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Avtech AVR-8F-B-P-ADB1A, Инструкция по эксплуатации

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output stage for several seconds if an average power overload exists. After that time, 
the unit operates normally for a short time, and if the overload condition persists, the 
power is cut again. This cycle repeats until the overload is removed.

A second (faster) circuit actively reduces the output pulse width if the output current 
exceeds twice the rated maximum, approximately (i.e., 2 × 5A = 10A).

This instrument is intended for use in research, development, test and calibration 
laboratories by qualified personnel.

6

Содержание AVR-8F-B-P-ADB1A

Страница 1: ...943 A V T E C H E L E C T R O S Y S T E M S L T D N A N O S E C O N D W A V E F O R M E L E C T R O N I C S S I N C E 1 9 7 5 info avtechpulse com http www avtechpulse com Tel 888 670 8729 USA Canada...

Страница 2: ...ace said defective item This warranty does not apply to units which have been dissembled modified or subjected to conditions exceeding the applicable specifications or ratings This warranty is the ext...

Страница 3: ...ING 11 INSTALLATION 12 VISUAL CHECK 12 POWER RATINGS 12 CONNECTION TO THE POWER SUPPLY 12 PROTECTION FROM ELECTRIC SHOCK 13 ENVIRONMENTAL CONDITIONS 14 LABVIEW DRIVERS 14 FUSES 15 AC FUSE REPLACEMENT...

Страница 4: ...C POWER 34 WIRING OF DC POWER SUPPLIES 35 PCB 158R4 LOW VOLTAGE POWER SUPPLY 36 PCB 197H HIGH VOLTAGE POWER SUPPLY 37 PCB 183A S AND 183A P CAPACITOR BANKS 38 PCB 104F KEYPAD DISPLAY BOARD 1 3 39 PCB...

Страница 5: ...front panel Load menu or the output load computer command The output impedance ROUT the internal resistance in series with the output may be set to zero or 50 nominally If the output impedance is set...

Страница 6: ...dition persists the power is cut again This cycle repeats until the overload is removed A second faster circuit actively reduces the output pulse width if the output current exceeds twice the rated ma...

Страница 7: ...recautions should always be observed 1 Keep exposed high voltage wiring to an absolute minimum 2 Wherever possible use shielded connectors and cabling 3 Connect and disconnect loads and cables only wh...

Страница 8: ...be set by the instrument or it may be set to track the input pulse width Variable delay Sync to main out 0 to 1 0 seconds for all trigger modes including external trigger Sync output 3 Volts 50 ns wi...

Страница 9: ...g Also check that your load is adequately shielded It may be necessary to enclose the load in a metal enclosure If any of the connectors on the instrument are unused they should be covered with shield...

Страница 10: ...tion of conformity is issued under the sole responsibility of Avtech Electrosystems Ltd Specifically products manufactured do not contain the substances listed in the table below in concentrations gre...

Страница 11: ...9 have been made Requirements for WEEE compliance may include registration of products with local governments reporting of recycling activities to local governments and financing of recycling activiti...

Страница 12: ...rmal single phase supply CONNECTION TO THE POWER SUPPLY An IEC 320 three pronged recessed male socket is provided on the back panel for AC power connection to the instrument One end of the detachable...

Страница 13: ...erators are prevented access and or are insulated from every connection point In some cases connections must be exposed to potential human contact Operators must be trained to protect themselves from...

Страница 14: ...C decreasing linearly to 50 relative humidity at 40 C 5 Mains supply voltage fluctuations up to 10 of the nominal voltage 6 no pollution or only dry non conductive pollution LABVIEW DRIVERS A LabVIEW...

Страница 15: ...the fuses on the rear panel are shown in the figure below AC FUSE REPLACEMENT To physically access the AC fuses the power cord must be detached from the rear panel of the instrument The fuse drawer ma...

Страница 16: ...g Case Size Recommended Replacement Part Littelfuse Part Number Digi Key Stock Number 1 2 AC 115 V 1 6A 250V Time Delay 5 20 mm 021801 6HXP F2424 ND 230 V 0 8A 250V Time Delay 5 20 mm 0218 800HXP F241...

Страница 17: ...ay yellow i e output disabled for about 5 seconds after which the instrument will attempt to re enable the output i e light green for about 1 second If the overload condition persists the output will...

Страница 18: ...numeric parameters is displayed this increases the setting by a factor of ten 10 If one of the adjustable numeric parameters is displayed this decreases the setting by a factor of ten If one of the ad...

Страница 19: ...ng of the instrument This input can be either active high or active low depending on the front panel settings or programming commands The instrument triggers normally when this input is unconnected Wh...

Страница 20: ...olled A user name admin and a password default as shipped from the factory are required when logging into a serial terminal session The internal controller attempts to auto sense the parity setting It...

Страница 21: ...sitive value the SYNC pulse precedes the OUT pulse When the delay is set to a negative value the SYNC pulse follows the OUT pulse These pulses are illustrated below assuming internal triggering and a...

Страница 22: ...th approximately and the delay circuit is bypassed Figure D The delay pulse width and frequency when in the internal mode of the OUT pulse can be varied with front panel controls or via the GPIB or RS...

Страница 23: ...UT the output pulse width equals the pulse width of the trigger signal on the TRIG connector The instrument must be in the external trigger mode These modes can be selected using the front panel pulse...

Страница 24: ...alue using the front panel Load menu or the output load computer command OUTPUT IMPEDANCE The output impedance the internal resistance in series with the output is switchable between zero and 50 nomin...

Страница 25: ...d at a PRF exceeding 1 kHz or at duty cycles resulting in an average output power in excess of 5 Watts Heating and subsequent possible failure of the output stage is reduced if the following action is...

Страница 26: ...000V and an average power rating of 5 Watts The power dissipated in the resistor is given by P V2 R PW T V2 R PW f where V is the output voltage R is the load resistance PW is the pulse width and T is...

Страница 27: ...1 us Press the MOVE button until the arrow pointer is pointing at the delay menu item Press the CHANGE button The delay submenu will appear Rotate the ADJUST knob until the delay is set at 1 us The a...

Страница 28: ...de Press the MOVE button until the arrow pointer is pointing at the amplitude menu item Press the CHANGE button The amplitude submenu will appear Rotate the ADJUST knob until the amplitude is set at 2...

Страница 29: ...2 us volt 200 sets the amplitude to 200 V output on turns on the output For triggering a single event this sequence would be more appropriate rst resets the instrument trigger source hold turns off a...

Страница 30: ...o includes some commands that are not implemented in this instrument They can be ignored Keyword Parameter Notes OUTPut LOAD numeric value STATe boolean value IMPedance numeric value PROTection TRIPpe...

Страница 31: ...0 9600 19200 38400 57600 115200 ERRor NEXT query only COUNT query only VERSion query only TRIGger SOURce INTernal EXTernal MANual HOLD IMMediate CLS no query form ESE numeric value ESR query only IDN...

Страница 32: ...factory for repair Service is to be performed solely by qualified service personnel Caution High voltages are present inside the instrument during normal operation Do not operate the instrument with t...

Страница 33: ...es may require replacement All fuses can be accessed from the rear panel See the FUSES section for details CLEANING If desired the interior of the instrument may be cleaned using compressed air to dis...

Страница 34: ...ADBOARD B UNITS ONLY Chassisgroundpost G1 G2 B1 G4 G3 L N G X2 CORCOM6EGG1 2 POWERENTRY M ODULE 1 1b 1a 2 2b 2a X1 POWERSWITCH SW325 ND CW INDUSTRIES GRS 4022 0013 A1 BROWN A2 BLUE A3 BLACK A4 WHITE G...

Страница 35: ...WG BD1 PCB158R4 BLU G RN M OUNTWIT H1 2 ST ANDO FFS P1 N1 15000uF 35Vx 2 R1 R2 O NBOT T OM 1 8KO Y CHSGND R6 C APBAN KC HAR GE 22A Y ONT OP ST R AIGH T ENT H EL EA DST OMINIMIZ ET H EH EIGH T CH AN GE...

Страница 36: ...PCB 158R4 LOW VOLTAGE POWER SUPPLY...

Страница 37: ...PCB 197H HIGH VOLTAGE POWER SUPPLY...

Страница 38: ...D Mfg 7200 4 40 thread standoff 3 8 X8 HV WARNING X9 HV WARNING X11 HV WARNING R1 R2 R3 R4 R5 R6 1 2 J1 HV 1 2 J2 HV 1 2 J3 GND 1 2 J4 GND P1 P2 P3 N1 N2 N3 R7 R8 R9 R10 1 2 J5 HV 1 2 J6 HV 1 2 J7 GND...

Страница 39: ...2015 ddb Documents Panelbrd prj PANELTOP LEVELSCHEMATIC 1 2 3 4 5 6 7 8 9 10 J5 Amp 54999 10 1 10 pin straight head er I2C_INT SC L SDA GND VC C SINGLE PULSE BACKLIGHT ENCODER ENCODER S CH I2C_INT SC...

Страница 40: ...UST HAVE A IN P N VC C 1A 1B X2 82 101 71 1 b utton keypad 1 2 U4 A MM74HC 14N 11 10 U1 E MM74HC 14N SINGLE PULSE VC C VC C C1 0 2 2uF C1 1 2 2uF C1 2 2 2uF C9 2 2uF C7 2 2uF C6 2 2uF C1 2 2uF 3 4 U4...

Страница 41: ...DA SC L VC C VC C GND VC C VC C C5 0 1uF 1 2 U1 A MM74HC 14N 13 12 U1 F MM74HC 14N 5 6 U1 C MM74HC 14N PAD3 LED PAD4 LED X3 4 40 MOUNT X1 4 40 MOUNT X9 4 40 MOUNT X8 4 40 MOUNT 3 4 U1 B MM74HC 14N LC...

Страница 42: ...PLITUDE 0 10V 1 OFFSET 0 10V 2 PW 0 10V 3 SPARE 0 10V 4 O POL 5 O ZOUT PWRNG 6 O LOGIC 7 O SQU 8 O TRI 9 O SINE 10 O EA 11 O SPEEDUP RNG 12 AMPLRNG4 13 AMPLRNG3 14 AMPLRNG2 15 AMPLRNG1 16 AMPLRNG0 17...

Страница 43: ...PERFORMANCE CHECK SHEET 43...

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