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3-6

ATE-DMG 020613

FIGURE 3-4. LOAD CONNECTION, METHOD II USING REMOTE ERROR SENSING.

3.2.4

LOAD CONNECTION, METHOD III

This method is suitable if step changes in the load are expected if, for example, the load is rap-
idly changing in value and maximum dynamic performance is expected directly at the load ter-
minals. In these cases, the output capacitor is disconnected at the power supply and brought
with a heavy, twisted-wire pair directly to the remote load (refer to Figure 3-5).

FIGURE 3-5. LOAD CONNECTION, METHOD III

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Содержание ATE 100-10DMG

Страница 1: ...ce in New York 718 461 7000 requesting the correct revision for your particular model and serial number 3 The contents of this manual are protected by copyright Reproduction of any part can be made on...

Страница 2: ......

Страница 3: ...USA Importer s Name and Address Type of Equipment Component Power Supply Model No PRODUCT MODEL NUMBER Year of Manufacture I the undersigned declare that the product specified above when used in conj...

Страница 4: ...wire grounded mains connection See wiring section of this manual for complete electrical wiring instructions EN61010 1 2001 Cl 6 10 1 4 This power supply has secondary output circuits that are conside...

Страница 5: ...connection on the product s rear panel To reconfigure the product input for other nominal mains voltages as listed herein the product must be modified by a trained service technician The PROTECTIVE E...

Страница 6: ......

Страница 7: ...of the Ate Power Supply 2 7 2 7 1 Precautions 2 8 2 7 2 Lag Network Adjustment 2 8 2 7 3 Crowbar Operation Fast Mode 2 8 2 7 4 Manual Change over Slow fast Mode 2 8 2 8 Operating Configuration 2 9 SE...

Страница 8: ...Digital Remote Mode Programming 3 19 3 6 1 IEEE 488 GPIB Bus Protocol 3 19 3 6 2 DCL Control 3 21 3 6 3 Changing the GPIB Address 3 21 3 6 4 Enabling Remote Analog Control 3 21 3 6 5 Programming Tech...

Страница 9: ...SAV Save Command A 3 A 13 SRE Service Request Enable Command A 4 A 14 SRE Service Request Enable Query A 5 A 15 STB Status Byte Register Query A 5 A 16 TRG Trigger Command A 5 A 17 TST Self Test Query...

Страница 10: ...e AMPlitude Query B 12 B 52 SOURce CURRent LIMit HIGH Command B 12 B 53 SOURce CURRent LIMit HIGH Query B 12 B 54 SOURce CURRent LEVel MODE Command B 13 B 55 SOURce CURRent LEVel MODE Query B 13 B 56...

Страница 11: ...NEXT Query B 19 B 85 SYSTem ERRor CODE Query B 20 B 86 SYSTem ERRor CODE ALL Query B 20 B 87 SYSTem KLOCk Command B 20 B 88 SYSTem KLOCk Query B 20 B 89 SYSTem LANGuage Query B 20 B 90 SYSTem LANGuage...

Страница 12: ...e Output Current and VP Crowbar Level Slow Mode 3 4 3 3 Load Connection Method I Local Error Sensing 3 5 3 4 Load Connection Method II Using Remote Error Sensing 3 6 3 5 Load Connection Method III 3 6...

Страница 13: ...7 3 4 Connector A11J5 Pin Functions 3 18 3 5 IEEE 488 GPIB Bus Interface Functions 3 20 3 6 IEEE 488 GPIB Bus Command Mode Messages 3 20 3 7 IEEE 488 GPIB Bus Data Mode Messages 3 21 3 8 Rules Governi...

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Страница 15: ...ATE DMG020613 ix FIGURE 1 1 ATE DMG SERIES PROGRAMMABLE POWER SUPPLY...

Страница 16: ...ix Blank x ATE DMG020613...

Страница 17: ...livered for slow mode operation See Section 2 par 2 7 for converting the ATE DMG power supply to fast mode operation A continuously adjustable overvoltage protection circuit is a built in feature The...

Страница 18: ...ed on 0 5mA load effect in FAST mode 3 For determining dynamic impedance in current mode TABLE 1 2 ATE DMG SERIES SPECIFICATIONS SPECIFICATION RATING DESCRIPTION CONDITION INPUT CHARACTERISTICS A C Vo...

Страница 19: ...perating Temperature 0 to 50 C Derate output power 10 at temperatures above 55 C Storage Tempera ture 20 to 70 C Humidity 0 to 95 RH Non condensing operating storage Shock 20g 11msec 50 half sine Non...

Страница 20: ...e power supply output responds to external programming signals is determined by a The PROGRAMMING TIME CONSTANT given in the slow mode by either the load resistance RL and the value of the output capa...

Страница 21: ...3mV 0 1 IO max 0 3 IO max Ripple and noise 2 5 Fast mode rms 1mV 3mV 4 0 01 IO max 0 03 IO max p p 3 10mV 30mV 4 0 1 IO max 0 3 IO max 1 For IO 50A load effect 2mA typ 5mA max in slow mode The output...

Страница 22: ...grammed settings V SET I SET OV SET and OC SET The saved setting can be recalled by specifying the memory location 1 6 3 USER DEFINED VOLTAGE CURRENT LIMITS The ATE DMG output can be programmed not to...

Страница 23: ...LINE DRAWING SHEET 1 OF 2 TABLE 1 7 SAFETY SYMBOLS SYMBOL MEANING CAUTION RISK OF ELECTRIC SHOCK CAUTION REFER TO REFERENCED PROCEDURE WARNING INDICATES THE POSSIBILITY OF BODILY INJURY OR DEATH CAUTI...

Страница 24: ...1 8 ATE DMG OPER 020613 FIGURE 1 2 MECHANICAL OUTLINE DRAWING SHEET 2 OF 2...

Страница 25: ...See Table 2 3 and Figure 2 3 TABLE 2 1 FRONT PANEL CONTROLS INDICATORS AND TERMINATIONS FIGURE 2 1 INDEX NO CONTROL OR TERMINATION FUNCTION 1 A C Power switch circuit breaker Serves as a c power switc...

Страница 26: ...2 2 ATE DMG 020613 FIGURE 2 1 ATE DMG FULL RACK SERIES FRONT PANEL...

Страница 27: ...ternal circuitry for fast mode conversion troubleshooting and parallel serial connections Can also be used with PC 12 connector wired for troubleshooting 3 Rear Panel Barrier Strip Nine terminals prov...

Страница 28: ...affect digital control of the output voltage and invalidate factory calibration refer Calibration Section 4 R18 lo MAX Maximum Output Current R27 Eo LAG Voltage Channel Stability Control R30 Eo ZERO V...

Страница 29: ...CTION ATE DMG FULL RACK SERIES TABLE 2 4 INPUT OUTPUT PIN ASSIGNMENTS FOR REMOTE CONTROL CONNECTOR PIN SIGNAL NAME FUNCTION IEEE 488 PORT 1 DI01 I O Line 2 DI02 I O Line 3 DI03 I O Line 4 DI04 I O Lin...

Страница 30: ...POWER switch set to off position connect the power supply to source power 2 With no load connected set POWER switch to the ON position Each time the unit is turned on and internal self test is perform...

Страница 31: ...ltage that can be supported between either output terminals and chassis ground is 500V d c or peak Either side of the output may be grounded A resistor capacitor network is connected from the negative...

Страница 32: ...each application by monitoring the load with an oscilloscope and turning the LAG control for best output response and maximum dynamic stability under all operating conditions 2 7 3 CROWBAR OPERATION...

Страница 33: ...MENU on the front panel keypad six times with the unit in command entry status The LCD top line reads ATE VVAA VV is Vmax AA is Imax e g for the ATE 100 10DMG top line reads 10010 The LCD bottom line...

Страница 34: ......

Страница 35: ...two or more points are grounded along the output cir cuit Due to the wire impedance between the separated grounded points a noise voltage is developed which subsequently is superimposed on the load T...

Страница 36: ...nticipate every conceivable application location or nature of the load The product must be designed for the widest possible application range and performance spec ifications at the output terminals of...

Страница 37: ...of the power supply Error Sensing cannot compensate for this These dynamic considerations are especially important if 1 The load is constantly changing in value 2 The load is switched on and off 3 Th...

Страница 38: ...ion 3 2 2 LOAD CONNECTION METHOD I LOCAL ERROR SENSING SEE FIGURE 3 3 The most basic power supply interconnection to primarily resistive relatively constant loads located close to the power supply or...

Страница 39: ...ed load wire may give improved results in some cases ATTENTION When using remote error sensing with large capacitive Ioads and long Ioad and sensing wires low frequency oscillations may be observed at...

Страница 40: ...in the load are expected if for example the load is rap idly changing in value and maximum dynamic performance is expected directly at the load ter minals In these cases the output capacitor is discon...

Страница 41: ...zes simulated crowbar action 4 With the DISABLE button still depressed press VSET key then use the keypad to enter the actual operating voltage and press ENTER key Release the DISABLE button NOTE This...

Страница 42: ...A command will not be accepted accompanied by brief audible buzz Enter new value the key erases data entered Press ENTER to accept new setting or CLEAR to exit without changing setting NOTE The blink...

Страница 43: ...rrent condition 3 4 7 MENU Command Entry Press to enter Menu commands press repeatedly to scroll through Menu functions 1 set LCD contrast 2 GPIB address 3 DCL Control 4 Speaker on off 5 Calibration p...

Страница 44: ...a Entry status any numbers entered are lost Restores Command Entry status 3 4 8 1 Data Entry Press to enter number 1 3 4 1 2 2 Data Entry Press to enter number 2 3 4 1 2 3 Data Entry Press to enter nu...

Страница 45: ...mber from 1 to 9 Press ENTER or CLEAR to exit menu 3 4 5 ENABLING DISABLING AUDIBLE BEEPS With the power supply in command entry status press MENU key three times The top line indicates if the speaker...

Страница 46: ...se keys control output current in CV mode they control output voltage The key has no effect after the maximum or programmed limit has been reached The key has no effect when the value is 0 If the valu...

Страница 47: ...ress ENTER Press ENTER again to exit the menu and return to command status If a value is entered that is higher than the rated maximum for the power supply the bottom line of the LCD flashes Vset or I...

Страница 48: ...the unit 3 4 15 1 CREATING OR MODIFYING A PROGRAM PROGRAM EDIT MODE Creating a program and modifying an existing program are identical except that a program mod ification requires only selected param...

Страница 49: ...R or CLEAR to menu 3 4 15 2 RUNNING A PROGRAM With the power supply in command entry status press RUN key The LCD bottom line indi cates the start address of the program Press ENTER key to run the pro...

Страница 50: ...inue to 14 then loop back to the location 05 and repeat indefinitely TABLE 3 2 MEMORY LOCATION WORKSHEET MEMORY LOCATION I SET Current A V SET Voltage V OCset Overcurrent Protection A OV set Overvolta...

Страница 51: ...rogram will now stop after memory location 14 is executed 3 4 15 7 STOPPING A RUNNING PROGRAM There are three ways to stop a program that is running Press CLEAR key the program immediately stops at th...

Страница 52: ...CTOR AND PIN LOCATIONS For further details about Preamp A and B go to www kepcopower com support and down load the Operator manual for ATE 1 4 Rack 1 2 Rack 3 4 Rack or Full Rack and refer to PAR s 3...

Страница 53: ...nforming to IEEE 488 2 for instruments used in an automatic test system The control bus used must be the IEEE 488 standard communication bus General Purpose Interface Bus GPIB Refer to Table 2 4 for i...

Страница 54: ...mode all front panel keys are disabled except LOCAL LOCAL key can be disabled using key pad lockout command see Appendix B PAR B 87 so that only the con troller or a power on condition can restore Lo...

Страница 55: ...rnal refer ence to control output voltage and current the feature must first be enabled either from the front panel see PAR 3 4 14 or by using the following commands and queries via the remote interfa...

Страница 56: ...PASCAL BASIC etc in accordance with the manufacturer s require ments for the particular GPIB controller card used Different programming languages e g BASIC C PASCAL etc have different ways of repre se...

Страница 57: ...y Each setting contains values for Current Voltage Overcur rent Overvoltage Next memory location and Time The range for the first four values is the maximum available range for the specific power supp...

Страница 58: ...s to calibrate voltage first and then current However you do not have to do a complete calibration each time If required you may calibrate only the voltage or the current and then proceed to saving th...

Страница 59: ...n ENABle val ENABle EVENt VOLTage CONDition ENABle val ENABle EVENt CURRent CONDition ENABle val ENABle EVENt SYSTem subsystem SYSTem ERRor NEXT CODE NEXT ALL PASSword CENAble code STATe CDISenable co...

Страница 60: ...UTP and TRIG The rules governing short form keywords are presented in Table 3 8 FIGURE 3 9 MESSAGE STRUCTURE TABLE 3 8 RULES GOVERNING SHORTFORM KEYWORDS IF NUMBER OF LETTERS IN LONGFORM KEYWORD IS AN...

Страница 61: ...r follows the last keyword e g VOLT and MEAS CURR 3 7 4 4 DATA Some commands require data to accompany the keyword either in the form of a numeric value or character string Data always follows the las...

Страница 62: ...message The root level keyword SOURce is an optional keyword Starting at the root there are various branches or paths corresponding to the subsystems The root keywords for the ATE DMG Power Supply ar...

Страница 63: ...ltage and programmed cur rent since the colon preceding curr indicates that curr is not part of the meas com mand and starts at the root UPPER case letters in mnemonics are mandatory short form Lower...

Страница 64: ...DEV6 defined by IBCONF bd ibfind GPIB0 Open GPIB card ibsic bd Send Interface Clear ibsre bd 1 Set remote line true strcpy dat_str VOLT 5 CURR 1 Define a set command strcat dat_str r n Append delimite...

Страница 65: ...oblems due to drift caused by heat dis sipation at higher power levels Kepco recommends the items listed in Table 4 1 NOTE Because the voltage measured will be used as reference for calibration the DV...

Страница 66: ...nt calibration 5 LCD reads CURRENT CALIB Enter 1 for current calibration see PAR 4 3 2 enter 0 to exit Calibration mode 4 3 1 VOLTAGE CALIBRATION NOTE Refer to Figure 2 3 for location of internal powe...

Страница 67: ...nitor DVM and use or keys to increase or decrease output voltage as necessary to get DVM reading as close as possible to value listed below without exceeding value listed NOTE If LCD reads CAN T ADJUS...

Страница 68: ...in non volatile mem ory If it is determined that a new calibration is erroneous the previous calibration values can be restored 1 If the unit is not in command entry status press CLEAR or RESET to put...

Страница 69: ...hole number 0 to 255 per Table A 2 Default Value 0 Description This command programs the standard Event Status Enable register bits The contents function as a mask to determine which events of the Eve...

Страница 70: ...re revision where Manufacturer KEPCO Model ATE V V AA V V is Vmax AA is Imax e g 100 10 or 6 100 Serial Number MM DD YY SSS MM month DD day YY year SSS serial number in that day Firmware revision n m...

Страница 71: ...pply to the power on default state The power supply is programmed to the power on values of the following parameters CURR LEV IMM 0 VOLT LEV IMM 0 CURR PROT LEV max overcurrent value see Table 1 2 VOL...

Страница 72: ...nown command will set command error Bit 5 ESR Returns 32 bit 5 set indicating Command Error has occurred since the last time the register was read IDN Power supply returns KEPCO ATE 100 10 082495 001...

Страница 73: ...n the trigger is armed checked by examining WTG bit in Status Operational Condition register TRG generates a trigger signal The trigger will change the output of the power supply to the output voltage...

Страница 74: ......

Страница 75: ...10 SOUR VOLT LEV IMM AMP B 62 B 63 CAL ZERO B 11 SOUR VOLT LEV TRIG AMP B 64 B 65 DIAG EXT B 12 B 13 SOUR VOLT LIM HIGH B 66 B 67 DISP CONT B 14 B 15 SOUR VOLT PROT LEV B 70 B 71 DISP MODE B 16 B 17 S...

Страница 76: ...15V current limit 3A VOLT 21 CURR 5E 2 Power supply output programmed to go to 21V current limit 0 05A MEAS VOLT If actual value of output voltage is 20 9V power supply returns 2 09E 1 MEAS CURR If a...

Страница 77: ...rrent Full Scale calibration are active This command is equivalent to the on the front panel left and right arrow keys for fine adjustment and the 1 and 3 keys for coarse adjustment Related Commands C...

Страница 78: ...ON password 4 digits required if boolean 1 or ON Description Sets the power supply to Calibrate status boolean 1 or ON causes power supply to enter Cali brate status boolean 0 or OFF causes power supp...

Страница 79: ...ser then connects or disconnects the shunt resistor or the digital voltmeter from the out put terminals of the power supply as required for the subsequent Voltage or Current calibration The next comma...

Страница 80: ...rm DISP TEXT DATA char_string Long Form DISPlay TEXT DATA char_string Description Allows entry of character string to be viewed when LCD display is set to Text mode Allows for character strings of max...

Страница 81: ...CONT Syntax Short Form INIT CONT Long Form INITiate CONTinuous Return Value 1 or 0 Description Determines whether continuous triggers are enabled or disabled Power supply returns value of INIT CONT f...

Страница 82: ...IST IND Sets time value from 0 01 to 300 in seconds for memory location selected by LIST IND A value of 0 means that this memory location will be skipped during the RUN command LOCal mode The time val...

Страница 83: ...cted by LIST IND Setting sequence number to 0 indicates the end of the pro gram chain and the programmed sequence will stop The sequence number is stored in non volatile memory and is retained when th...

Страница 84: ...uential voltage levels it is important to set the Overvoltage to accommo date the highest voltage of the sequence Otherwise when going from higher to lower voltage levels the overvoltage protection wi...

Страница 85: ...d to trip immediately upon detection of an overvoltage overcurrent condition or can be delayed approximately 8 seconds This delay is set in increments of 0 033 milliseconds If delay is programmed over...

Страница 86: ...ammed value of current Actual output current will depend on load con ditions The CURR MAX query returns the maximum current allowed for a particular model CURR Returns programmed current value CURR MA...

Страница 87: ...he current protection level can be programmed independently of the output current level Setting current protec tion to a value lower than the output current causes the current protection mechanism to...

Страница 88: ...URR TRIG Syntax Short Form SOUR CURR LEV TRIG AMP exp_value Long Form SOURce CURRent LEVel TRIGgered AMPlitude exp_value exp_value digits with decimal point and Exponent e g 2 71E 1 for 27 1 Descripti...

Страница 89: ...ed by VOLT TRIG command See example Figure B 1 B 66 SOURce VOLTage LIMit HIGH COMMAND VOLT LIM HIGH Syntax Short Form SOUR VOLT LIM HIGH exp_value Long Form SOURce VOLTage LIMit HIGH exp_value exp_val...

Страница 90: ...x Short Form SOUR VOLT PROT LEV MIN MAX Long Form SOURce VOLTage PROTection LEVel MIN MAX Return Value exp_value digits with decimal point and Exponent e g 2 71E 1 for 27 1 Description Identifies over...

Страница 91: ...75 STATus OPERation CONDition QUERY STAT OPER COND Syntax Short Form STAT OPER COND Long Form STATus OPERation CONDition Return Value int_value 0 to 1313 1 32 256 1024 Description Returns the value of...

Страница 92: ...UERIES NOTE The power supply is assumed to be operating in cV constant voltage mode STAT OPER ENAB 1056Mask enabled for CC WTG and bits STAT OPER ENAB Returns 1056 32 1024 CC WTG bits set STAT QUES EN...

Страница 93: ...e set The questionable summary bit is the log ical OR of all the enabled bits in the Questionable Event register Bit set to 1 function enabled active true bit reset to 0 function disabled inactive fal...

Страница 94: ...ly remains in local lock out until a SYST KLOC OFF command is received Related Commands SYST KLOCK See exam ple Figure B 8 B 88 SYSTem KLOCk QUERY SYST KLOC Syntax Short Form SYST KLOC Long Form SYSTe...

Страница 95: ...P OFF 150 String data error Command Error bit 5 Invalid characters were detected in numeric entry For example E 1 instead of E 1 or 4d3 instead of 4 3 203 Command protected Execution error bit 4 Comma...

Страница 96: ...e password state is enabled or a 0 if it is disabled B 94 SYSTem SECurity IMMediate COMMAND SYST SEC IMM Syntax Short Form SYST SEC IMM Long Form SYSTem SECurity IMMediate Description Initializes all...

Страница 97: ...nd troubleshooting com mands for KEPCO use only e g after sending SYST SET RLX the power supply will respond to the vda command by returning the value of the internal D A converter for voltage Sending...

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