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1. controller to the GPIB porton the adapter gt AUNT y 4 Connecta USB cable from the Device port on the instrument to the Host port on the adapter HOO 6 oe pootitia OE DGCI F OO 2761 013 The resulting confguration should resemble that shown to the right DOD DOD 000 gun DOD 000 o 71900 2761 014 ATT 5 Setthe GPIB address on the power supply To do this frst push Shift and then Menu 1 6 Use the up and down arrow keys to select gt System 7 Push Enter 8 Use the up and down arrow keys to select gt Address 9 Push Enter PWS4205 PWS 4305 PWS 4323 PWS 4602 and PWS4721 User Manual 23 Operating Basics 10 Use the up and down arrow keys to select the desired GPIB address for the power supply 11 Push Esc to exit the menu system 24 PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Index Symbols and Numbers 110 V 220 V selector switch 12 12 pin connector 11 A Accessories optional 1 standard 1 B Button I set 7 Menu 8 On off 8 Recall 8 Save 8 V set 7 C Checkout current 6 no power 5 voltage 5 Connectivity GPIB 22 USB 21 Connector 12 pin 11 Connectors 7 Crossover 13 Current display 7 Current limit adjustment 14 D Display 7 Lower messages 10 Upper messages 102. F Features x Front panel 12 Front panel indicators and buttons 7 Function button l set 7 Menu 8 On off 8 Recall 8 Save 8 V set 7 I set button 7 Installation 4 K Key arrow 7 function 7 number 7 Save and Recall 7 Key Sound 17 Knob Lock Set 17 Multipurpose 7 L List Defne 18 Run 21 Local sense 17 Max Volt Set 15 Menu button 8 Messages 10 Multipurpose Knob 7 Knob lock 17 N No power 5 O On off button 8 Operating requirements 3 PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Index Operation current limit adjustment 14 recalling setups 14 saving setups 14 voltage limit adjustment 14 Optional accessories 1 Options 1 Output Display 7 Recall 16 Over Voltage Protection 15 OVP 15 P Power off 4 on 4 socket 11 switch 7 R Rear panel 11 Recall button 8 Remote sense 12 18 Requirements operating 3 S Safety Summary iii Save Button 8 Last 16 Saving and recalling setups 14 Setting current limit 14 voltage limit 14 Settings display 7 Shorting clip 12 Speciftations 2 Standard accessories 1 T TEK USB 488 Adapter 22 Troubleshooting 5 25 Index U V Voltage limit adjustment 14 USB Device port 11 V set button 7 Volts display 7 26 PWS4205 PWS 4305 PWS4323 PWS 4602 and PWS 4721 User Manual Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot c
3. 1 Push Shift and then Menu 1 Use the arrow keys to select gt User Push Enter Use the arrow keys to select Save Last Push Enter Use the arrow keys to select On or Off Push Enter o N O oP Push Esc to exit the menu system 16 PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Operating Basics NOTE The default selection is set to On Set the Key Sound This control can switch on or off the beeper that sounds when you push any button or press any key To enable or disable this feature 1 Push Shift and Menu 1 Use the arrow keys to se Push Enter Use the arrow keys to se Push Enter Use the arrow keys to se Push Enter o N O m e YS N ect gt User ect gt Key Beep ect On or Off Push Esc to exit the menu system NOTE The default selection is set to Off Lock the Multipurpose Knob To lock the multipurpose knob so it cannot be used to change settings or to select menu items 1 Push Shift and Menu 1 Use the arrow keys to se Push Enter Use the arrow keys to se Push Enter Use the arrow keys to se Push Enter an O A e o N Using Local Sense Confguring the power supply ect gt User ect Knob Lock ect On or Off Push Esc to exit the menu system for local sense allows connection to the device under test with two lead wires but does not compensate for voltage drop in the leads 1 On the rear panel termin
4. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located Customer shall be responsible for paying all shipping charges duties taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Tektronix supplies or d to service a product that has been modifed or integrated with other products when the effect of such modiftation or integration increases the time or difftulty of servicing the product THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCI
5. 5 A 1 channel USB PWS 4323 Programmable DC power supply 32 V 3A 1 channel USB PWS 4602 Programmable DC power supply 60 V 2 5 A 1 channel USB PWS4721 Programmable DC power supply 72 V 1 2 A 1 channel USB X PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Getting Started Standard Accessories Accessory PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 Power Supply User Manual available in 10 languages Contains safety and installation information Power Cord based upon the international power option Certiftate of calibration PWS4000 Linear Power Supplies Documentation Browser CD National Instruments LabVIEW SignalE xpress Tektronix Limited Edition Communications Software CD Version 2 5 1 Options and Optional Accessories Getting Started Tektronix part number 071 2761 XX to 071 2770 XX See page 1 Options and Optional Accessories 063 4282 XX 063 4253 00 For the current list of accessories upgrades and options available for your PWS 4000 Series Power Supply visit the Tektronix Web site www tektronix com Table 1 Standard accessories Tektronix part Accessory number PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 Power Supply Technical Reference 077 0480 XX in English Contains detailed information about the instrument including speciftations and how to verify performance Available for download from www tektronix com manuals PWS4205 PWS4305 PWS4323 PWS4602
6. Pollution that generates persistent conductivity through conductive dust rain or snow Typical outdoor locations PWS4205 PWS 4305 PWS4323 PWS 4602 and PWS4721 User Manual vij Compliance Information Pollution Degree Pollution Degree 2 as defined in IEC 61010 1 Note Rated for indoor use only Installation Overvoltage Category Descriptions Terminals on this product may have different installation overvoltage category designations The installation categories are Measurement Category IV For measurements performed at the source of low voltage installation m Measurement Category Ill For measurements performed in the building installation E Measurement Category Il For measurements performed on circuits directly connected to the low voltage installation m Measurement Category For measurements performed on circuits not directly connected to MAINS Overvoltage Category Overvoltage Category Il as defined in IEC 61010 1 vil PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Compliance Information Environmental Considerations This section provides information about the environmental impact of the product Product End of Life Handling Observe the following guidelines when recycling an instrument or component Equipment recycling Production of this equipment required the extraction and use of natural resources The equipment may contain substances that could be harmful to the environment or human he
7. Under certain circumstances powering the instrument from a mains voltage for which it is not configured can cause the mains fuse to open 3 Verify that the correct power line fuse is installed If the fuse is damaged replace the fuse for your power supply If you set the line selection to 110 V use a 5 A TH 250 V fuse If you set the line selection to 220 V use a 2 5 A TH 250 V fuse 4 If you need more help contact Tektronix Check the Output The following procedures check that the power supply develops its rated outputs and properly responds to operation from the front panel Voltage output check To verify basic voltage functions without a load follow these steps 1 D ey oS N Remove all leads from the output connectors Turn on the power supply Push Shift and Menu 1 gt Default Set should appear on the display Push Enter to bring up the default settings menu No and Yes should appear on the display Push the right arrow button to select Yes Push Enter to enable the default settings Push the front panel On Off button to enable the output The OFF message in the display should turn off and the CV display should turn on The upper line of the display should show the actual output voltage and current The lower line Should show the settings Check that the front panel voltmeter properly responds to the number keys Push V set use the number keys to set the voltage value to 0 and push Enter Check if the displayed
8. When shipped from the factory setup memories 1 through 40 are empty Save and recall setups as follows Saving setups 1 After you set up the power supply voltage and current limits and the protection menu settings push the Save button 2 Use the number keys or the arrow keys to select the setup memory 1 to 40 that you want to store the values in 3 Push Enter to confrm the memory location Recalling setups 1 Push Recall 2 Use the number keys or the arrow keys to select the setup memory that you want to recall from 3 Push Enter 14 PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Operating Basics Set the Maximum Voltage This control determines the maximum voltage that you can set using the V set control This can help keep accidental over voltage from being applied to sensitive loads To setthe maximum voltage follow these steps 1 NA m AA Of Push Shift and Menu 1 Use the arrow keys to select gt Protect Push Enter and turn the multipurpose knob one click clockwise Max Volt Set should appear on the display Push Enter Off default should appear Use the up and down arrows to select On Push Enter to turn on the maximum voltage feature Use the numeric keys or the arrow keys or multipurpose knob to change the voltage value The value must be less than the maximum voltage output noted on
9. fuse type and rating speciffd for this product Do not operate in wet damp conditions Do not operate in an explosive atmosphere Keep product surfaces clean and dry Provide proper ventilation Refer to the manual s installation instructions for details on installing the product so it has proper ventilation PWS 4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual jii General Safety Summary Terms in This Manual These terms may appear in this manual A WARNING Warning statements identify conditions or practices that could result in injury or loss of life N CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Symbols and Terms on the Product These terms may appear on the product m DANGER indicates an injury hazard immediately accessible as you read the marking m WARNING indicates an injury hazard not immediately accessible as you read the marking m CAUTION indicates a hazard to property including the product The following symbol s may appear on the product A A O JO CAUTION WARNING Protective Ground Earth Terminal Mains Disconnected Mains Connected Refer to Manual High Voltage Earth Terminal OFF Power ON Power a LU On Off iv PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Compliance Information Compliance Information This section lists the EMC electromagnetic compliance safety and environmental
10. on the display Push Enter to bring up the default settings menu No and Yes should appear on the display go PF O N Push the right arrow button to select Yes Push Enter to enable the default settings The default settings are Output On Off OFF m V Set 1 000V Set 0 1000A Knob Lock Off Trig Source Manual m OVP Set Off Max Volt Set Off Out Time Set Off Output Recall Off m Save Last On Key Beep Off PWS4205 PWS 4305 PWS 4323 PWS 4602 and PWS4721 User Manual 13 Operating Basics Port Mode Trigger RI Mode Off m DFI Source Off E Address 1 Setting the Current Limit You may set the current limit from 0 A to the maximum current value of each model The maximum current rating is shown on the instrument name plate 1 Push l set 2 Use the numeric keys and push Enter to set the current limit You can also use the up down right and left arrow keys or the multipurpose knob Setting the Voltage Limit You may set the voltage limit from 0 V to the maximum voltage rating shown on the instrument nameplate 1 Push V set 2 Use the numeric keys and push Enter to set the voltage limit You can also use the up down right and left arrow Keys or the multipurpose knob Save and Recall Setups You can store up to 40 different setups in setup memory locations 1 to 40 Each setup includes the set voltage limit the set current limit and the protection menu settings
11. voltage is set to 4 00 volts 13 Push Enter S 001 0 1000A PWS4205 PWS4305 PWS 4323 PWS 4602 and PWS4721 User Manual 19 Operating Basics 20 14 Use the keypad to set the current for this Step In the example to the right the current is set to 1 500 amps Push Enter Use the keypad to set the time duration for this step In the example to the right the duration is set to 0 100 seconds Push Enter Repeat steps 11 through 17 for each of the number of steps selected in step 10 above S 001 1 500A S 001 0 250 S S 001 0 100 S S 002 4 500 V Save List 1 PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Operating Basics 19 Push the up or down arrow buttons to gt Edit List select the number of the list to save the current list to In step 4 of this example you started by selecting list 1 Now you can save it in any of the 7 lists available to you 20 Push Enter to save the list NOTE Running a list does not turn the output channel on Before running a list be sure to set the appropriate voltage and current and turn the output on 21 Push Esc to exit the menu structure NOTE See the Programmer s Manual for instructions on programming the List Mode Function Run a List of Voltage and Current Steps To run a defined list of voltage and current
12. voltage value is approximately 0 V and check if the displayed current value is approximately 0 A You can confirm the 0 V setting with a voltmeter PWS 4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual 5 Getting Started 8 9 Push V set and use the numeric keys and Enter button to set the voltage value to the maximum allowable for your power supply as indicated on the unit s front panel Check if the displayed voltage value is approximately the same value as the voltage setting Current output check To verify the basic current functions with a short across the power supply output follow these steps 1 SS oo e O Remove all leads from the output connectors Turn on the power supply Push Shift and Menu 1 gt Default Set should appear on the display Push Enter to bring up the default settings menu No and Yes should appear on the display Push the right arrow button to select Yes Push Enter to enable the default settings Ensure that the output is disabled and the display OFF message is turned on If needed push the On Off button to ensure that the output is disabled and the OFF message is turned on Use an insulated test lead to connect a short across the and output terminals Use a wire size sufftient to handle the maximum current You should use at least a 22 gauge wire WARNING To satisfy safety requirements always use load wires heavy enough not to overheat when carrying the maximum s
13. 20 V selector switch on the bottom of the instrument 3 Connect the power cord that was provided with the instrument to the power connector on the rear panel Connect the power cord plug to a properly grounded electrical outlet 4 Push the power button on the front panel To power off the instrument push the front panel power button WARNING To satisfy safety requirements always use load wires heavy enough not to overheat when carrying the maximum short circuit output current of the power supply If there is more than one load then every pair of load wires must be capable of safely carrying the full rated current of the power supply 4 PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Getting Started What to Do if the Power Supply Does Not Turn On To solve problems you might encounter when turning on the instrument follow these steps 1 Verify that there is AC power to the power supply First check that the AC power cord is firmly plugged into the power connector on the rear panel of the power supply You should also make sure that the AC power source you plugged the power supply into is energized Then check that the power supply is turned on Verify the power line voltage settings Check that the line voltage selector switch on the bottom of the instrument is set to the proper value for your country 110 Vac or 220 Vac Change the voltage setting if it is not correct NOTE
14. 4721 User Manual Operating Basics Operating Basics Front Panel at a Glance Controls and display elements are shown in the following illustrations and tables Tektronix WS4323 Linear Powef Supply 32V 3A 96W CH Programmable Menu Ud ul el O 1 Display 2 Information about the output top row and settings bottom row for volts left column and current right column 3 Up down right and left arrow keys A and Y and Enter button 4 Multipurpose knob Rotate to increase or decrease digits or to select menu items 5 Output connectors 6 Save and Recall function buttons 7 Number keys 0 to 9 and Esc for direct numeric entry 8 V Set l Set Shift and Output On Off function buttons 9 Power switch Function button descriptions Button Description Sets the voltage limit Sets the current limit PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual 7 Operating Basics Function button descriptions cont Button Description Saves the present settings to a specifed setup memory location 1 to 40 Select the memory location with the multipurpose knob the up or down arrow keys or the numeric keypad The power supply saves the settings after you push Enter Recalls a saved setting from a specifed setup memory location 1 to 40 Select the memory location with the multipurpose knob the up or down arrow keys or the numeric keypad The power supply recalls th
15. DENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES W16 15AUG04 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Table of Contents Table of Contents General Sate SUMMAN isa A da AA as jii C mplance TOMAN i V EMCC OMPI coord a V Safety Complainte ceci Dd a ie a a a a ae ne vii Environmental onsidera lohs evocan a ia A E E Mua ENAN ERE N ix PlCTACC iri iicrechii ds maddened E E E E T E E E T X ROY F OES i isin ee NE EEE TOENE CERE E EE T EEE EEEE EE AE EEEN EEEE X Getin s tanted ra E E I E E O E A E EE A decaih 1 Standard ACCeSSONES iia a a A AA Ad 1 O ptions and O ptonal AcceSSONeS sonir vw cacsvevan sen a ta Dd i 1 o sve inira zap natin e stan talons cami inten a uae Gather pun E Dhan ni T a 2 Operating Requirements EE EE EOE EOE EOE En EEEE 3 metalnog Me Syor onserer r edr De clues eat tab ltd 4 CLEANING doi A AAA A AA Sou EA AA A 6 Operaling BASICS vivida ar dt A dica 7 Front Panel at da ts 7 Rear Panel ata Clic dla Ada 11 pon panel Opera A ia 12 Index PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Table of Contents i PWS4205 PWS 4305 PWS4323 PWS4602 and PWS4721 User Manual General Safety Summary General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it To a
16. MA 02176 TestEquipmentDepot com Menu descriptions cont Operating Basics Primary Menu Secondary Menu Description gt rotect gt Reset Protect Resets items in the Protect menu gt Max Volt Set Sets the maximum output voltage value to which you can Set the instrument gt OVP Set Turns the over voltage protection On or Off After you select On you can set the voltage threshold gt Out Time Set After you select On you can set a time period after which the power supply output will turn off gt Key Lock When activated this feature locks the front panel controls and prompts for a password to enable settings changes This feature does not lock the power switch or the output on off switch gt Edit List Recall 1 7 Recalls a list You can recall up to seven lists each with up to 80 steps Each step may contain a voltage value a current value and a time duration value You can then edit the list and save it in any of the seven locations gt User gt Reset User Resets items in the User menu gt Output Recall Sets the power output On Off state after power up On restores the state to that which was in use before the power was last turned off Off disables this function and confgures the output channel to power up on the off state NOTE Wait 3 seconds after changing the settings to allow the settings to be completely stored before powering off the instrument gt Sa
17. Max Power PWS4205 110 V 220 V 50 60 Hz For 110 V 5 A TH 250 V 350 VA For 220 V 2 5 A TH 250 V PWS4305 110 V 220 V 50 60 Hz For 110 V 5 A TH 250 V 500 VA For 220 V 2 5 A TH 250 V PWS4323 110 V 220 V 50 60 Hz For 110 V 5 A TH 250 V 350 VA For 220 V 2 5 A TH 250 V PWS4602 110 V 220 V 50 60 Hz For 110 V 5 A TH 250 V 500 VA For 220 V 2 5 A TH 250 V PWS4721 110 V 220V 50 60 Hz For 110 V 5 A TH 250 V 350 VA For 220 V 2 5 A TH 250 V Table 3 Environmental performance Parameter PWS4205 PWS4305 PWS4323 PWS4602 PWS4721 Temperature Operating 0 C to 40 C PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Table 3 Environmental performance cont Getting Started Parameter PWS4205 PWS4305 PWS4323 PWS4602 PWS4721 Humidity Operating 5 to 95 relative humidity RH at up to 40 C non condensing Altitude Operating 100 capability up to 2 000 meters Pollution Degree 2 For indoor use only Nominal Voltage Ratings There are two ranges for all models selectable by the line voltage selector switch Check the voltage select switch on the bottom of the power supply before turning it on 110 V setting 110 115 120 VAC 220 V setting 220 230 240 VAC Fluctuations must not exceed 10 of the nominal rated voltage Float Voltage Rating Float volta
18. ONNECT IN OUT ar OOF bee i 1 Cooling vents 2 Factory test port A CAUTION Unauthorized use of the factory test port could damage this product 3 USB Device port 4 110 V 220 V power connector 5 12 pin connector Includes remote sense The two Output Drive connectors are equivalent to the front panel output connector The two Output Drive connectors are equivalent to the front panel output connector The two Output Sense and connectors are used for remote sensing The two No Connect connectors on the rear panel terminal strip are unused The four Control In and Control Out connectors on the rear panel terminal strip are configured by the port mode controls They support the trigger RI DFI and digital 1 0 functions PWS 4205 PWS4305 PWS 4323 PWS 4602 and PWS4721 User Manual 11 Operating Basics 6 Shorting clip Use this for proper regulation when not using remote sense This connector comes installed It shorts the drive to the sense and the drive to the sense To use remote sense remove the clip 7 110 V 220 V selector switch Front panel Operation 12 Within a few seconds after powering on the power supply displays the actual voltage and current output value on the display s top line and the voltage and current settings on the bottom line You can enable or di
19. Test Equipment 99 Washington Street Depot Melrose MA 02176 Phone 781 665 1400 1 800 517 8431 Toll Free 1 800 517 8431 PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 Linear DC Power Supplies User Manual OOOO OOOO Tektronix 071 2761 01 Y PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 Linear DC Power Supplies User Manual www tektronix com 071 2761 01 Tektronix 7 Warranty Tektronix warrants that the product will be free from defects in materials and workmanship for a period of three 3 years from the date of original purchase from an authorized Tektronix distributor Ifthe product proves defective during this warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product Batteries are excluded from this warranty Parts modules and replacement products used by Tektronix for warranty work may be new or reconditioned to like new performance All replaced parts modules and products become the property of Tektronix In order to obtain service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix shipping charges prepaid and with a copy of customer proof of purchase
20. a strip install wires between DRIVE and SENSE and between DRIVE and SENSE You may also use the included shorting clip as shown earlier See page 11 Rear Panel at a Glance 2 Connectto your device under test using two wires from either the front panel binding posts or the rear panel DRIVE and DRIVE terminals PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual 17 Operating Basics Using Remote Sense Use remote sensing to regulate the output voltage at the device under test This feature lets you compensate for the voltage drop in the leads between the power supply front end terminals and the device under test To set the remote sensing mode 1 Remove any jumpers or shorting clip on the rear panel terminal strip connectors between DRIVE and SENSE and between DRIVE and SENSE 2 Connecta pair of sense leads from SENSE and SENSE to the device under test CAUTION To assure system stability use a jacketed twisted pair cable between the remote sense terminals of the PWS4000 and the load 3 Connecta pair of drive leads from the DRIVE and DRIVE to the device under test OUTPUT NO CONTROL DRIVE SENSE DRIVE CONNECT OUT OT A OT OT NF ERE E 2761 006 Load Device Under Test Define a List of Voltage and Current Steps The list feature lets you create up to seven sequences of steps
21. able of operating at or above 1000 volts no conductive part of the circuit may be exposed WARNING Use properly rated load wires All load wires must be heavy enough not to overheat when carrying the maximum short circuit output current of the power supply If there is more than one load then any pair of load wires must be capable of safely carrying the full rated short circuit output current of the power supply WARNING Do not loosen any screw on this product except those in the rear connector which are intended to retain attached external wires to the connector There are no user serviceable components inside PWS4205 PWS 4305 PWS 4323 PWS 4602 and PWS4721 User Manual Getting Started WARNING To reduce risk of fire and shock ensure the mains supply voltage fluctuations do not exceed 10 of the operating voltage range Installing the System This section contains information on how to install your PWS4000 power supply m Unpack the instrument and check that you received all the items listed as standard accessories Check that you also received any other accessories that you ordered with your instrument m Check the Tektronix Web site www tektronix com for the most current information To verify that the power supply is ready to use follow these procedures Powering the Instrument On and Off To power on the instrument follow these steps 1 Make all the connections 2 Properly set the 110 V 2
22. alth if improperly handled at the product s end of life To avoid release of such substances into the environment and to reduce the use of natural resources we encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately to Directives 2002 96 EC and 2006 66 EC on waste electrical and electronic equipment WEEE and batteries For information about recycling options check the Support Service section of the Tektronix Web X This symbol indicates that this product complies with the applicable European Union requirements according site www tektronix com Restriction of Hazardous Substances This product is classifed as Monitoring and Control equipment and is outside the scope of the 2002 95 EC RoHS Directive PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual IX Preface Preface Key Features The PWS4000 Series offer m Single output DC power m 3 year warranty m Linear regulation 0 03 Basic voltage accuracy m 0 05 Basic current accuracy m Less than 5 mV ripple and noise m 40 user defned setup memories m USB Device port on rear panel for PC connectivity and remote programming National Instruments LabVIEW SignalExpress TE Limited Edition Software for connecting your bench instruments together Model Description PWS4205 Programmable DC power supply 20 V 5 A 1 channel USB PWS4305 Programmable DC power supply 30 V
23. and PWS4721 Programmer Manual in English 077 0481 XX Contains detailed information about remote control of the instrument Available for download from www tektronix com manuals PWS4205 PWS 4305 PWS 4323 PWS 4602 and PWS4721 User Manual Getting Started Table 1 Standard accessories cont Accessory Tektronix part number Power Cord One of the following North America Option AQ The factory sets the 110V 220V selector switch to 110 V Universal Euro Option A1 The factory sets the 110V 220V selector switch to 220 V United Kingdom Option A2 The factory sets the 110V 220V selector switch to 220 V Australia Option A3 The factory sets the 110V 220V selector switch to 220 V Switzerland Option A5 The factory sets the 110V 220V selector switch to 220 V China Option A10 The factory sets the 110V 220V selector switch to 220 V India Option A11 The factory sets the 110V 220V selector switch to 220 V Brazil Option A12 The factory sets the 110V 220V selector switch to 220 V Tektronix GPIB to USB Adapter Enables GPIB control of Tektronix instruments through the TEK USB 488 USB port of Tektronix instruments Specifications For more speciftations refer to the PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 Technical Reference Table 2 Electrical ratings for the power connection Line Selector Model Switch Setting Frequency Fuse Rating
24. e settings after you push Enter Used to access secondary functions of the numeric keys For example when used with the L Menu button invokes the settings menu Navigate the settings menu with the up and down keys Push Enter to select the displayed menu item Output Turns on or off the output channel of the power supply The regulation mode constant voltage CV or constant current CC is shown on the display when the output is turned on Backs out of the selected function If the instrument s focus is in a menu pushing Esc will back up one menu level Shift button descriptions Button Keypad Description 1 Brings up the operation menus Turn the multipurpose knob or push the up or down buttons to scroll through the list of menus Push the Enter button to select which menu to use 2 Brings up the list selection Turn the multipurpose knob or push the up or down buttons to scroll through the various lists you can run 3 Generates a manual trigger event 7 Returns control from remote operation to local front panel control This operation generate a return to local message Menu descriptions Primary Menu Secondary Menu Description gt Default Returns the instrument to the factory default setup values This does not change the Set setup memory or lists PWS4205 PWS 4305 PWS4323 PWS 4602 and PWS4721 User Manual Test Equipment Depot 800 517 8431 99 Washington Street Melrose
25. each with a voltage level current level and time duration To define and save a sequence do the following Your actions The instrument displays 1 Push Shift and Menu 1 gt Default Set 2 Use the arrow keys to select gt Edit List gt Edit List 3 Push Enter Recall 1 4 Rotate the multipurpose knob to select Recall 1 the number of the list to defhe or edit You can choose from 1 to 7 5 Push Enter Continuous 18 PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Operating Basics 6 Use the up and down arrow keys to Continuous select Step or Continuous In continuous mode the supply will Trigger execute the entire sequence of steps as soon as it receives the next trigger signal The trigger source is determined by the system menu s trigger source item 2761 008 In step mode the supply will advance to Triggers each step only after it receives a trigger 2761 007 7 Push Enter Repeat 1 8 Use the keypad or multipurpose knob Repeat 2 to select the number of times to repeat the list In the example to the right 2 is used This means that the instruction will run through the list of steps two times before stopping 9 Push Enter List Steps 4 10 Rotate the multipurpose knob to select List Steps 3 the number of steps in the list In the example to the right 3 is used 11 Push Enter S 001 4 800V 12 Use the keypad to set the voltage for S 001 4 00V this step In the example to the right the
26. ge rating up to 100 V DC peak AC between earth ground and any output terminal Operating Requirements A WARNING To ensure proper cooling keep the front sides and rear of the instrument clear of obstructions A 1 Place the instrument on a bench or similar surface 2 Before operating ensure that the ambient temperature is between 0 C and 40 C 32 F to 104 F WARNING Observe all safety precautions listed in this manual before using this product and any associated instruments Although some instruments and accessories would be used with non hazardous voltages there are situations where hazardous conditions may be present This product is intended for use by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury Read and follow all installation operation and maintenance information carefully before using the product Refer to this manual for complete product specifications Before performing any maintenance disconnect the line cord and all test cables Operators of this instrument must be protected from electric shock at all times The responsible body must ensure that operators are prevented access and or insulated from every connection point In some cases connections must be exposed to potential human contact Product operators in these circumstances must be trained to protect themselves from the risk of electric shock If the circuit is cap
27. hort circuit output current of the power supply If there is more than one load then every pair of load wires must be capable of safely carrying the full rated current of the power supply 8 9 Push the On Off button to enable the output The CC message should be lit Push I set and use the numeric keys and Enter button to set the current value to 0 A Check if the displayed current value is approximately 0 A 10 Push I set and use the numeric keys and Enter button to set the current value to the maximum allowable for your current supply Check if the displayed current value is approximately the same value as the maximum allowable 11 Turn off the power supply and remove the short wire from the and output terminals Cleaning Inspect the power supply as often as operating conditions require To clean the exterior surface perform the following steps 1 2 Remove loose dust on the outside of the power supply with a lint free cloth Use care to avoid scratching the display Use a soft cloth dampened with water to clean the power supply Use an aqueous solution of 75 isopropyl alcohol for more effrient cleaning A CAUTION To avoid damage to the surface of the power supply do not use any abrasive or chemical cleaning agents CAUTION Avoid getting moisture inside the unit during external cleaning Use only enough cleaning solution to dampen the cloth or swab PWS4205 PWS4305 PWS 4323 PWS4602 and PWS
28. l from www tektronix com manuals a ooo DDO ODO ooo DUO 000 Do 7000 2716015 Connect to an External Computer with GPIB Follow these steps to connect the USB device port on your PWS4000 power supply to a GPIB IEEE 488 controller by using a Tektronix TEK USB 488 GPIB to USB Adapter 1 22 Apply power to your TEK USB 488 Adapter by connecting the host end of the USB cable to the USB Host port on the power supply and the device end of the USB cable to the USB Device port on the rear panel of the TEK USB 488 adapter Alternatively connect the output power cable from an optional AC power unit to the 5 VDC connector on the rear panel of the adapter i an gt ot ile s 00 2761 010 Er po D li m canoe wi em PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Operating Basics 2 Verify that the TEK USB 488 Adapter s Power LED lights and the USB and Svoc e Device yo Adapter Status LEDs turn on and then Payer da gt off GPIB o 1839 005 3 Connecta GPIB cable from the GPIB
29. n the off state Recall the Power Supply ON OFF Output State at Power On This parameter determines the On or Off output state after the power supply is powered on If you select On the power supply will restore the state of the output to that which was in use before the power was last turned off If the output was turned On when the power supply is turned off or loses power then the output will return to the On state when the power supply is turned back on or power is restored Off will disable this function and the output channel will always be set to Off after the power supply is powered on To enable or disable this control 1 Push the Shift and then the Menu 1 button Use the up and down arrow keys to select gt User Push Enter Use the up and down arrow keys to select Output Recall Push Enter Use the up or down arrow keys to select On or Off Push Enter en gt O Q PS S amp S P Push Esc to exit the menu system NOTE The default selection is set to Off Recall the Power Supply Operating Parameters at Power On This parameter determines whether the power supply saves its most recent settings such as voltage and current and restores these settings at power on If you set this parameter to Off then the power supply returns to the default settings at power on If you select On the power supply will restore the state to that which was in use before the power was last turned off To enable or disable this control
30. nd test equipment Canadian Certification mM CAN CSA C22 2 No 61010 1 2004 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 Additional Compliances m IEC 61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use Equipment Type Test and measuring equipment Safety Class Class 1 grounded product Pollution Degree Description A measure of the contaminants that could occur in the environment around and within a product Typically the internal environment inside a productis considered to be the same as the external Products should be used only in the environment for which they are rated Pollution Degree 1 No pollution or only dry nonconductive pollution occurs Products in this category are generally encapsulated hermetically sealed or located in clean rooms Pollution Degree 2 Normally only dry nonconductive pollution occurs Occasionally a temporary conductivity that is caused by condensation must be expected This location is a typical office home environment Temporary condensation occurs only when the product is out of service Pollution Degree 3 Conductive pollution or dry nonconductive pollution that becomes conductive due to condensation These are sheltered locations where neither temperature nor humidity is controlled The area is protected from direct Sunshine rain or direct wind Pollution Degree 4
31. nhibit RI mode In Latching mode a high to low transition 5 V to 0 V on the RI input will turn the output channel off In Live mode the output channel will turn off when the RI input is low 0 V and on when the RI input is high 5 V gt DFI Source Select the source of the Discrete Fault Indicator Select either Off QUES Question OPER Operation ESB Error Status Byte or RQS Request service If the power supply finds the selected condition it will generate a TTL high 5 V on the DFI output gt Address Select a GPIB address for use with the Tektronix GPIB to USB Adapter TEK USB 488 Upper display messages Symbol Description OFF The power supply output is off cV Constant voltage mode cc Constant current mode OVP upper OVP has tripped RI Output has been turned off by the remote inhibit RI input Lower display messages OVP lower Overvoltage protection OVP is set Flashes when OVP has tripped 10 PWS4205 PWS4305 PWS4323 PWS 4602 and PWS4721 User Manual Operating Basics Rear Panel at a Glance a a i of o C EEE ae a 7 OUTPUT o CONTROL DRIVE SENSE DRIVE C
32. om
33. power interruption are determined by user preference settings Under the factory default settings output voltage and current limit values will be restored to the previous settings but output state will be set to off Change the user preferences if restoration of previous output state upon restoration of AC input power is desired PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual V Compliance Information Australia New Zealand Declaration of Conformity EMC Complies with the EMC provision of the Radiocommunications Act per the following standard in accordance with ACMA m CISPR 11 2003 Radiated and Conducted Emissions Group 1 Class A in accordance with EN 61326 1 2006 Australia New Zealand contact Baker amp McKenzie Level 27 AMP Centre 50 Bridge Street Sydney NSW 2000 Australia vi PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Compliance Information Safety Compliance EC Declaration of Conformity Low Voltage Compliance was demonstrated to the following speciftation as listed in the Offtial J ournal of the European Communities Low Voltage Directive 2006 95 EC m EN 61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use U S Nationally Recognized Testing Laboratory Listing m UL 61010 1 2004 2nd Edition Standard for electrical measuring a
34. sable the output of the power supply from the front panel by pushing the Output On Off button When the output is off the OFF message will appear on the display to the right of the current and voltage values The display shows the present operating status of the power supply with display messages When the power supply operates in constant voltage mode the CV message displays When it operates in the constant current mode the CC message displays NOTE Ifthe front panel was locked with a password enter the correct password after you push the function buttons V set I set Save Recall or Shift then you can change the settings NOTE To cancel a function operation V set I set Save Recall or Shift push the Esc button PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual Operating Basics Configuring the Instrument for Your Application The menu system includes settings like OVP and Max Volt that determine the maximum voltage output of the power supply and settings like Save Last and Output Recall that determine how the instrument initializes itself upon power up This power supply features a constant voltage constant current automatic crossover This feature permits continuous operation in the transition from constant voltage mode to constant current mode as the load changes The intersection of the constant current and constant voltage modes is called the crossover point For example if the load is such tha
35. standards with which the instrument complies EMC Compliance EC Declaration of Conformity EMC Meets intent of Directive 2004 108 EC for Electromagnetic Compatibility Compliance was demonstrated to the following speciftations as listed in the Offrial J ournal of the European Communities EN 61326 1 2006 EMC requirements for electrical equipment for measurement control and laboratory use 123 CISPR 11 2003 Radiated and conducted emissions Group 1 Class A IEC 61000 4 2 2001 Electrostatic discharge immunity IEC 61000 4 3 2002 RF electromagnetic feld immunity IEC 61000 4 4 2004 Electrical fast transient burst immunity IEC 61000 4 5 2001 Power line surge immunity IEC 61000 4 6 2003 Conducted RF immunity IEC 61000 4 11 2004 Voltage dips and interruptions immunity 4 EN 61000 3 2 2006 AC power line harmonic emissions EN 61000 3 3 1995 Voltage changes flictuations and flcker European contact Tektronix UK Ltd Western Peninsula Western Road Bracknell RG12 1RF United Kingdom This product is intended for use in nonresidential areas only Use in residential areas may cause electromagnetic interference Emissions which exceed the levels required by this standard may occur when this equipment is connected to a test object For compliance with the EMC standards listed here high quality shielded interface cables should be used Output voltage current limit and output state upon restoration of AC input power after a
36. steps do the following 1 Set the output voltage to what you want it to be set at before running the list and push the Output On Off button to turn the output on 2 Select the list to run Push Shift and List 2 Select the list to use with the arrow keys keypad or multipurpose knob Push Enter The power supply will wait for a trigger to start executing the list The trigger source depends on the setting of the Trigger Source control 3 To run the selected list with a manual trigger push Shift and Trigger 3 4 To stop the list from running any more and to turn the output to off push Esc NOTE See the Programmer s Manual for instructions on programming the List Mode Function Connect to an External Computer with USB 1 Load VISA on your computer You can do this with the national Instruments OR LabVIEW SignalExpress CD that accompanies your power supply f PWS4205 PWS4305 PWS4323 PWS4602 and PWS4721 User Manual 21 Operating Basics 2 Connect the instrument to the computer with a USB cable The computer will then recognize the power supply as a USB device If National Instruments SignalE xpress is installed the computer will also give you the option of running that program For more information on loading and running SignalE xpress see the Connectivity Installation Manual on the PWS4000 Series Documentation Browser CD that accompanies your power supply You can also download a copy of this manua
37. t the power supply is operating in constant voltage mode the power supply provides a regulated output voltage The output voltage remains constant as the load increases until the preset current limit is reached Then the crossover occurs At that point the output current becomes constant and the output voltage drops in proportion to further load increases Crossover is indicated by the front panel CC and CV messages If the CV message appears the instrument is operating in constant voltage mode If the CC message appears the instrument is operating in constant current mode Crossover from the constant current mode to the constant voltage mode also occurs automatically in response to a decrease in load For example suppose you are charging a 12 V battery Initially the open circuit voltage of the power supply is preset for 13 8 V A low battery places a heavy load on the power supply and it operates in constant current mode You adjust the instrument to charge the battery at the rate of 1 A As the battery becomes charged and its voltage approaches 13 8 V the load decreases to the point where the battery no longer demands the full 1 A charging rate The power supply then crosses over to constant voltage mode Initializing to the Default Setup Use the default setup to get the power supply into a default initial state 1 Remove all leads from the output connectors Turn on the power supply Push Shift and Menu 1 gt Default Set should appear
38. the nameplate of the power supply Push Enter Push Esc to exit the menu system NOTE The default maximum voltage is the full voltage range of the particular power supply being used NOTE When you adjust the voltage value being set up to the maximum voltage limit the voltage setting flashes back at you Set the Over Voltage Protection Over Voltage Protection OVP will turn off the output and clamp the voltage on the output to below one volt if the instrument senses a voltage level above the threshold set for Over Voltage P rotection 1 Oo oe NS SP YS NN Push Shift and Menu 1 Use the arrow keys to select gt Protect Push Enter Use the up or down arrow keys to select gt OVP Set Push Enter Select On Push Enter Enter the desired OVP value with the numeric keypad arrow keys or multipurpose Knob Push Enter NOTE The lower display shows OVP when the over voltage protection feature is activated The OVP indicator will flash on and off when the over voltage protection feature has tripped PWS 4205 PWS4305 PWS 4323 PWS4602 and PWS4721 User Manual 15 Operating Basics Resetting the Power Supply after an Over Voltage Trip 1 Determine and remove the source of the over voltage Over voltage may be caused by setting the voltage limit too high external voltage sources or equipment failure 2 Push the Output On Off button to clear the OVP status This will put the power supply output i
39. ve Last Recalls the operating parameters of the power supply after power up It does this by saving the last setting of operating parameters before you turn the instrument off and then restoring the saved setting when you turn the instrument back on NOTE Wait 3 seconds after changing the settings to allow the settings to be completely stored before powering off the instrument gt Key Beep Turns on or off a beeper sound when you push a button or press a key On enables the key sound Off disables it gt Knob Lock Locks the multipurpose knob PWS 4205 PWS4305 PWS 4323 PWS4602 and PWS4721 User Manual 9 Operating Basics Menu descriptions cont Primary Menu Secondary Menu Description gt System gt Reset System Resets items in the System menu gt Port Mode Select Trigger RI DFI or Digital to select a type of digital port mode This uses the Control pins on the right side of the rear panel terminal strip Port Mode In Out Also set these menu items Trig Trigger In N A Trigger source RI DFI RI DFI gt RI mode gt DF source Digital 1 0 DI DO N A Use programmable interface commands gt Trig Source Select either Manual External Bus or mmediat to select a trigger mode using the rear panel port mode Use Trigger to step through steps in List Mode gt RI Mode Select either Off Latching or Live to configure the Remote I
40. void potential hazards use this product only as specifed Only qualified personnel should perform service procedures To Avoid Fire or Personal Injury Use proper power cord Use only the power cord specif d for this product and certifed for the country of use Use proper voltage setting Before applying power ensure that the line selector is in the proper position for the source being used Ground the product This product is grounded through the grounding conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe all terminal ratings To avoid fre or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product Power disconnect The power switch disconnects the product from the power source See instructions for the location Do not block the power switch it must remain accessible to the user at all times Do not operate without covers Do not operate this product with covers or panels removed Do not operate with suspected failures If you suspect that there is damage to this product have it inspected by qualifed service personnel Avoid exposed circuitry Do not touch exposed connections and components when power is present Use proper fuse Use only the
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