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PROGRAMMING YOUR PULSE GENERATOR

KEY PROGRAMMING COMMANDS

The “Programming Manual for -B Instruments” describes in detail how to connect the 
pulse generator to your computer, and the programming commands themselves. A 
large number of commands are available; however, normally you will only need a few of
these. Here is a basic sample sequence of commands that might be sent to the 
instrument after power-up:

*rst

(resets the instrument)

trigger:source internal

(selects internal triggering)

frequency 1000 Hz

(sets the frequency to 1000 Hz)

pulse:width 1 us

(sets the pulse width to 1 us)

pulse:delay 2 us

(sets the delay to 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 all triggering)

pulse:width 1 us

(sets the pulse width to 1 us)

pulse:delay 2 us

(sets the delay to 2 us)

output on

(turns on the output)

volt 200

(sets the amplitude to 200 V)

trigger:source immediate (generates a single non-repetitive trigger event)
trigger:source hold

(turns off all triggering)

output off

(turns off the output)

To set the instrument to trigger from an external TTL signal applied to the rear-panel 
TRIG connector, use:

*rst

(resets the instrument)

trigger:source external

(selects internal triggering)

pulse:width 1 us

(sets the pulse width to 1 us)

pulse:delay 2 us

(sets the delay to 2 us)

volt 200

(sets the amplitude to 200 V)

output on

(turns on the output)

These commands will satisfy 90% of your programming needs.

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Summary of Contents for AVR-G5-B

Page 1: ...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 P O BOX 265 OGDENSBURG NY U S A 13669 0265 TEL 888 670 8729 USA Canada or 1 613 686 6675 Intl FAX 800...

Page 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...

Page 3: ...ENSING 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 FUSES 14 AC FUSE REPLACEME...

Page 4: ...S 33 WIRING OF AC POWER 33 PCB 158R4 LOW VOLTAGE POWER SUPPLY 34 PCB 235B HIGH VOLTAGE POWER SUPPLY 35 PCB 183A S AND 183A P CAPACITOR BANKS 36 PCB 228B OP AMP 37 PCB 287A TTL BUFFER 38 PCB 104F KEYPA...

Page 5: ...res front panel keyboard and adjust knob control of the output pulse parameters along with a four line by 40 character backlit LCD display of the output amplitude pulse width pulse repetition frequenc...

Page 6: ...e instrument to be remotely controlled using the VXI 11 3 ssh secure shell telnet and http web protocols In particular the VXI 11 3 features allows software like LabView to control an instrument using...

Page 7: ...ndles gray vinyl on aluminum cover plates Rack mount kit Optional Add R5 to the model number Temperature range 5 C to 40 C 1 B suffix indicates IEEE 488 2 GPIB and RS 232 control of amplitude pulse wi...

Page 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...

Page 9: ...under the sole responsibility of Avtech Electrosystems Ltd Specifically products manufactured do not contain the substances listed in the table below in concentrations greater than the listed maximum...

Page 10: ...ecycling activities to local governments and financing of recycling activities FIRMWARE LICENSING Instruments with firmware versions 5 00 or higher use open source software internally Some of this sof...

Page 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...

Page 12: ...ors 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 the...

Page 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...

Page 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...

Page 15: ...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 1 0A 250V Ti...

Page 16: ...tay 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...

Page 17: ...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...

Page 18: ...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...

Page 19: ...in 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 may be necessary to...

Page 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...

Page 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...

Page 22: ...LE PULSE pushbutton Hold Trigger the instrument is set to not trigger at all These modes can be selected using the front panel trigger menu or by using the appropriate programming commands See the Pro...

Page 23: ...50 the rise and fall times will degrade if cable lengths longer than 1 meter 3 feet are used on the output due to the cable capacitance The maximum usable cable length is 2 meters 6 feet LOAD IMPEDAN...

Page 24: ...Use the correct load impedance 100 k and 100 pF Keep output cable lengths to 2 meters 6 feet or less 24...

Page 25: ...at least 400V 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 the pulse period 1 frequency...

Page 26: ...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 arrow pointer should be pointing a...

Page 27: ...E 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 200V Observe the...

Page 28: ...urns on the output For triggering a single event this sequence would be more appropriate rst resets the instrument trigger source hold turns off all triggering pulse width 1 us sets the pulse width to...

Page 29: ...ue EXTernal DCYCle numeric value HOLD WIDTh DCYCle DELay numeric value GATE TYPE ASYNC SYNC LEVel HIgh LOw SOURce VOLTage LEVel IMMediate AMPLitude numeric value EXTernal PROTection TRIPped query only...

Page 30: ...Nual HOLD IMMediate CLS no query form ESE numeric value ESR query only IDN query only OPC SAV 0 1 2 3 no query form RCL 0 1 2 3 no query form RST no query form SRE numeric value STB query only TST que...

Page 31: ...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...

Page 32: ...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...

Page 33: ...PCB104D KEYPADBOARD B UNITS ONLY Cha ssisgroundpost G1 G2 B1 RED 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...

Page 34: ...PCB 158R4 LOW VOLTAGE POWER SUPPLY...

Page 35: ...PCB 235B HIGH VOLTAGE POWER SUPPLY...

Page 36: ...ND 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 GN...

Page 37: ...PCB 228B OP AMP...

Page 38: ...PCB 287A TTL BUFFER...

Page 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...

Page 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...

Page 41: ...A 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 D...

Page 42: ...ARE VPRF GA TE 2 4 V GN D TR IG AU X GN D VF NO C NC SW NO C NC AMP LAN OLIM EX 2 9 5 D BD4 PCB 295D CONN2 GATE CONN3 EXTTRIG CONN1 SYNC 24V NO OLO N5 N6 P5 P6 NOTUSED NOT USED 4 7K NOT USED 5K HORZ P...

Page 43: ...PERFORMANCE CHECK SHEET 43...

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