constant voltage, and constant resistance modes. Measured values have 10 mV and 1 mA resolution. Shorts can be simulated. Storage is provided for up to *40 groups, with 4 instrument setups per group.
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Page 6: Panel Layout
Panel layout Setup indicator Voltage display indicator Voltage or preset current, voltage or resistance value CC mode indicator Recall indicator Step B + memory B CV mode indicator Step A + memory A Short indicator CR mode indicator Step C + memory C 30A mode selector indicator Step D + memory D Shift indicator... -
Page 7: Quick Start
DC load and a wall power socket. Turn on the power to the DC load by flipping the power switch to “I” position. Set value Constant Current Mode 8540 Press the key to turn on the Mode... - Page 8 The On/Off On/Off programmed setting is not affected. The OFF LED will be lit when the load is off. 8540 Change the displayed values 150W DC Electronic Load Recall The electronic load usually displays the actual voltage and current values.
- Page 9 8540 Key sound (bEEP) 150W DC Electronic Load Recall View Press again to turn the key Short sound ON or OFF (bEEP). Use the rotary knob to make your selection. Shift Set address (Add) 8540 150W DC Electronic Load Recal...
- Page 10 Store Operation Shift Shift To save the load’s settings to a register (internal memory), press the A B C D (Save) keys. The LEDs will blink together. Press the View keys to save the settings to non volatile Mode Mode memory.
- Page 11 LIST mode (for firmware version 1.60 or above only) LIST mode is an added feature applicable for newer firmware versions of 8540, specifically version 1.60 or above. This feature allows users to program a list of sequence steps that may be useful in some automated test applications or Go/No Go type of testing.
- Page 12 Setup List Parameters Below is an example with step by step instructions on setting up a sequence using list modes. Step 1 – Select step number to 8540 150W DC Electronic Load program Recall Short If not already, boot the instrument...
- Page 13 Step 3 – Select step value 8540 150W DC Electronic Load Recall Select the data value you want Short programmed for the selected step. If you enter 0.000, this denotes the end of the sequence and it will stop on this step. The maximum...
- Page 14 Step 5 – Select upper limit of input 8540 150W DC Electronic Load voltage Recall Short This parameter is used to limit testing or test setups that must stay within a customized range of values. Change this value to the...
- Page 15 Step 7 – Select upper limit of input 8540 150W DC Electronic Load current Recall Short This parameter is used to limit testing or test setups that must stay within a customized range of values. Change this value to the...
- Page 16 Step 9 – Repeat step configurations Repeat steps 1-8, except in step one, select step number as an increment to the next step. Create a sequence of 5 steps with the following parameters: Steps Type Data Value Delay Time Upper Lower Upper Lower...
- Page 17 ON if it was already ON prior to entering the LIST menu. Otherwise, turning the power switch OFF will be the quickest and safest way to end the run. Error Condition 8540 150W DC Electronic Load Recall The upper and lower limit voltage...
- Page 18 Knob incremental values The following table shows the incremental changes in the set value when the knob is turned corresponding to which “cursor” LED is lit. Cursor Voltage Current Resistance Increment position Increment Increment Range Increment Range Increment 0.1-10 Ω 1 Ω...
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Page 19: Specifications
Specifications Parameter 8540 Input rating ( 0 - 40 ℃) Voltage 0 – 60 V Current 1 mA – 30 A Power 150 W Range Accuracy Resolution 0-10 V ±(0.05%+0.1%FS) 1 mV Load Regulation 0-60 V ±(0.05%+0.1%FS) 10 mV 0-3 A ±(0.1%+0.1%FS) -
Page 20: Service Information
Warranty Service Information Warranty Service: Please go the service and support section on our website www.bkprecision.com to obtain a RMA #. Return the product in the original packaging with proof of purchase to the address below. Clearly state on the RMA the performance problem and return any leads, probes, connectors and accessories that you are using with the device. - Page 21 Intentionally left blank...
- Page 22 22820 Savi Ranch Parkway Yorba Linda, CA 92887 www.bkprecision.com © 2008 B&K Precision Corp. China Printed in version 040811...