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Avtech 14156, Инструкция по эксплуатации

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HIGH-VOLTAGE PRECAUTIONS

 

 

 CAUTION:

 This instrument provides output voltages as high as ±3000 Volts, so 

extreme caution must be employed when using this instrument. The instrument should 
only be used by individuals who are thoroughly skilled in high voltage laboratory 
techniques. The following precaution 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 when the instrument is turned off.

4. Keep in mind that all cables, connectors, oscilloscope probes, and loads must 

have an appropriate voltage rating.

5. Do not attempt any repairs on the instrument, beyond the fuse replacement 

procedures described in this manual. Contact Avtech technical support (see page
2 for contact information) if the instrument requires servicing.

6

Содержание 14156

Страница 1: ...ND RS 232 CONTROL SERIAL NUMBER 14156 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 avtechpuls...

Страница 2: ...all at its option repair or replace said defective item This warranty does not apply to units which have been dissembled modified or subjected to conditions exceeding the applicable specifications or...

Страница 3: ...96 EC WEEE 9 FIRMWARE LICENSING 10 INSTALLATION 11 VISUAL CHECK 11 POWER RATINGS 11 CONNECTION TO THE POWER SUPPLY 11 PROTECTION FROM ELECTRIC SHOCK 12 ENVIRONMENTAL CONDITIONS 13 LABVIEW DRIVERS 13 F...

Страница 4: ...AL INFORMATION 33 TOP COVER REMOVAL 33 RACK MOUNTING 33 ELECTROMAGNETIC INTERFERENCE 33 MAINTENANCE 34 REGULAR MAINTENANCE 34 CLEANING 34 WIRING DIAGRAMS 35 WIRING OF AC POWER 35 PCB 158R5 LOW VOLTAGE...

Страница 5: ...ay of the output amplitude pulse width pulse repetition frequency and delay The instrument includes memory to store up to four complete instrument setups The operator may use the front panel or the co...

Страница 6: ...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 when the instrument is turned off 4 Kee...

Страница 7: ...des including external trigger Sync output 3 Volts 50 ns will drive 50 Ohm loads Gated operation Synchronous or asynchronous active high or low switchable Suppresses triggering when active Connectors...

Страница 8: ...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 9: ...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 10: ...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 11: ...mal 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 p...

Страница 12: ...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 13: ...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 14: ...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 15: ...s Nominal Mains Voltage Rating Case Size Recommended Replacement Part Littelfuse Part Number Digi Key Stock Number 1 2 AC 100 240V 0 5A 250V Time Delay 5 20 mm 0218 500HXP F2416 ND 3 DC N A 1A 250V Ti...

Страница 16: ...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 be disabled again i e light yellow for another 5...

Страница 17: ...row pointer 10 If one of the adjustable 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 set...

Страница 18: ...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 When...

Страница 19: ...e parity setting It may be necessary to send a few return characters before attempting a login in order to provide enough data to allow this auto sensing to work A standard Linux agetty process is use...

Страница 20: ...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 21: ...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 22: ...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 23: ...therefore highly recommended that the unit be returned to Avtech for all repairs beyond the replacement of the rear panel fuses AUDIBLE HUM Note that when the amplitude or PRF or PW are increased the...

Страница 24: ...nt to the front handle ADPT1 ADAPTER KIT The ADPT1 adapter kit provides an SHV PLUG to MHV FEMALE adapter and an MHV MALE to BNC FEMALE adapter as shown below The two adapters may be used together to...

Страница 25: ...ements are easily replaced following the procedure described in a following section DO NOT EXCEED 1 kHz The output stage may be damaged if triggered by an external signal at a pulse repetition frequen...

Страница 26: ...E AMPLITUDES AS HIGH AS 3000 VOLTS b The TRIG output channel provides TTL level signals approximately 0 and 3V To avoid overdriving the TRIG input channel of some scopes a 20 dB attenuator may be requ...

Страница 27: ...the vertical setting at 50 V div and the horizontal setting at 100 ns div 2 Turn on the AVRH 3 B The main menu will appear on the LCD 3 To set the AVRH 3 B to trigger from the internal clock at a PRF...

Страница 28: ...is pointing at the amplitude menu item b Press the CHANGE button The amplitude submenu will appear Rotate the ADJUST knob until the amplitude is set at 1000V or 1000V for N models c Observe the oscil...

Страница 29: ...value This completes the operational check 29...

Страница 30: ...put For triggering a single event this sequence would be more appropriate rst resets the instrument trigger source hold turns off all triggering pulse width 500 ns sets the pulse width to 500 ns outpu...

Страница 31: ...that are not implemented in this instrument They can be ignored Keyword Parameter Notes OUTPut STATe boolean value PROTection TRIPped query only SOURce FREQuency CW FIXed numeric value SOURce PULSe PE...

Страница 32: ...5200 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 query only OPC SAV 0 1 2 3...

Страница 33: ...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 34: ...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 35: ...WIRING DIAGRAMS WIRING OF AC POWER...

Страница 36: ...PCB 158R5 LOW VOLTAGE POWER SUPPLY...

Страница 37: ...PCB 170C 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: ...PCB 94H ALARM BOARD...

Страница 40: ...PCB 104G KEYPAD DISPLAY BOARD...

Страница 41: ...MAIN WIRING POSITIVE UNITS P...

Страница 42: ...PERFORMANCE CHECKSHEET 42...

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