Gw-instek GDS-200 Series Programming Manual Manual do Utilizador

Compact Digital Storage Oscilloscope and Digital Multimeter GDS-200 & GDS-300 Series PROGRAMMING MANUAL GW INSTEK PART NO. V1.01 ISO-9001 CER

GDS-200 & GDS-300 Programming Manual 10 5. After Realterm has started, click on the Port tab. Enter the Baud, Parity, Data bits, Stop bits an

GDS-200 & GDS-300 Programming Manual 100 :TRIGger:EDGe:SLOP Description Sets or queries the trigger slope. Syntax :TRIGger:EDGe:SLOP {RISe

COMMAND DETAILS 101 Related commands :TRIGger:TYPe Parameter NTSC NTSC PAL PAL SECam SECAM Return parameter Returns the video trigger type. Exam

GDS-200 & GDS-300 Programming Manual 102 Return parameter <NR3> Returns the video trigger line. Example :TRIGger:VIDeo:LINe 1 Sets the vi

COMMAND DETAILS 103 :TRIGger:PULSe:TIMe Description Sets or queries the pulse width time. Syntax :TRIGger:PULSe:TIMe {<NRf> | ?} Related

GDS-200 & GDS-300 Programming Manual 104 :TRIGger:ALTernate Description Sets alternating between source triggers on or off or queries its st

COMMAND DETAILS 105 System Commands :SYSTem:LOCK ...105 :SYSTem:ERRor ...

GDS-200 & GDS-300 Programming Manual 106 Save/Recall Commands :RECAll:SETUp ... 106 :

COMMAND DETAILS 107 <file path> Recall a file from the DSO internal disk. Example :RECAll:SETUp S1 Recalls setup setting S1 from memory. :

GDS-200 & GDS-300 Programming Manual 108 Example 2 :RECAll:WAVEform "Disk:/DS0005.CSV", REF1 Recalls the waveform from the DS0005.CSV

COMMAND DETAILS 109 Related commands :SAVe:IMAGe Parameter PNG Sets the file format to PNG BMP Sets the file format to BMP Return parameter Retur

INTERFACE OVERVIEW 11 6. Click on the Send tab. In the EOL configuration, check on the +CR and +LF check boxes. Enter the query: *idn? Click on

GDS-200 & GDS-300 Programming Manual 110 :SAVe:SETUp:NOTE Description When a setup file is saved, this command saves a note (*.TXT) with the

COMMAND DETAILS 111 Example 2 :SAVe:WAVEform:FILEFormat LSF :SAVe:WAVEform ALL, “Disk:/ALL001” Sets the file format to LSF. A folder named “ALL001

GDS-200 & GDS-300 Programming Manual 112 :SAVe:WAVEform:NOTE Description When a waveform is saved, this command saves a note (*.TXT) with the

COMMAND DETAILS 113 Parameter <string> Max. 50 character string enclosed in double quotes. Example :SAVE:ALL:NOTE “This is a note.” Saves th

GDS-200 & GDS-300 Programming Manual 114 :BRIEF:VERTical Description Adds vertical information to the image file that is saved when Brief mod

COMMAND DETAILS 115 Related commands :SAVe:IMAGe Parameter/ Return parameter ON Adds trigger information for Brief mode OFF Turns off trigger inf

GDS-200 & GDS-300 Programming Manual 116 Example :BRIEF:CURSor:MEASure ON Adds cursor measurements to the image file for Brief mode. :BRIEF:MEA

COMMAND DETAILS 117 Syntax :BRIEF:OUTPut? Return parameter Format: header+data+LF For example assuming the image data size is 31649 bytes then the

GDS-200 & GDS-300 Programming Manual 118 Go_NoGo Commands The GoNoGo function must be turned on(or use the command, “:GONogo:FUNCtion”) before

COMMAND DETAILS 119 Parameter/ OFF Pauses/Stops the test Return Parameter ON Starts the test Example :GONogo:EXECute OFF Turns Go/NoGo off. :GONog

GDS-200 & GDS-300 Programming Manual 12 COMMAND OVERVIEW The Command overview chapter gives an overview of the command syntax, basic syntax rul

GDS-200 & GDS-300 Programming Manual 120 :GONogo:SOURce Description Sets the source for the Go/NoGo signal. Syntax :GONogo:SOURce {CH1|CH2|?}

COMMAND DETAILS 121 :TEMPlate:MODe Description Sets or returns the Go/NoGo template mode. Syntax :TEMPlate:MODe {MAXimum|MINimum|AUTO|?} Paramet

GDS-200 & GDS-300 Programming Manual 122 :TEMPlate:POSition:MAXimum Description Sets or queries the position of the maximum template. Syntax

COMMAND DETAILS 123 :TEMPlate:SAVe:MINimum Description Saves the maximum template. Syntax :TEMPlate:SAVe:MINimum :TEMPlate:TOLerance Descripti

GDS-200 & GDS-300 Programming Manual 124 Replay Commands The replay function automatically logs acquisitions when the scope is in Run mode. :

COMMAND DETAILS 125 BACKward Moves to the previous waveform in memory <NRf> Sets the current waveform number. The waveform number must be eq

GDS-200 & GDS-300 Programming Manual 126 Example :ROTATE 0 :ROTATE? 0 Sets the orientation to portrait. Returns the orientation (portrait).

COMMAND DETAILS 127 DMM Commands The DMM commands control the DMM functions on the unit remotely. :DMM ...

GDS-200 & GDS-300 Programming Manual 128 Related commands :MEASUrement:DISPlay Return parameter <string> Returns the measurement or value

COMMAND DETAILS 129 OHM Resistance measurement mode DIODE Diode tester BEEP Continuity tester TEMPerature Temperature measurement mode Example :DM

COMMAND OVERVIEW 13 Command format 1: command header 2: single space 3: parameter 4: message terminator Parameter Type Description Example <B

GDS-200 & GDS-300 Programming Manual 130 parameter TIME3M TIME6M TIME15M TIME30M TIME1H TIME3H TIME6H Example :DMM:TIMe 6M Sets the mea

COMMAND DETAILS 131 :DMM:TEMPerature:UNITs Description Sets the units for the temperature measurement function. This command only applies to the

GDS-200 & GDS-300 Programming Manual 132 APPENDX Error messages Description The following error messages may be returned from the :SYSTem:ERRo

APPENDX 133 -140, "Character data error" -141, "Invalid character data" -144, "Character data too long" -148, "

GDS-200 & GDS-300 Programming Manual 134 -241, "Hardware missing" -250, "Mass storage error" -251, "Missing mass stora

APPENDX 135 -315, "Configuration memory lost" -320, "Storage fault" -321, "Out of memory" -330, "Self-test fail

GDS-200 & GDS-300 Programming Manual 136 INDEX *CLS ... 22 *ESE ...

INDEX 137 DATe ... 92 DISPlay BRIGHTness ... 56 ECO ...

GDS-200 & GDS-300 Programming Manual 138 ROVShoot ... 66 RPReshoot ... 68

INDEX 139 TYPE ... 97 VIDeo FIELd ...101 LINe ...

GDS-200 & GDS-300 Programming Manual 14 List of Commands in Functional Order Common *CLS ...

COMMAND OVERVIEW 15 Math :MATH:DISP ... 38 :MATH:TYPe ...

GDS-200 & GDS-300 Programming Manual 16 :CURSor:XY:RATio:DELta ... 52 Display :DISPlay:INTensity:WAVE

COMMAND OVERVIEW 17 :MEASure:FALL ... 70 :MEASure:PWIDth ...

GDS-200 & GDS-300 Programming Manual 18 Stop :STOP ... 90 Single :SING

COMMAND OVERVIEW 19 System commands :SYSTem:LOCK ...105 :SYSTem:ERRor ...

July 2014 This manual contains proprietary information which is protected by copyright. All rights are reserved. No part of this manual may be phot

GDS-200 & GDS-300 Programming Manual 20 :TEMPlate:MODe ... 121 :TEMPlate:MAXimum ...

COMMAND DETAILS 21 COMMAND DETAILS The Command details chapter shows the detailed syntax, equivalent panel operation, and example for each command

GDS-200 & GDS-300 Programming Manual 22 Common Commands *CLS ... 22

COMMAND DETAILS 23 3 8 DDE Device Error 4 16 EXE Execution Error 5 32 CME Command Error 6 64 URQ User Request 7 128 PON Power On Example *ESE? >

GDS-200 & GDS-300 Programming Manual 24 *IDN? Description Returns the manufacturer, model, serial number and version number of the unit. Syn

COMMAND DETAILS 25 HORizontal OFF;TRIGger OFF;MEASUrement OFF;CURSor OFF;CURSor:MEASure OFF;:BUZZER OFF *OPC Description The *OPC command set

GDS-200 & GDS-300 Programming Manual 26 Example *SAV 1 Saves the current setup to Set 1. *SRE Description Sets or queries the Service Reque

COMMAND DETAILS 27 Syntax *STB? Return Parameter <NR1> 0~255 Bit Weight Bit# Weight Event Description 0 1 Not used 1 2 Not used 2 4 Not

GDS-200 & GDS-300 Programming Manual 28 Acquisition Commands :ACQuire:AVERage ... 28 :ACQu

COMMAND DETAILS 29 Parameter SAMPle Sample mode sampling PDETect Peak detect sampling AVERage Average sampling mode Example :ACQuire:MODe PDETec

TABLE OF CONTENTS 3 Table of Contents INTERFACE OVERVIEW ... 5 Panel Overview ...

GDS-200 & GDS-300 Programming Manual 30 Parameter <X> Channel number (1 to 2) Return parameter 0 Raw data is not ready 1 Raw data is rea

COMMAND DETAILS 31 :HEADer Description Configures whether the :ACQuire:MEM? query return data will contain header information or not. It is set

GDS-200 & GDS-300 Programming Manual 32 Autoscale Commands :AUTOSet ... 32

COMMAND DETAILS 33 Vertical Commands :CHANnel<X>:BWLimit ... 33 :CHANnel<X>:COUPling ...

GDS-200 & GDS-300 Programming Manual 34 DC DC coupling GND Ground coupling Return parameter Returns the coupling mode. Example :CHANnel1:COUP

COMMAND DETAILS 35 :CHANnel<X>:INVert Description Inverts a channel or returns its status. Syntax :CHANnel<X>:INVert {OFF | ON | ?}

GDS-200 & GDS-300 Programming Manual 36 :CHANnel<X>:PROBe:RATio Description Sets or returns the probe attenuation factor. Syntax :CHANn

COMMAND DETAILS 37 Syntax :CHANnel<X>:SCALe { <NRf> | ?} Parameter <X> Channel 1, 2 <NRf> Vertical scale: 2e–3 to 1e+1

GDS-200 & GDS-300 Programming Manual 38 Math Commands :MATH:DISP ... 38 :MATH:TY

COMMAND DETAILS 39 Related Commands :MATH:DISP Parameter/ Return parameter DUAL Dual channel operations FFT FFT operations Example :MATH:TYPe DUAL

GDS-200 & GDS-300 Programming Manual Rotate Commands ... 125 DMM Commands ... 12

GDS-200 & GDS-300 Programming Manual 40 :MATH:DUAL:POSition Description Sets the vertical position of the displayed math result expressed by

COMMAND DETAILS 41 :MATH:FFT:MAG Description Sets FFT vertical units as linear or decibels. Syntax :MATH:FFT:MAG {LINEAR | DB | ?} Parameter L

GDS-200 & GDS-300 Programming Manual 42 Return parameter <NR3> Returns the vertical position. Example :MATH:FFT:POSition -2e-1 Sets the F

COMMAND DETAILS 43 Example :MATH:FFT:HORizontal:POSition 6e+5 Sets the horizontal position to 60kHz.

GDS-200 & GDS-300 Programming Manual 44 Cursor Commands :CURSor:MODe ... 44 :CURSor:S

COMMAND DETAILS 45 HV Turns horizontal and vertical cursors on. Return parameter Returns the state of the cursors (H, HV, OFF). Example :CURSor:M

GDS-200 & GDS-300 Programming Manual 46 :CURSor:DDT Description Returns the deltaY/deltaT (dY/dT) readout. Note Only supports CH1~CH2, REF1~R

COMMAND DETAILS 47 Parameter <NRf> Horizontal Position Return parameter Returns the cursor position. Example :CURSor:H2Position 1.5E-3 Sets

GDS-200 & GDS-300 Programming Manual 48 Return parameter <NR3> Returns the cursor position. Example :CURSor:V2Position 1.1E-1 Sets the V2

COMMAND DETAILS 49 Return Parameter <NR3> Returns the delta value of cursor 1 and 2 as <NR3>. Example :CURSor:XY:RECTangular:X:DELta?

INTERFACE OVERVIEW 5 INTERFACE OVERVIEW This manual describes how to use the remote command functionality and lists the command details. The Overv

GDS-200 & GDS-300 Programming Manual 50 :CURSor:XY:POLar:RADIUS:POSition<X> Description Queries the polar radius position for the spec

COMMAND DETAILS 51 :CURSor:XY:POLar:THETA:DELta Description Queries the polar angle delta between cursor1 and cursor2. Syntax :CURSor:XY:POLar

GDS-200 & GDS-300 Programming Manual 52 :CURSor:XY:RATio:POSition<X> Description Queries the ratio in XY mode for the specified cursor,

COMMAND DETAILS 53 Display Commands :DISPlay:INTensity:WAVEform ... 53 :DISPlay:INTensity:GRATicule...

GDS-200 & GDS-300 Programming Manual 54 :DISPlay:PERSistence Description Sets or queries the waveform persistence level. Syntax :DISPlay:P

COMMAND DETAILS 55 Syntax :DISPlay:WAVEform {VECTor | DOT | ?} Parameter VECTor Vectors DOT Dots Return parameter Returns VECTOR or DOT. Example

GDS-200 & GDS-300 Programming Manual 56 :DISPlay:BRIGHTness Description Sets or queries the screen brightness. Syntax :DISPlay:BRIGHTness {&

COMMAND DETAILS 57 Hardcopy Commands :HARDcopy:START ... 57 :HARDcopy:ASSIGN ...

GDS-200 & GDS-300 Programming Manual 58 Measure Commands :MEASure:GATing ... 59 :MEASure

COMMAND DETAILS 59 :MEASure:FFFDelay ... 77 :MEASure:LRRDelay ...

GDS-200 & GDS-300 Programming Manual 6 Interface Configuration The GDS-200/300 uses the USB device port for remote control. When using the remo

GDS-200 & GDS-300 Programming Manual 60 :MEASure:PK2PK Description Returns the peak-to-peak amplitude (difference between maximum and minimum

COMMAND DETAILS 61 Example :MEASure:SOURce1 CH1 :MEASure:MAX? 1.90E-3 Selects Channel 1, and then measures the maximum amplitude. :MEASure:MIN D

GDS-200 & GDS-300 Programming Manual 62 Chan Off Indicates the source channel is not activated. Note Before using this command, select the mea

COMMAND DETAILS 63 Related Commands :MEASure:SOURce<X> Return parameter <NR3> Returns the global low value. Chan Off Indicates the s

GDS-200 & GDS-300 Programming Manual 64 :MEASure:CMEan Description Returns the mean voltage/current of one full period. Syntax :MEASure:CMEan

COMMAND DETAILS 65 Example :MEASure:SOURce1 CH1 :MEASure:RMS? 1.31E-3 Selects Channel 1, and then measures the RMS voltage/current. :MEASure:CRMS

GDS-200 & GDS-300 Programming Manual 66 Chan Off Indicates the source channel is not activated. Note Before using this command, select the mea

COMMAND DETAILS 67 Related Commands :MEASure:SOURce<X> Return parameter <NR3> Returns the overshoot. Chan Off Indicates the source c

GDS-200 & GDS-300 Programming Manual 68 :MEASure:RPReshoot Description Returns rising preshoot over the entire waveform in percentage. Syntax

COMMAND DETAILS 69 Example :MEASure:SOURce1 CH1 :MEASure:FPReshoot? Selects Channel 1, and then measures the fall preshoot. :MEASure:FREQuency D

INTERFACE OVERVIEW 7 Remote Control Function Check Functionality check Invoke a terminal application such as Realterm. In the terminal program,

GDS-200 & GDS-300 Programming Manual 70 Note Before using this command, select the measurement channel. See the example below. Example :MEASure

COMMAND DETAILS 71 Note Before using this command, select the measurement channel. See the example below. Example :MEASure:SOURce1 CH1 :MEASure:FA

GDS-200 & GDS-300 Programming Manual 72 Chan Off Indicates the source channel is not activated. Note Before using this command, select the mea

COMMAND DETAILS 73 Related Commands :MEASure:SOURce<X> Return parameter <NR3> Returns the number of positive pulses. Chan Off Indica

GDS-200 & GDS-300 Programming Manual 74 :MEASure:PEDGE Description Returns the number of positive edges. Syntax :MEASure:PEDGE? Related Comm

COMMAND DETAILS 75 Note Before using this command, select the measurement channel. See the example below. Example :MEASure:SOURce1 CH1 :MEASure:NE

GDS-200 & GDS-300 Programming Manual 76 Related Commands :MEASure:SOURce<X> Return parameter <NR3> Returns the delay. Chan Off In

COMMAND DETAILS 77 :MEASure:FFFDelay Description Returns the delay between the first falling edge of source1 and the first falling edge of sourc

GDS-200 & GDS-300 Programming Manual 78 Example :MEASure:SOURce1 CH1 :MEASure:SOURce2 CH2 : MEASure:LRRDelay? -8.89E-6 Select channel 1 and 2 a

COMMAND DETAILS 79 Return parameter <NR3> Returns the delay. Chan Off Indicates the source channel is not activated. Note Select the two so

GDS-200 & GDS-300 Programming Manual 8 Using Realterm to Establish a Remote Connection Background Realterm is a terminal program that can be

GDS-200 & GDS-300 Programming Manual 80 :MEASure:PHAse Description Returns the phase between source 1 and source 2. Syntax :MEASure:PHAse?

COMMAND DETAILS 81 Measurement Commands :MEASUrement:MEAS<X>:SOURCE<X> ...81 :MEASUrement:MEAS<X>:TYPe ...

GDS-200 & GDS-300 Programming Manual 82 Example :MEASUrement:MEAS1:SOURCE1 CH1 Returns the (first) source for measurement 1. :MEASUrement:MEAS&

COMMAND DETAILS 83 Return parameter MEAS<X> The automatic measurement number from 1 to 4. Note The measurement source(s), measurement number

GDS-200 & GDS-300 Programming Manual 84 :MEASUrement:MEAS<X>:MEAN Description Returns the mean measurement results for the selected mea

COMMAND DETAILS 85 Example :MEASUrement:MEAS3:SOUrce1 CH1 :MEASUrement:MEAS3:TYPe PK2PK :MEASUrement:STATIstics:MODe ON :MEASUrement:MEAS3:MINImum

GDS-200 & GDS-300 Programming Manual 86 :MEASUrement:DISPlay Description Sets or returns the display status of the automatic measurements.

COMMAND DETAILS 87 Reference Commands :REF<X>:DISPlay ... 87 :REF<X>:TIMebase:

GDS-200 & GDS-300 Programming Manual 88 Parameter <X> Reference waveform 1, 2 <NRf> Horizontal co-ordinates Return parameter <N

COMMAND DETAILS 89 Example :REF1:OFFSet -5.000E-2 Selects reference 1, and then sets the vertical position to -50mV/mA. :REF<x>:SCALe De

INTERFACE OVERVIEW 9 The baud rate, stop bit and parity settings can be viewed by right-clicking connected device and selecting the Properties opt

GDS-200 & GDS-300 Programming Manual 90 Run Command :RUN Description The run command allows the oscilloscope to continuously make acquisitio

COMMAND DETAILS 91 Force Command :FORCe Description The Force command forces an acquisition (equivalent to pressing the Force-Trigger key in Tr

GDS-200 & GDS-300 Programming Manual 92 Utility Commands :BUZZER ... 92 :D

COMMAND DETAILS 93 Timebase Commands :TIMebase:POSition ... 93 :TIMebase:SCALe ...

GDS-200 & GDS-300 Programming Manual 94 :TIMebase:MODe Description Sets or queries the time base mode. The time base mode determines the disp

COMMAND DETAILS 95 :TIMebase:WINDow:SCALe Description Sets or queries the zoom horizontal scale. Note If the oscilloscope is under “ZOOM” mod

GDS-200 & GDS-300 Programming Manual 96 Trigger Commands :TRIGger:FREQuency ... 96 :TRIGger:T

COMMAND DETAILS 97 :TRIGger:TYPe Description Sets or queries the trigger type. Syntax :TRIGger:TYPe {EDGe | PULSEWidth | VIDeo | ? } Paramet

GDS-200 & GDS-300 Programming Manual 98 Example :TRIGger:COUPle AC Sets the trigger coupling to AC. :TRIGger:NREJ Description Sets or querie

COMMAND DETAILS 99 Return parameter Returns the trigger mode. Example :TRIGger:MODe NORMal Sets the trigger mode to normal. :TRIGger:HOLDoff D