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Chroma 3300 User Manual

Automatic transformer test system
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Automatic Transformer Test System
3300/3302
User's Manual
Edition
September 2002
P/N A11 000320

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Summary of Contents for Chroma 3300

  • Page 1 Automatic Transformer Test System 3300/3302 User’s Manual Edition September 2002 P/N A11 000320...
  • Page 2 The information in this document is subject to change without notice. Chroma ATE INC. makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
  • Page 3 Any recommendations made by Chroma for use of its products are based upon tests believed to be reliable, but Chroma makes no warranty of the results to be obtained. This warranty is in lieu of all other warranties, expressed or implied, and no representative or person is authorized to represent or assume for Chroma any liability in connection with the sale of our products other than set forth herein.

  • Page 5: Table Of Contents

    Automatic Transformer Test System 3300/3302 User’s Manual Table of Contents 1. Introduction........................1-1 General ........................1-1 Brief Specifications....................1-2 Incoming Inspection.....................1-3 2. Specifications (15 ℃ 〜 ℃ ≦ 7 5%) ...............2-1 Measurement Functions ..................2-1 Test Signals......................2-2 Measurement Range.....................2-2 Measurement Accuracy..................2-3 Accuracy......................2-3 Correction Functions....................2-5 List Sweep (3302 only) ..................2-6...
  • Page 6 4.4.9 Pins Parallel Test Description ..............4-37 4.4.10 Pins Series Test Description ...............4-37 〝 〞 4.4.11 How To Set Up D EVIATION F unction ..........4-38 4.4.12 LCRZ Parameter Analysis. (3302 only)............4-39 4.4.13 Compare Test (3302 only) ................4-40 4.4.14 BIN SET (3302 only) .................4-40 4.4.15 Multi-frequency Scan Test (LIST SWEEP) (3302 only) ......4-41 4.4.16...

  • Page 7: Introduction

    The model 33xx is to enhance the working efficiency and products quality based on decade’s experience and efforts 33XX series including 3300, 3302. 3300 are transformer scan testing, 3302 is for transformer scan and single component test, for convientert, we call 33XX series.

  • Page 8: Brief Specifications

    Automatic Transformer Test System 3300/3302 User’s Manual Brief Specifications Measurement Parameter: ｜ ｜ △ △ First test parameters -- L, C, R, % , DCR, Turn-Ratio θ Second test parameters -- Q, D, R, （ ） Basic Accuracy : Basic 0.1%...

  • Page 9: Incoming Inspection

    Table 1-1 33XX Interface equipment RS-232 Printer Handler Memory Card Scanner DCA Bias 3300 Option 3302 Option Incoming Inspection Upon receipt of this instrument, please check the following items: (1) Any damages or scratches on the surface of the product.
  • Page 10 Automatic Transformer Test System 3300/3302 User’s Manual Table 1-3 Optional Accessories Item Part No. Quantity Remark Test box (1) 9 11000199 Test box Test box (3) 9 11000399 Test box SMD Test cable 9 13300399 SMD Test cable SMD Test box...

  • Page 11: Specifications

    Specifications ℃ 〜 ℃ ≦ Specifications (15 7 5%) Measurement Functions Measurement Parameters: ｜ ｜ : Absolute value of impedance ｜ ｜ : Absolute value of admittance : Inductance : Capacitance : Resistance : Dissipation factor : Quality factor : Equivalent series resistance : Parallel resistance : Reactance θ...

  • Page 12: Test Signals

    Automatic Transformer Test System 3300/3302 User’s Manual Measurement terminals: Four-terminal pair for L, C, R, ｜ ｜ , DCR. Six-terminal pair for Turn-Ratio. Integration Time: Fast, Middle and Slow. Test Signals Frequency: 3300,3302 : 20 〜 1 MHz Accuracy : ±...

  • Page 13: Measurement Accuracy

    Specifications Measurement Accuracy Measurement accuracy is specified when all of the following conditions are satisfied: (1) Warm-up time: ≧ 3 0 minutes (2) OPEN and SHORT corrections have been performed. Accuracy Within 1 year after factor calibration. ℃ ± ℃ Temperature : 23 Relative humidity...
  • Page 14 Automatic Transformer Test System 3300/3302 User’s Manual 4. R (ESR, EPR) Accuracy For Q ≦ 0 .1 Accuracy of R = Accuracy of ｜ ｜ ≧ If Q 0.1, multiply accuracy by (1+Q) Ω Ω 5. DCR Accuracy : ± (0.5% + 0.2m ) >...

  • Page 15: Correction Functions

    Specifications Correction Functions Zero open: Eliminates measurement errors due to parasitic stray impedances of the test fixture. Zero short: Eliminates measurement errors due to parasitic residual impedances of the test fixture. Load: Improves the measurement accuracy by using a working standard (calibrated device) as a reference.

  • Page 16: List Sweep (3302 Only)

    Automatic Transformer Test System 3300/3302 User’s Manual List Sweep (3302 only) A maximum of 9 frequencies or test signal levels can be programmed. Single or sequential test can be performed. Comparator Function (3302 only) Ten bin sorting for the primary measurement parameter, and IN/OUT decision output for the secondary measurement parameter.

  • Page 17: Installation

    Installation 3. Installation Ambient Environment (1).Don’t use the meter in a dusty or vibrating location. Don’t expose it under sunlight, or corrosive gas. Be sure that the ambient 〜 ℃ temperature is 0 a nd that the relative humidit y is below 85%. (2).The meter is equipped in the back panel with a fan-out cooling fan to keep from internal temperature increase.

  • Page 18: Fuse

    Automatic Transformer Test System 3300/3302 User’s Manual Fuse It has one fuse installed in rear panel, replace the fuse and please watch for. (1) Please turn off power and pull off power cord. (2) Fuse spec. AC 100V 〜 1 20V →...

  • Page 19: Panel Description

    Panel Description Panel Description Front Panel Description (1) LCD Display The resolution of this instrument display is 320x240 Graphic mode LCD, and including "cold CRT" back-light adjusting, so all the measurements and setting values can be shown clearly, and the functions of back-light and comparison can fit all different environments. (2) Guard This guard terminal directly connects the cover of test instrument, then connects to the isolation of this unknown component.
  • Page 20 Automatic Transformer Test System 3300/3302 User’s Manual (4) Secondary Turn-Ratio and Phase appropriate terminal 2 individual BNC sockets, in testing PH and turn ratio period connect an external test device or wire to transformer secondary side for unknown measurement. Sec(+) : voltage inspector terminal, high voltage.
  • Page 21 Panel Description (12) Clear/Help key Clear setting value key is to clear the values beside cursor. In the main function chart, help key is to assist user to select the fast functions key, for easy operation. (13) OPT/LOCK key This key is for special option, original special function is to lock the keys of the panel, when press this key on the top-right side of screen shows that keys are being locked, and if want to cancel this condition just press this key again.

  • Page 22: Rear Panel Description

    Automatic Transformer Test System 3300/3302 User’s Manual Rear Panel Description (1) Ground Terminal: This terminal connects the cover of this instrument directly, then connect to the ground to avoid exterior obstruction that makes instrument connection uncompleted and influenced the safety.
  • Page 23 Panel Description (6) Slot for interface: There are 5 signal controlled interface cards as following: Scan Interface card Handler Interface Card: Handler interface control signal as table 4-1 shown, when signal action, from open remit driver signal transmit to make Handle signal is Low, when not action is High. External lead signal max to 30V, positive voltage to start, and has enough rising resistance to limit the action signal (LOW), VEXT = +5V the max current 16mA.

  • Page 24: System Parameters Setting Description

    System Parameters Setting Description 4.3.1 System Configuration 1. The display shows Chroma’s name, phone no. fax no. model no. and programming version (around 2 sec.) after the main power of the unit is switch ON. At this stage, just key-in the model no and press [Enter]. For example: it is 33XX model, press [3][3][X][X][Enter].
  • Page 25 Panel Description Press [SYSTEM CONFIG] to start the system parameter setting screen as shown below: Press [NEXT PAGE.] to start the system parameter setting screen as shown below: Press [NEXT PAGE.] to start the system parameter setting screen as shown below: The display parameter described as following: CONTRAST: To adjust the light or dark of the display.
  • Page 26 Automatic Transformer Test System 3300/3302 User’s Manual BEEPER: To select the volume of the buzzer. The value is being set on "SMALL ". The selectors are "L(large) " and "S(small) ". The procedure is to move the cursor to the right of BEEPER by pressing and adjust it by pressing [L], [S] and [OFF].
  • Page 27 Panel Description CURRENT M.: (3302 only) To select whether the output voltage is shown on MEAS. Display of LCR testing. The value is being set on "OFF". The selector is "ON/OFF". The procedure is to move the cursor to the right of the CURRENT M. by pressing and adjust it by pressing [ON] and [OFF].
  • Page 28 Automatic Transformer Test System 3300/3302 User’s Manual The initial value is "00". There are 10000 choices. The way to control is to use the key beside the cursor, move it from the block to "delay time". Then press [ ] and [ ] to change it.

  • Page 29: System Time Setting Description

    Panel Description BIAS ENABLE: System has installed 1A bias current (option), if under the BIN SET mode for testing, it needs to switch BIAS ENABLE to "YES" status. Then BIN SET function will according to setup current for testing. TRIG. DELAY: When use with auto machinery, external trigger EXT will need to adjust trigger timing because of measuring speed and auto machinery ON speed must be matching.

  • Page 30: Recall The Data From The Memory

    Automatic Transformer Test System 3300/3302 User’s Manual 4.3.3 Recall The Data From The Memory 1. In the SYSTEM SETUP condition press [RECALL] to enter that recall the data which store in memory to use, now screen shows as below: When enter this screen then into the "RECALL MEMORY", at this time just press number key to input which item then press [Enter].

  • Page 31: Memory Management Instruction

    Panel Description Beware: The data of store is cover method, so input the item number then the original memory in that item will be covered by new data. 4.3.5 Memory Management Instruction At SYSTEM SETUP status, press number key [0] key to enter < MEMORY MANAGEMENT >...

  • Page 32: Scan Test Box (Box Test)

    Automatic Transformer Test System 3300/3302 User’s Manual When the display shows the following screen, please key in new supervisor password (max. 10 digital). Then press [Enter]. The display will show the screen for confirming new set password. Please key in the new supervisor password and press [Enter] to finish the setting.

  • Page 33: Print Testing

    Panel Description 4.3.9 Print Testing At SYSTEM SETUP status, press number key [4] to enter <PRINT TEST> display, as show: 4.3.10 RS-232 Setup At SYSTEM SETUP status, press number key [5] to enter <RS-232 SETUP> display, as show: 4-15...

  • Page 34: Operation Instruction

    Automatic Transformer Test System 3300/3302 User’s Manual Operation Instruction 4.4.1 Open Test After turn the instrument on and show every event is ok, press [Main Index] to enter main index, then press the key shows "OPEN" on the screen, as below:...
  • Page 35 Panel Description After finish the cable connecting, press [Trig] to start open test, it will show the condition of open test on the screen as below: If there is any wrong, the screen will show [OPEN FAIL], it mean the procedure of open test wrong, please check any break on the test cable or clips touch no good, after checking then operate it again as below the arrow head pointing : When open test is current, the screen will shows [OPEN PASS], the mean is open test finished,...

  • Page 36: Short Test

    Automatic Transformer Test System 3300/3302 User’s Manual 4.4.2 Short Test After turn the instrument on and show every event is ok, press [Main Index] to enter main index, then press the key shows "SHORT" on the screen, as below :...
  • Page 37 Panel Description After finish the cable connecting, press [Trig] to start short test, it will show the condition of short test on the screen as below: If there is any wrong, the screen will show [SHORT FAIL], it mean the procedure of short test wrong, please check any break on the test cable or clips touch no good, after checking then operate it again as below the arrow head pointing : When short test is current, the screen will shows [SHORT PASS], the mean is short test...

  • Page 38: Single Transformer Test

    Automatic Transformer Test System 3300/3302 User’s Manual 4.4.3 Single Transformer Test 1. The display shows Chroma’s name, phone no., fax no., model no. and programming version (around 2 seconds) after the main power of the unit is switch ON. 2. After turn the instrument on and show every event is ok, press [Main Index] to enter main index, then press the transformer testing function key shows "TRANSFORMER", it will show...
  • Page 39 Panel Description 4. When into this screen, press [TEST CONDITION] to enter the test setting screen, set each parameter are as below: There are some parameters as following: TURN : transformer turn ratio and phase test : transformer inductance test : transformer leakage inductance test : transformer DC resistance In single transformer testing do not offer BL, PS, Cx functions, just offer in...
  • Page 40 Automatic Transformer Test System 3300/3302 User’s Manual In show area the [DISP. MEAS.] and [DISP. JUDG.] are fast keys, press these two keys will directly enter the measurement screen, after modify one of the test can easy enter test screen, [DISP.
  • Page 41 Panel Description This setting item is to set the primary Leakage inductance parameter, the method of inpu t is as below: [ABS %] STD. : [1] [2] [0] [uH] [Enter] HIGH: [1] [5] [0] [uH] [Enter] LOW : [0] [Enter] The finished screen is as right figure, make sure all correct then press [Enter] to enter next setting.

  • Page 42: Test Fixture (Scan Box) Operation

    Automatic Transformer Test System 3300/3302 User’s Manual 4.4.4 Test Fixture (Scan Box) Operation 1. The display shows Chroma’s name, phone no., fax no., model no. and programming version (around 2 seconds) after the main power of the unit is switch ON.
  • Page 43 Panel Description The above operations are described as following: TRANSFORMER ID: __________….. Key in the DUT number. (the no. is the same as the saved no.). To key in the English letter by pressing [ ← → ] and [Start]. Then key in the numeric [0 …...
  • Page 44 Automatic Transformer Test System 3300/3302 User’s Manual The above parameters are described as following : TURN : Turn ratio & phase detector of transformer : Inductance testing of transformer : Leakage inductance testing of transformer : Pin stray capacity current testing of transformer : The transformer’s AC absolute resistance test...
  • Page 45 Panel Description The display shows as following by pressing [NEXT PAGE] on previous screen The above parameters are described as following : PRI: 1 : The first level pin setting. TRANSFORMER : Pin position of the transformer FIXTURE. : The pin of transformer on the fixture PHASING : The indicator of the pin phasing on the transformer PRIMARY...
  • Page 46 Automatic Transformer Test System 3300/3302 User’s Manual The above parameters are described as following : 1 - 2 : The primary turn 3 - 4 : 1…9 the secondary turn STANDARD : The standard value of each turn HI LIMIT.
  • Page 47 Panel Description Above parameters are described as following: 1 - 2 : The first level pin setting 3 – 4 : The secondary turn of the transformer STANDARD : The standard value of the each turn HI LIMIT. : The judgment of the Hi-Limit value LO LIMIT : The judgment of the Lo-Limit value Q LO LIMIT...
  • Page 48 Automatic Transformer Test System 3300/3302 User’s Manual Above is multi-sets testing. Press [Start] to return to single set testing. Above parameters are described as following: 1 - 2 : The first level pin setting 3 – 4 : The secondary turn of the transformer...
  • Page 49 Panel Description The screen below is for setting the DC CURRENT RESISTANCE judgment of the transformer. It is still a guidable operation what just following the method of the display to key in the testing parameter and finish it by pressing [Enter] to jump to next testing item. As above, by pressing [Enter] of the last item on each screen, the unit will jump to next setting screen automatically.
  • Page 50 Automatic Transformer Test System 3300/3302 User’s Manual Above parameters are described as following: NOMINAL VALUE : The standard of the balance testing BALANCE -- -- L1 : The primary turn for balance testing. BALANCE -- -- L2 : The secondary turn for balance testing ABS (L1 –...
  • Page 51 Panel Description If the user desire to change the setting on each back-light, the values may change by pressing key which under Cursor. When the display shows this screen which means the unit is under testing. For starting the testing, just put the DUT on the Fixture and press the [Start] key on the SCAN BOX. The testing value shows on the display and the value will be back-light if the DUT is no-good.

  • Page 52: Test Procedure Description

    Automatic Transformer Test System 3300/3302 User’s Manual Press [NEXT PAGE] to get the statistic screen of each testing result. 4.4.5 Test Procedure Description The test condition setting of transformer automatic scan is under the TEST CONDITION screen that is the STEP SEQ. key which located at the right side of display The above is this instrument default value from the factory, recommend not to change the value while general test, when want to change just move the cursor to modify order.

  • Page 53: Acr Setting Description

    Panel Description The above is this instrument default value from the factory, when want to change just move the cursor to modify. Notice: this function can be used under Lx, LK, Q testing, addition on to input the test conditions, the Lx, LK, Q should be opened then can test. 4.4.7 ACR Setting Description Under the test condition setting input the ACR test voltage and freq., then open this function.

  • Page 54: Zx. Setting Description

    Automatic Transformer Test System 3300/3302 User’s Manual 4.4.8 Zx. Setting Description Under the test condition setting input the Zx test voltage and freq., then open this function When this function has been opened, then the guidable operation will automatic enter each...

  • Page 55: Pins Parallel Test Description

    Panel Description 4.4.9 Pins Parallel Test Description Want to test the transformer Pin and Phasing setting must be under the test condition screen of the PIN AND PHASING SETTING, the setting is to move the cursor to the pins which need to be tested the multi-parallel test.

  • Page 56: How To Set Up 〝 D Eviation 〞 F Unction

    Automatic Transformer Test System 3300/3302 User’s Manual 〝 〞 4.4.11 How To Set Up D EVIATION F unction When users have their sample transformer to be a standard, the sample must has done the test of each test parameter data before to be a measured standard, then users can use deviation to error compensation function, the set up procedure as following: a.

  • Page 57: Lcrz Parameter Analysis. (3302 Only)

    Panel Description 4.4.12 LCRZ Parameter Analysis. (3302 only) 1. Turn the power on, the instrument shows every things OK, press [Meas Display] to enter the LCRZ component parameter test. 4-39...

  • Page 58: Compare Test (3302 Only)

    Automatic Transformer Test System 3300/3302 User’s Manual 4.4.13 Compare Test (3302 only) Turn the power on, the screen shows everything OK, press [Main Index] to enter the main index, at this time, please press the key shows which on the screen LIMITS as below : After press [LIMITS] key, the screen shows as below: 4.4.14...

  • Page 59: Multi-Frequency Scan Test (List Sweep) (3302 Only)

    Panel Description After press [BIN SET] key, the screen shows as below: 4.4.15 Multi-frequency Scan Test (LIST SWEEP) (3302 only) 1. Turn the power on, the screen shows everything OK, press [Main Index] to enter the main index. Please press Start ∕...
  • Page 60 Automatic Transformer Test System 3300/3302 User’s Manual PS: If LOAD ON. than LOAD set up NO ﹕ 1 to NO ﹕ 9 9 groups correspondence to LIST SWEEP test 1 〜 9 groups. than 1 〜 9 groups test vales LOAD NO: 1 〜...
  • Page 61 Panel Description When it enters the PLOT screen as shown above, press TRIG to do PLOT drawing. Press the Help key can enter the hidden function screen as shown below. Press X-GRIDs, Y-GRIDs, or VERNIER to enter the PLOT hidden function screen as shown below.

  • Page 62: Upload Calibration Explanation (3302 Only)

    Automatic Transformer Test System 3300/3302 User’s Manual 4.4.16 Upload Calibration Explanation (3302 only) 1. Turn the power on, the screen shows everything OK, press [Main Index] to enter the main index. Please press down display LOAD word correspond key, as show: When press down [LOAD] key, the display as show: Take upload device to DUT point, and control cursor &...

  • Page 63: 33Xx Fast Function Keys (Help Function)

    Panel Description 4.4.17 33XX Fast Function Keys (Help Function) Press [Main Index] key to enter main function menu, during this time if press Clear ∕ H elp, the LCD will display fast function keys of transformer testing, as shown as below. Selecting setting function number, LCD can immediacy display setting window.

  • Page 64: Low Impedance Measurement Application

    Automatic Transformer Test System 3300/3302 User’s Manual Abore diagram operate description as following: TEST WAIT TIME : __________…..The test wait time for each transformer. BIAS CURRENT : __________…..DCA setting 1. If Current Setting not set, DCA will use the result for testing value.

  • Page 65: Bias Current Source Connecting

    Panel Description Bias Current Source Connecting It can be connected with 1320, and control the current volume and ON ∕ O FF, connection please refer to 1320 manual of 5.3.3. Test Application 4.7.1 Large Inductance Measurement When measuring large L, after test DCR, transformer will remain some energy need to be clear, otherwise it will affect to next (Lx) test value, Therefore it needs to set delay time, 〝...

  • Page 67: Application Of Interface

    Application of Interface Application of Interface Transformer Automatic Scan Interface (Scan Box) 5.1.1 Description The Test Function About the application of transformer automatic scan test interface, must be with 3001A scan box use in automatic scan test fixture then can work prefect. This instrument can offer the test items LX, LK, Q, TURN-RATIO, VOLTAGE-RATIO, PHASING, CX, DCR, LX-BALANCE, DCR-BALANCE, PIN-SHORT…..etc.

  • Page 68: Scan Box Front Panel Description

    Automatic Transformer Test System 3300/3302 User’s Manual a. connect the power cord of 3001A to the AC output of 33XX rear panel as figure 5-1 (1) the arrow head pointed, do not connect to other terminal. b. connect the 36 pin twin head cable of the accessory to the 33XX rear panel (scan I/F) socket, another side connect to 3001A rear panel (scan I/F) socket as figure 5-1 the arrow head pointed.
  • Page 69 Application of Interface b. START(TRIG.) : The trigger model of test indicative light. AUTO : Automatic trigger model, when set parameter and set test differ time it means automatic trigger model, so this light will light when start to test. MANUAL : Manual trigger model, when set parameter and no set test differ time, it means manual trigger model, so this light will light when start to...

  • Page 70: Scan Box Rear Panel Description

    Automatic Transformer Test System 3300/3302 User’s Manual B. 3001A Scan Box START : Trigger control key, when press this key then operate the test acting. RESET : Reset the trigger control key, when press this key then stop all the test to return original preparing test condition.

  • Page 71: Scan Box Description

    Application of Interface d. Air control line socket (CYLINDER) This socket is to offer and control the air switch power, please connect the power cord of air switch to this socket. e. Foot switch socket (FOOT SWITCH CONTROL) It is a socket that control the scan box in the different way, please connect the power cord to this socket.

  • Page 72: Test Fixture (Scan Box) Description

    Automatic Transformer Test System 3300/3302 User’s Manual (4) ADJUSTING SPEED KNOB This knob is for adjusting the speed of the piston, can made cushiony to avoid shake, but not for long time, inside the plastic screw is for adjusting speed, external iron screw is for fixative.
  • Page 73 Application of Interface Press the key as above to enter the transformer automatic test function as below. Press the key as above to enter the transformer scan test function setting as below. When into this screen is entrance to the guidable setting operation, just press [Enter] then enter the setting of first item as below.
  • Page 74 Automatic Transformer Test System 3300/3302 User’s Manual PRIMARY : __________…..Enter the transformer primary winding number. 〜 The method of input is that press the number key (range 1 4 ), then press [Enter] to make sure and automatically change to next test item.
  • Page 75 Application of Interface Then press [Enter] to enter next setting screen as below: (test frequency and voltage). When into this screen is entrance to the setting of test parameter the same is still guidable operation, just according the block area on the screen and nu mber keys to input the test parameter, press [Enter] then automatically change to next setting item, use the same method till the last item on the same screen, press [Enter] then automatically change to next the setting screen of parameter.
  • Page 76 Automatic Transformer Test System 3300/3302 User’s Manual Then press [Enter] to enter next setting screen as below: (pin set) When into this screen is entrance to the pin of transformer and test fixture setting, the same is still guidable operation just according the block area on the screen and number keys to input the pin number, press [Enter] then automatically change to next pin setting item.
  • Page 77 Application of Interface After finish the pin numbers input, the screen is as below: Then press [Enter] to enter next setting screen as below: (TURN RATIO) When into this screen is entrance to the judgment setting of transformer turn-ratio and phase, the same is still guidable operation, just according the block area on the screen and number keys to input the pin number, press [Enter] then automatically change to next pin setting item use the same method till the last item of pin number on the same screen, press [Enter] then...
  • Page 78 Automatic Transformer Test System 3300/3302 User’s Manual After input the turns of each winding and high/low limit, the screen is below: Then press [Enter] then enter next setting screen as below: (INDUCTANCE) When into this screen is entrance to the judgment setting of transformer inductance and Q...
  • Page 79 Application of Interface The setting of Q value is the same as above. Ex.: the Q value on the each winding of transformer are following: Np(1 – 2) = 70, Min 50, N1(2 – 3) = 70, Min 50. the others do not test, then the input is as following: 1 –...
  • Page 80 Automatic Transformer Test System 3300/3302 User’s Manual After set the inductance of every windings and high/low limit, the screen is as below: Then press [ENTER] to into next setting screen as below : (LEAKAGE INDUCTANCE) The above figure is the leakage first test (single), but the leakage test of this instrument is...
  • Page 81 Application of Interface LK1(1 – 2) = 120 uH ± 10%, PIN 5,6,7,8,9,10,11,12, SHORT. LK2(3 – 4) = 120 uH ± 10%, PIN 5,6,7,8,9,10,11,12, SHORT. Test loop : series equivalence loop. Then the input is as below: Press the key [ABS%] beside the screen to make the [%] change to back -light. press the unit key [unit : uH ] beside the screen to change the unit to the mH.
  • Page 82 Automatic Transformer Test System 3300/3302 User’s Manual Use the forward key to move the block area to the pin input box of the transformer (2). and input : [7] [Enter] [8] [Enter] Use the forward key to move the block area to the pin input box of the transformer (3).
  • Page 83 Application of Interface Standard High-limit Low-limit (1 – 2) 7 5 0 m Ω 8 0 0 m Ω 7 0 0 m Ω (3 – 4) 7 5 0 m Ω 8 0 0 m Ω 7 0 0 m Ω (5 –...
  • Page 84 Automatic Transformer Test System 3300/3302 User’s Manual When into this screen is entrance to the judgment setting of transformer pin short, it is also guidable operation, just according the block area on the screen and number keys to input the...
  • Page 85 Application of Interface When into this screen is entrance to the judgment setting of transformer balance, it is also guidable operation, just according the block area on the screen and number keys to input the pin number, press [ENTER] then automatically change to next pin setting item, use the same method till the last item of pin number on the same screen, press [ENTER] then automatically change to next the setting screen of parameter.
  • Page 86 Automatic Transformer Test System 3300/3302 User’s Manual When into this screen is entrance to the judgment setting of transformer two items capacitance, it is also guidable operation, just according the block area on the screen and number keys to input the pin number, press [ENTER] then automatically change to next pin setting item, use the same method till the last item of pin number on the same screen, press [ENTER] then automatically change to next the setting screen of parameter.
  • Page 87 Application of Interface When set till here is finished, but on more the most important parameter has not been set yet, it is the automatic pin number change, please press [MAIN INDEX] to return the scan test setting screen, press [TEST SETTING] key to into the transformer pin setting screen, then press [.] key to enter the automatic pin change screen as below: Ex.
  • Page 88 Automatic Transformer Test System 3300/3302 User’s Manual when the instrument shows this screen, that means the instrument is ready to test, just put the unknown on the test fixture and press the key [ START] on the scan box, then sta rt to scan test, the measurement will be shown on the screen, if no-good value, the measurement will be in the block area, the result of scan test can know through the indication light on the scan box.
  • Page 89 Application of Interface After all the setting parameter finished, press the key [MAIN INDEX] can store data and into the first setting screen then press [TRANSFSORMER ID] to enter the screen of transformer number setting, press [STORE] to enter the data stored screen as below: Press [ENTER] key then store finished.

  • Page 91: Print(Option) Operational Procedure

    Print (Option) Operational Procedure PRINT(OPTION) Operational Procedure → → PS: At PRINT SETUP status, press Enter key to enter SETUP S ETTING S AMPLING → G RAPHICS setting content. User can change the setting step by step or change the setting directly from right hand side of 6 keys on the screen.
  • Page 92 Automatic Transformer Test System 3300/3302 User’s Manual Key in → [SET UP] key → Display More the CURSOR ↑ ↓ key select the setting data then key in SET FIELD explanation: (1) When 〝 S ET FIELD 〞 k ey was pressed, the unit will display as follows: →...
  • Page 93 Print (Option) Operational Procedure → Key in [SETTING] Display → Items that want to be printer out, can be chosen under TEST CONDITION. Under PRINT SETTING, it can be chosen whether the items want to be printed or not. Applied the cursor key to select the items which selected then using to enable it.
  • Page 94 Automatic Transformer Test System 3300/3302 User’s Manual Key in → [MEMORY] Display → Address : 0 〜 : 30sets for each address. 6.7.8. : 100 sets for each address. : 3600 sets for each address. → When key in [GRAPHICS] key, the following message will be display as follow.
  • Page 95 Print (Option) Operational Procedure When 〝 P RINT SETTING 〞 a nd 〝 P RINT SAMPLING 〞 m odes were selected, the printer will be print the datas at real time when 〝 P RINT STATUS 〞 s et at on. 〝...

  • Page 97: Handler Interface (Option)

    Handler Interface (Option) Handler Interface (Option) General If you have the HANDLER INTERFACE option, connect from the HANDLER INTERFACE on the rear panel to a handler. Connect the control lines to the handler. See Table 7 -1. As indicated in the specifications at the front of this manual. The output signal come from open-collector drivers that pull each signal line to a low voltage when that signal is active and let it float when inactive.

  • Page 98: Timing

    Automatic Transformer Test System 3300/3302 User’s Manual Timing Note : The meter requires that a non-zero value be entered for “nominal value” and the principal parameter is matched to enable the Handler outputs. Refer to the following figure for timing guideline. Notice the START must have a duration of lus(minimum) in each state (high and low).

  • Page 99: Rs-232C Control Interface

    RS-232C Control Interface 8. RS-232C Control Interface Overview The RS-232C interface used in this system is the standard defined by Electronic Industries Association in the United States. It is widely applied in microcomputer system, which can be used to control or transfer data. RS-232C Specification 8.2.1 RS-232C Interface Connector 8.2.2 Table of RS-232C Signal Line and Pin...

  • Page 100: Setting Baud Rate

    Automatic Transformer Test System 3300/3302 User’s Manual 8.3.1 Setting BAUD RATE Move the arrow keys to BAUD RATE and press the ↑ ↓ keys shown on LCD to change it. There are 150, 300, 600, 1200, 2400, 4800, 9600, and 19200 for selection with the default set to 19200 when shipped.
  • Page 101 RS-232C Control Interface *TRG Set group trigger BIAS:ON Set BIAS on Only valid when DCA card is connected BIAS:OFF Set BIAS off 〜 N3: 0.0 1 000.0 (mA) BIASIN3 Set BIAS test value BIASEN3 Set BIAS test value (external) N3: -100.0~+100.0 (A) CKIT:PARALLEL, Set to equivalent circuit parallel CKIT:PARA...
  • Page 102 Automatic Transformer Test System 3300/3302 User’s Manual resistance Parallel capacitance and PARA:CPRP Set the parameter to Cp-Rp parallel resistance Parallel capacitance and PARA:CPGP Set the parameter to Cp-Gp parallel conductance Parallel inductance and parallel PARA:LPGP Set the parameter to Lp-Gp...

  • Page 103: Data Output Format For 33Xx

    RS-232C Control Interface 〜 n = 0 1 59 Read the setting of set n 〜 n = 0 1 59 Write the setting of set n Enable the measurement cycle Disable the measurement cycle <Note>Every command has to use RedDrAgOn(ASCII) as the end character code. Data Output Format for 33XX 8.5.1 Transformer Output Format The measurement value of transformer has 509 Bytes and 33XX will output it automatically...

  • Page 104: Data Output Format For Lcr (3302 Only)

    Automatic Transformer Test System 3300/3302 User’s Manual AC resistance judgment 0: GO, 1: NG 〜 4 69 〜 AC absolute impedance 0: GO, 1: NG 4 79 judgment 〜 4 84 Winding balance test 0: NO TEST, 1: GO, 2: NG judgment 〜...

  • Page 105: Bias Scan Output Format

    8.5.2.2 BIAS SCAN Output Format The following format is only valid when this function is linked with the 1320 Overlap Current Generator that manufactured by Chroma, and under SWEEP BIAS DISP screen. The data has 52 bytes and outputs in string mode.

  • Page 106: Example Programs Of Rs-232C Interface Control

    Automatic Transformer Test System 3300/3302 User’s Manual Example Programs of RS-232C Interface Control The following two example programs are written in QBASIC. Example program 1 is for LCR SCAN (3302 only). Example program 2 is for transformer test. Before controlling, this...
  • Page 107 RS-232C Control Interface Description: ＝ Set the computer COM2 BAUD RATE 1 9200, parity check to NONE with word length to 8, also set COM2 to random access mode. Set the RS-232 of 33XX to on-line. 120, 130 Set the DELAY TIME Send the command to start test.

  • Page 109: Additional Description Of Memory Card

    Additional Description of Memory Card 9. Additional Description of Memory Card Additional description of data recall/save function in MEMORY CARD As the main memory on the main board is increased from 512K-Byte to 1M-Byte, the data recall and save in the memory card is varied as described below: Table 1: The sets available for recall/save for the MAIN BOARD in different MEMORY SIZE with different MEMORY CARD.

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