MDL - Datasheet
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1. ma 400 m 1101200 waw 505 ma MDL305 Voltage V Typical minimum operating voltage at full scale current modules can be configured to work independently MDL200 MDL252 MDL305 MDL400 MDL505 MDL600 V V 4 5 V 1 5 V 1 8 V Transient operation Transient operation enables the module to periodically switch between two load levels A power supply s regulation and transient characteristic can be evaluated by monitoring the supply s output voltage under varying combinations of load levels duty cycle and slew rate The MDL Series can simulate these conditions up to 25 kHz High Level Low Level Slew Rate T List mode Not limited to just switching between two levels list mode lets you generate more complex sequences of input changes with several different levels Up to 7 groups of list files can be saved in the mainframe Each list can contain up to 84 steps with a minimum width time of 20 us per step A Automatic test mode The MDL Series can execute multiple test sequences across all channels Sequences can be cascaded and each step can be programmed with upper and lower limit values When applied in automatic production testing you can easily judge whether the test parameters of your devices are within the specification limits and adjust your process according to the GO2. 2013 www bkprecision com BK PRECISION ELECTRONIC TEST INSTRUMENTS Modular Programmable DC Electronic Load MDL Series Front panel Bright VFD display Module panel keys Adjustment knob MDL600 MDL400 MDL252 BK PRECISION o se 0 90 E ES TN NIE PII TUM Mainframe PEE S osa function keys Numeric keypad Power switch 9099009009009900990990090909000009000900900900900009009000090090900090900099009000990990900090999009009900900090900099090900000000000090900090909090099000000990900099090909000909 Modules Mainframe A Rear panel GPIB interface Load input terminals RS 232 interface 2 i SS am nm mmn e nm e man LAN interface gt P2 SEES cm A Module Mainframe x mE current trigger 1 0 and E monitoring synchronization terminal on off control di USB interface Mainframe Module remote sense digital I O and analog current control terminal extension connector 2 www bkprecision com Modular Programmable DC Electronic MDL Series The tools you need High performance architecture Equipped with a high performance microprocessor in every mainframe and module the MDL Series programmable DC electronic load utilizes a parallel architecture that provides a high measurement speed Additionally a simultaneous load on off operation can be performed through the front panel analog control t
3. 0 W 600 W Resolution 10 mW Accuracy 0 2 96 0 2 96 ES Transient mode CC mode TI amp T2 20 us 3600 s Res 5 us 10 ms Accuracy 5 us 100 ppm Low 0 0001 0 25 A us 0 0001 0 2 A us 0 0001 0 1 A us 0 0001 0 25 A us 0 0001 0 1 A us 0 0001 0 25 A us Slew Rate High 0 001 2 5 us 0 001 2 us 0 001 1 A us 0 001 2 5 A us 0 001 1 A us 0 001 2 5 A us l MDL252 The user can allocate up to 250 W to either channel up to 300 W total e g 50 W 250 W 250 W 50 W 150 W 150 W 2 The slew rate specifications are not warranted but are descriptions of typical performance The actual transition time is defined as the time for the input to change from 10 to 90 or vice versa of the programmed current values In case of very large load changes e g from no load to full load the actual transition time will be larger than the expected time The load will automatically adjust the slew rate to fit within the range high or low that is closest to the programmed value 4 www bkprecision com Modular Programmable DC Electronic Load MDL Series Specifications MDL200 MDL252 MDL305 MDL400 MDL505 MDL600 Readback voltage Low 0 18 V Range High 0 80 V 0 80 V 0 500 V 0 80 V 0 500 V 0 80 V Low 0 1 mV 0 1 mV mV 0
4. 1 mV mV 0 1 mV Resolution High mV mV 10 mV mV 10 mV mV Accuracy 0 025 0 025 ES Readback current Low 0 4 A 0 3 A 0 3 A 0 6 A 0 3 A 0 12 A Range High 0 40 A 0 20 A 0 20 A 0 60 A 0 30 A 0 120 A Low 0 01 mA 0 01 mA 0 01 mA 0 1 mA 0 01 mA 0 1 mA Resolution High 0 1 mA 0 1 mA 0 1 mA mA 0 1 mA mA Low 0 05 96 0 05 96 ES 0 05 96 0 1 ES Accuracy High 0 05 96 0 05 96 ES 0 1 96 0 1 96 ES Readback power Range 200W 250W 300W 400 W 500W 600 W Resolution 10 mW Accuracy 0 2 0 2 ES Protection range OPP 200 W 250 W 300 W 400 W 500 W 600 W Low 4 4 3 3 3 3 6 6 3 3 13 2 High 44 A 22 22 66 A 33 A 34 A OVP 82 V 82 V 510 V 82 V 510 V 82 V OTP 185 F 85 General Short Circuit Low 4 3 3A 6A 3 A I2A Current CC High 40A 30 A 20 A 60 A 30 A 20 Voltage CV OV Resistance CR 25 mQ 50 mQ 220 mQ 25 mQ 180 mQ 15 Input Terminal Impedance 300 300 kQ MQ 300 MQ 300 Safety EN61010 1 2001 EU Low Voltage Directive 2006 95 EC Meets EMC Directive 2004 108 EC EN 61000 3 2 2006 EN 61000 3 3 1995 A1 2001 A2 2005 peut EN 61000 4 2 3 4 5 6 11 EN 61326 1 2006 Dimensions 3 2 x 7 2 x 22 6 82x 183 x 573 mm Weight I Ibs 5 kg Three Year Warranty www bkprecision com Modular Programmable DC E
5. Data Sheet Modular Programmable DC Electronic Load MDL Series The MDL Series is a multi channel modular programmable electronic load system Six different modules of programmable DC loads ranging in power from 200 W to 600 W provide users the flexibility to test a wide range of power sources from multi output AC DC power supplies to batteries fuel cells and photovoltaic arrays The mainframe has four slots that can be configured with any assortment of the modules up to 2400 W up to 4800 W with mainftame extension The high performance electronic load modules of the MDL Series are capable of operating in constant current CC constant voltage CV constant resistance CR constant power CW and constant impedance CZ oi 580 99 00 ijiossgl mode which uses DSP technology to simulate non linear loads and realistic loading behavior Easily edit the load s parameters such as voltage current slew rate and width via the front panel Increase productivity by saving your test parameters into any one of the 101 memory areas for quick system recall Additionally the MDL Series provides 16 bit resolution as well as numerous protection modes and a power on system self test to ensure the reliability of your testing For remote communication the MDL series provides LAN USBTMC compliant USB RS232 and GPIB standard interfaces that support SCPI command protocol Features and Benefits m Power range u
6. NG verdict www bkprecision com Modular Programmable DC Electronic Load MDL Series MDL200 MDL252 MDL305 MDL400 MDL505 MDL600 Input ratings Input Voltage 0 80 V 0 80 V 0 500 V 0 80 V 0 500 V 0 80 V Low 0 4 A 0 3 0 3 A 0 6 A 0 3 0 12 Input Current High 0 40 A 0 20 A 0 20 A 0 60 A 0 30 A 0 120 Input Power 200W 250W 300 W 400 W 500 W 600 W Channels l 2 l l l Minimum Low 0 10Vat4A 0 15 Vat 3 A 0 7V3t3A 0 15 Vat6 A 0 54 Vat 3 A 0 18Va3t I2A Operating Voltage High Vat 40A I Vat 20 A 4 5 V at 20 A 1 5 Vat 60 A 5 4 V at 30 A 1 8 Vat 120 A CV mode Low 0 18 V Range High 0 80 V 0 80 V 0 500 V 0 80 V 0 500 V 0 80 V Low mV Resolution High 10 mV Low 0 05 0 02 FS Accuracy High 0 05 0 025 FS CC mode Low 0 4 A 0 3 A 0 3 A 0 6 A 0 3 A 0 12 A Range High 0 40 A 0 20 A 0 20 A 0 60 A 0 30 A 0 120 A Low 0 1 mA mA 0 1 mA Resolution High mA 10 mA mA Low 0 05 0 05 96 ES 0 05 0 1 ES Accuracy High 0 05 0 05 ES 0 1 0 1 96 ES CR mode Low 0 05 Q 10 Q 0 05 Q 10 0 25 Q 10 Q 0 05 2 10 Q 0 2 Q 10 Q 0 2 Q 10 Q Range High 10 Q 7 5 Resolution I 6 bit Low 0 01 96 0 08 96 ES Accuracy High 0 01 96 0 0008 ES CW mode Range 200W 250 W 300 W 400 W 50
7. erminal or remote SCPI command This configuration allows the system to control modules synchronously and increases productivity in testing Powerful communication interfaces The MDL Series mainframe offers all the latest options to the user for remote communication Connect via GPIB Ethernet USB or RS232 to carry out data communication through SCPI and USBTMC standard communication protocols to control all your electronic load modules from a Low Voltage Operation Load Modular design With removable module design you can choose suitable load modules to modify the system according to your requirements This design allows for multiple channels and is ideal for testing several units especially power supplies with multiple outputs At the same time all load All load modules including the high power 500 W and 600 W modules can fit in one slot Unlike competitor models that require two slots for high power modules the MDL Series offers a one slot form factor for all modules Adjustable slew rate In constant current mode users can control the rate or slope of the change in current in a transient response test Set the slew rate to as slow as 0 0001 A us or as fast as 2 5 A us depending on the module and selected current range The MDL series can operate at low voltages for applications such as fuel cell and solar cell testing mw MDL600 o lt c 2
8. lectronic Load MDL Series Mainframe Specification Number of Operating Storage Slots Temperature Temperature 32 to 104 F 14 to 140 F 4 110 220 V 10 50 60 H Ind lt 95 10 to 60 C s i Note Applies to MDL001 mainframe and MDL002 mainframe extension Mechanical Specifications Dimensions W x H x D 175 X72 X2Z1 6 MDLOOI Mainframe 445 x 183 x 549 mm 34 Ibs 15 4 kg Mainframe 175 X72 x 21 6 MALOU Extension 445 x 183 x 549 mm 34 165 15 4 kg 32 X72 X 22 6 MDL200 Module 82 x 183 x 573 mm I 1 Ibs 5 kg 32 x 72 422 9 MDL252 Module I 1 Ibs 5 kg 32 72 22 6 MDL305 Module 11 Ibs 5 kg 242 72 X225 MDL400 Module 82 x 183 x 573 mm I Ibs 5 kg 292 X72 X 22 6 MDL505 Module 82 x 183 x 573 mm I 1 Ibs 5 kg 32 422 x220 MDL600 Module I Ibs 5 kg Standard Accessories Mainframes Power cord user manual mainframe extension cable MDLOO2 only Modules Certificate of calibration and test report Optional Accessories Rack mount kit IT E 153 for mainframes MDLOOI and MDLOO2 6 v041613 www bkprecision com
9. p to 2400 W m Voltage range up to 500 V Current range up to 120 CC CV CR CW CZ operating modes m Removable modules for easy system configurability m Support for up to 16 channels with mainframe extension m Operate identical modules in parallel mode for high current applications m Synchronous Load on off function m Standard LAN GPIB USB and RS 232 interfaces with USBTMC SCPI protocol support m Analog current control and monitoring m Transient mode up to 25 kHz m List mode sequence mode minimum 20 us step width with 84 user programmable steps Modules MDL200 MDL252 MDL305 MDL400 MDL505 MDL600 m Adjustable slew rate in CC mode Power 200W 250 W 300W 400 W 500 W 600 W m 16 bit voltage and current measurement Operating Voltage 80 V 80 V 500 V 80 V 500 V 80 V system providing high resolution of 0 1 mV Rated Current 40 A 20A 20A 60 A 30A 120A and 0 01 mA No of Channels 2 m Automatic test function 101 memory locations to save recall setting The MDL252 is a dual channel 250 W load module supporting a unique flexible power configuration The user can allocate up to 250 W to either channel up to 300 W total e g 50 W 250 W 250 W 50 W 150 W 150 W thus replacing many dual channel modules with fixed power distribution parameters Remote sense m OVP OCP OPP OTP and reverse voltage protection Technical data subject to change B amp K Precision Corp
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