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98-100 ISSUE 8

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www.voltech.com

DC1000

PRECISION DC BIAS CURRENT SOURCE

USER MANUAL

Voltech Instruments, Inc.

Voltech Instruments, Ltd.

12851 Banyan Creek Drive

66 Innovation Drive, Milton Park

Fort Myers, FL 33908-3083

Didcot, OX14 4RQ

U.S.A.

U.K.

Tel: +1 (239) 437-0494

Tel: +44 (0) 1235 861173

Fax: +1 (239) 437-3841

Fax: +44 (0) 1235 861174

[email protected]

Thank you for choosing the Voltech DC1000. This quality
instrument will give you many years of reliable use. Should you
experience any difficulty during the set up or use of your Voltech
product, please do not hesitate to contact either your local supplier
or one of our main offices.

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Содержание dc1000

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Страница 2: ...3083 Didcot OX14 4RQ U S A U K Tel 1 239 437 0494 Tel 44 0 1235 861173 Fax 1 239 437 3841 Fax 44 0 1235 861174 sales voltech com Thank you for choosing the Voltech DC1000 This quality instrument will...

Страница 3: ...YOUR DC1000 S WITH AN IEEE 488 LCR METER NOT A VOLTECH AT SERIES PRODUCT 20 USING THE DC1000 WITH A VOLTECH AT3600 OR ATI AND OPTIONAL PC 21 AT COMPENSATION WITH MULTIPLE DC1000S 22 USING IR ILK HPDC...

Страница 4: ...98 100 ISSUE 8 4 CONNECTING THE EQUIPMENT 36 USING THE SOFTWARE 37 SPECIFICATIONS 43 EMC COMPLIANCE 45...

Страница 5: ...ccept legal liability for any inaccuracies contained herein Voltech has an intensive program of design and development that may alter product specification and reserve the right to alter specification...

Страница 6: ...lectric Shock Risk Please Note This equipment is supplied under warranty conditions in force at the time of purchase from your supplier Contact your supplier for details Any attempt to disable or modi...

Страница 7: ...7 CHECK YOUR LINE INPUT VOLTAGE SETTING BEFORE CONNECTING TO SUPPLY Fig 1 Use a flat headed screwdriver to pull the fuse drawer out Rotate the gray voltage selector to select the correct voltage for...

Страница 8: ...for any repairs that may be required Use fuses only of the type and rating 4 00A 5X20 T LAG HI BREAK VPN 66 052 The DC1000 has been constructed in compliance with the requirements of EN61010 1 Pollut...

Страница 9: ...1000 LPBX LSBX and ZBX WHAT CAN THE DC1000 DO FOR YOU The DC1000 is used to characterize wound components that are intended for use in high current DC power supplies and DC to DC converters It is used...

Страница 10: ...0 VPN 77 046 Also can be used for chaining the interlock system between DC1000s 1 x Handle Assembly This includes two handles and the fixing hardware needed to attach them to your DC1000 VPN 74 027 1...

Страница 11: ...leads 3 Display 4 character display to indicate the output current in Amps 4 Compliance LED Lights up to indicate an error The display will indicate the error number See the Status Numbers section in...

Страница 12: ...low the instrument to automatically regulate its internal temperature 4 Safety Interlock IN Connects to a safety device such as a light curtain When the connection is broken the DC1000 ceases to produ...

Страница 13: ...ing the DC1000 Your safety system should not allow the operator or near by workers to touch any dangerous part during testing A single safety device can control all the DC1000s in your chain Fig 24 in...

Страница 14: ...ected to Safety Interlock IN 3 of DC1000A 1 B If using more than one DC1000 then use a 9way 9way M F straight through lead 77 046 to connect Safety Interlock OUT 4 of DC1000A 1 to the Safety Interlock...

Страница 15: ...curtains from other manufacturers may also be suitable out part number 250 030 To construct a complete safety system you will need Voltech Safety Interlock Y lead 250 031 Voltech Safety Interlock Cab...

Страница 16: ...put is set to zero D Perform compensation on your LCR meter E Turn the DC1000 output off F Using the rotary encoder set your DC1000 output to the desired current G Turn the DC1000 output on H Adjustme...

Страница 17: ...of the inductor to connect the LO sides of both the DC1000s and the LCR meter Connect the 9 Way RS232 cable between the RS232 OUT of the first DC1000 in your chain and the RS232 IN of the second DC10...

Страница 18: ...6 Connect your computer s RS232 port to the RS232 IN port of the first DC1000 in your chain DC1000 1 using a 9 way male to 9 way female null modem cable see Accessories section of this user manual Con...

Страница 19: ...ser manual When using an LCR meter with RS232 communications capability connect the RS232 port of the LCR meter to the RS232 OUT port of the last DC1000 DC1000 2 in the Fig 7 in your chain using a nul...

Страница 20: ...of the first DC1000 in your chain DC1000 1 using a 9 way male to 9 way female null modem cable see Accessories section of this user manual When using an LCR meter without RS232 communications capabili...

Страница 21: ...00 NOTE See the RS232 communications section for information on USB to RS232 converters If you wish to use a PC to control your AT36 when you have a DC1000 hooked up to the auxiliary port attach the P...

Страница 22: ...st be installed on the AT being used As with all Voltech AT tests these are provided on a per AT basis so no matter how many DC1000s you have connected one test purchase will cover all DC1000s attache...

Страница 23: ...The surge voltage will effectively test the DC1000 not the winding and this may cause damage to your DC1000 AT TESTS LSBX INDUCTANCE WITH EXTERNAL BIAS SERIES CIRCUIT The inductance of a transformer w...

Страница 24: ...or V button but you may optionally enter it as a current by selecting the mA button If in doubt refer to the Test Conditions chapter of your AT user manual Note also that the measure button may be us...

Страница 25: ...er just a maximum value 5 Select OK The test specification will then be displayed in the program window LPBX INDUCTANCE WITH EXTERNAL BIAS PARALLEL CIRCUIT The inductance of a transformer winding whil...

Страница 26: ...may be used here as outlined in your AT user manual with the combinations of test parameter specification shown in the following table Option 1 Option 2 Option 3 Option 4 Signal Specified voltage Spe...

Страница 27: ...nter just a minimum value Enter just a maximum value 10 Select OK The test specification will then be displayed in the program window ZBX IMPEDANCE WITH EXTERNAL BIAS The Winding Impedance with Extern...

Страница 28: ...tion refer to the Test Program Editor of your AT manual 2 Select the integration time required Medium is the default setting Long will give more stable readings for tighter limits at the expense of ti...

Страница 29: ...98 100 ISSUE 8 29 Enter minimum and maximum values Enter just a minimum value Enter just a maximum value 5 Select OK The test specification will then be displayed in the program window...

Страница 30: ...the following USB to RS232 converters 1 USB Gear www usbgrear com part number USBG RS232 F12 2 Cables to Go www cablestogo com part number 26886 Both of these cables have been verified with the DC1000...

Страница 31: ...1000 the manner in which carriage returns and line feeds are sent differs In the below commands cr and lf are used to indicate the need for a carriage return or a line feed respectively A line feed ca...

Страница 32: ...rom 100 to 25000 If multiple units are connected together then the same current will be sent to each unit Messages returned The following messages will be returned Within 100ms an attached unit will r...

Страница 33: ...be returned READ THE SERIAL NUMBER Command D_SER lf Messages returned The following will be returned Serialnumber cr lf where serialnumber is the serial number of the DC1000 Serial number returned wi...

Страница 34: ...order to clear the error and try again the output must first be turned off If multiple errors occur either on the same unit or on other units in the chain then a combination of the status numbers wil...

Страница 35: ...es VPN 66 052 in addition to those supplied with your DC1000 please contact your local Voltech supplier The part numbers for the parts supplied with your unit are given in the section Packing List in...

Страница 36: ...ts VISA runtime engine which is required to run the PC software To install the software run setup exe from the folder to which the DC1000 zip files were extracted Follow the on screen instructions To...

Страница 37: ...s If you have selected an AT3600 or an ATi there will be only one connection item to fill in If you have selected to control an LCR meter via GPIB then the device will need to be selected In the examp...

Страница 38: ...le in Comms Set up with the Test Comms button pressed will return you straight back to the screen shown in figure 17 Step 3 Set up the bias current Next the minimum and maximum DC current needs to be...

Страница 39: ...ance measurement will be made For the ATi if you are using an LCR fixture then nodes 13 and 15 should be used Step 5 Run the test Before you run the test you need to decide whether you want to save th...

Страница 40: ...plication can be re started by clicking on the right facing Run arrow at the top left Step 6 View the results As the test runs the inductance measurements and the DC current will be added to each step...

Страница 41: ...ly or locked to the plot The button controls this Finally the cursor can be moved around using the arrow buttons To clear the results from both the results window and the graph window click on the Cle...

Страница 42: ...98 100 ISSUE 8 42 DC1000 software can be saved to an HTML file by selecting the name and destination of the file and clicking on Save html...

Страница 43: ...frequency Fig 17 should be used to determine the affect for a particular test Fig 23 Example Measuring the inductance of a 2 H inductor at 0 2V 100kHz Z 1 2566 0 2V i 159 155mA From fig 23 the error...

Страница 44: ...ty 10 to 80 RH non condensing Dimensions Height 88mm Width 475mm Length 255mm Weight 10kg Interfaces RS232 connection to ATi or AT3600 Transformer Testers Safety Interlock Protection for operators fro...

Страница 45: ...rwise without prior permission of Voltech Instruments Inc Voltech Instruments Inc 2016 Manufacturer s Name DECLARATION OF CONFORMITY Voltech Instruments Inc 11637 Kelly Road Fort Myers FL USA Signed f...

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