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Introduction 

2.1  Overview 

The LD-200P is a programmable high resolution load with digital 
button control for ease of operation. With a voltage range of 1-63 V 
and current range of 10 mA to 15 A, the LD-200P is the perfect all-
round electronic load. The LD-200P can operate in constant current 
(CC), constant voltage (CV), constant resistance (CR), and constant 
power (CP) mode and has a standard USB or RS-232 serial 
interface for remote communication. 

 

2.2  Features 

 

High resolution

 

(20

 

mV,

 

1

 

mA,

 

0.1

 

W,

 

0.1

 

Ω

)

 

 

9 sets 

of 

programmable memory

 

 

4

-

digit 

LED 

display

 

 

Voltage range: 1

~

63 V

 

 

Current range: 10

 

mA~

1

5

 

A

 

 

Maximum power: 

200

 

W

 

 

Operation mode

s

: constant voltage

 

(CV), constant current

 

(CC), constant power

 

(CP)

,

 

and constant resistance

 

(CR)

 

 

Built in USB/RS

-

232 interface

 

 

 

Over Voltage (OVP) & Over Current Protection (OCP)

 

Installation 

3.1  Initial Inspection 

This unit is tested prior to shipment. It is therefore ready for 
immediate use upon receipt. An initial physical inspection should be 
made to ensure that no damage has been sustained during 
shipment. 

Inspect the packing box on receipt for any external damage. If any 
external damage is evident, remove the instrument and visually 

Содержание LD-200P

Страница 1: ...1320 User Manual 200 W Programmable Electronic Load ...

Страница 2: ...stant Voltage Setting 9 5 2 Constant Current Setting 9 5 3 Constant Power Setting 9 5 4 Constant Resistance Setting 9 5 5 List Mode 10 5 5 1 Data Storage 10 5 5 2 Data Recall 10 5 5 3 Delay Time 10 5 5 4 Run List 10 5 6 Control from a PC 11 5 7 Output 12 6 Specifications 14 7 Maintenance 15 7 1 Preventative Steps 15 7 2 When the Unit is Not Turning On 15 7 3 Fuse Replacement 15 8 Service and Warra...

Страница 3: ...ion Without the protective ground connection all accessible conductive parts including control knobs can render an electric shock The power jack and mating plug of the power cable meet IEC safety standards DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE Do not operate the instrument in the presence of flammable gases or fumes Operation of any electrical instrument in such an environment constitutes a de...

Страница 4: ... attention to an operating procedure practice or condition which if not followed correctly could result in damage to or destruction of parts or the entire product WARNING Do not alter the ground connection Without the protective ground connection all accessible conductive parts including control knobs can render an electric shock The power jack and mating plug of the power cable meet IEC safety st...

Страница 5: ...S 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 Please utilize your local WEEE collection facilities in the disposition of...

Страница 6: ...mV 1 mA 0 1 W 0 1 Ω 9 sets of programmable memory 4 digit LED display Voltage range 1 63 V Current range 10 mA 15 A Maximum power 200 W Operation modes constant voltage CV constant current CC constant power CP and constant resistance CR Built in USB RS 232 interface Over Voltage OVP Over Current Protection OCP 3 Installation 3 1 Initial Inspection This unit is tested prior to shipment It is theref...

Страница 7: ...d 3 2 Input Power Requirements The instrument can operate on 120 V or 240 VAC source at 50 or 60 Hz The line selector plug on the rear panel allows you to select the line voltage Before connecting the power plug to an AC line outlet be sure to check that voltage selector plug is set in the correct position corresponding to the line voltage in your location and the fuse rating is as shown in the ta...

Страница 8: ...4 Product Description 4 1 Front Panel ...

Страница 9: ...ND BNC connector Ground terminal 11 CV Enter constant voltage mode 12 CC Enter constant current mode 13 CP Enter constant power mode 14 CR Enter constant resistance mode 15 0 9 Data input 16 Float point 17 Enter 18 LOAD button 19 Push to activate load and LED 20 Push again to turn off 21 SHIFT button Push to access the secondary functions 22 Auto Increase the setting value Auto Push SHIFT Auto to ...

Страница 10: ...anel Description Rear Panel 27 Heat sink Heat dissipation for power transistor 28 Ventilation fan 8 24 V DC fan 29 Power input socket 30 The input power voltage indicator 31 Fuse holder and input voltage selector ...

Страница 11: ...5 A Push CC 3 0 5 Enter If the input current is less than the set current value the LD 200P will pull down the input voltage until input current equals the set value or input power reaches 200 W 5 3 Constant Power Setting Push CP key in the power value and hit the Enter key to set the input power value For example to set the input power value to 110 W Push CP 1 1 0 Enter 5 4 Constant Resistance Se...

Страница 12: ... the settings from a location For example to have memory location 2 run for 30 seconds set the delay to 30 seconds and save this in location 2 First if you are showing a different memory location push SHIFT Recall 2 Enter to go to memory location 2 Then push SHIFT Delay 3 0 Enter Finally push SHIFT Store 3 Enter to save 5 5 4 Run List Push SHIFT Auto Enter key to automatically run through the sett...

Страница 13: ... Software is compatible with the following operating systems Windows 9X Windows ME and Windows XP Windows 7 32 bit only 2 Download the software from the LD 200P page on our website globalspecialties com See the DOWNLOADS tab 3 Browse to the copy of the software on your computer 4 Double click on the Setup exe file Follow the instructions on the screen to install the LD 200P Software 5 Browse to th...

Страница 14: ...or help with COM ports see the Help with COM ports document in the LD 200P web page DOWNLOADS 9 The computer will display the image shown below You can now control the LD 200P by your PC or on the front panel of LD 200P 5 7 Output The output by default is set OFF It will be reset to OFF on each startup a Click the Output ON to switch on the output b Click CV CP CC CR to select the operation mode ...

Страница 15: ...c Click the number panel to input the voltage you need 0 63 00V d Click Enter to activate the operation mode and the desired voltage on the LD 200P ...

Страница 16: ...0 5 10mA 1 100mA Resolution 10mA 1A 1A 15A 1mA 10mA Constant Power Range 1 200W Accuracy 1 0 2W Resolution 0 1W Constant Resistance Range 0 5 999Ω Accuracy 1 0 2Ω Resolution 0 1Ω Voltage Read back Accuracy 1 50mV Resolution 20mV Current Read back Accuracy 1 10mA Resolution 10mA Memory Save address 1 9 Timer Range 1 999999 sec Resolution 1 sec Fuse 115V 100 120V 1 0 A 230V 220 240V 0 6 A Protection...

Страница 17: ... service technician Clean and recalibrate the instrument on a regular basis to keep the instrument looking nice and working well Remove any dirt dust and grime whenever they become noticeable on the outside cover using a soft cloth moistened with a mild cleaning solution 7 2 When the Unit is Not Turning On Check if the power ON OFF switch is turned ON Check for blown fuse If not then check the pow...

Страница 18: ...pping charges prepaid within the warranty period Units returned to Cal Test Electronics that have been subject to abuse misuse damage or accident or have been connected installed or adjusted contrary to the instructions furnished by Cal Test Electronics or that have been repaired by unauthorized persons will not be covered by this warranty Cal Test Electronics reserves the right to discontinue mod...

Страница 19: ...d Repair If you have a need for any calibration or repair services please visit us on the web at globalspecialties com See the Service tab Or contact us via the Contact tab You may also contact us at Cal Test Electronics parent company of Global Specialties 22820 Savi Ranch Parkway Yorba Linda CA 92887 800 572 1028 or 714 221 9330 ...

Страница 20: ...20150319 ...

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