Chroma 61504 User Manual
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Chroma 61504 User Manual

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Programmable AC Source
61501/61502/61503/61504
User's Manual
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  • Page 1 Programmable AC Source 61501/61502/61503/61504 User’s Manual...
  • Page 3 Programmable AC Source 61501/61502/61503/61504 User’s Manual Version 1.6 January 2010...
  • Page 4 The information in this document is subject to change without notice. Chroma ATE INC. makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
  • Page 5 All Chroma instruments are warranted against defects in material and workmanship for a period of one year after date of shipment. Chroma agrees to repair or replace any assembly or component found to be defective, under normal use during this period. Chroma's...
  • Page 6 “ ” indicates that the level of the specified chemical substance exceeds the threshold level specified in the standards of SJ/T-11363-2006 and EU 2005/618/EC. Chroma is not fully transitioned to lead-free solder assembly at this moment; however, most of the components used are RoHS compliant.
  • Page 8 Failure to comply with these precautions or specific WARNINGS given elsewhere in this manual will violate safety standards of design, manufacture, and intended use of the instrument. Chroma assumes no liability for the customer’s failure to comply with these requirements.
  • Page 9 Safety Symbols DANGER – High voltage. Explanation: To avoid injury, death of personnel, or damage to the instrument, the operator must refer to an explanation in the instruction manual. High temperature: This symbol indicates the temperature is now higher than the acceptable range of human. Do not touch it to avoid any personal injury.
  • Page 10 Protection Plates In order to protect the terminals of the Chroma 61500/61600 AC power source from damage during shift or transportation, users can choose to install the enclosed rear panel protection plates (2 pieces) as an option. Installation Instruction: Remove the 4 screws from both sides of the rear panel (Figure 1).
  • Page 11 “PARALLEL MODE” “Synthesis Waveform” “Interharmonics Waveform” “The GPIB Capability of the AC Source” May 2005 Change the address and phone no. of Chroma Aug. 2005 Modify “Rear Panel” “Input Connection” “Remote Sense Connection” “COUPLE Mode of Output (AC+DC, AC, DC)”...
  • Page 12 the description in the section of “Output Voltage and Voltage – Measurement Calibration”. the content of “CE Declaration”. –...

  • Page 13: Table Of Contents

    Programmable AC Source 61501/61502/61503/61504 User’s Manual Table of Contents General Information ....................1-1 Introduction......................1-1 Key Features ......................1-1 Specifications ......................1-1 Names of Parts ......................1-3 1.4.1 Front Panel ....................1-3 1.4.2 Rear Panel ....................1-5 Installation........................2-1 Inspection ......................2-1 Preparation for the Use ..................2-1 Requirements of Input Power ................2-1 2.3.1...
  • Page 14 Programmable AC Source 61501/61502/61503/61504 User’s Manual Introduction......................4-1 MANUAL CALI Functional List................4-1 4.2.1 Output Voltage and Voltage Measurement Calibration......4-3 4.2.2 Current Measurement Calibration..............4-5 4.2.3 External Vref Calibration ................4-7 Application .......................5-1 General........................5-1 List Mode .......................5-1 Pulse Mode......................5-4 Step Mode ......................5-7 Harmonic Measurement ..................5-9 Synthesize Waveform..................5-11...

  • Page 15: General Information

    General Information 1.1 Introduction The series of Chroma AC source 61501/61502/61503/61504 are high efficiency AC power source which provide sine wave output with low distortion, and accurate measurement of power. The DSP microprocessor generates accurate, stable output voltage and frequency.
  • Page 16 Programmable AC Source 61501/61502/61503/61504 User’s Manual Model 61501 61502 61503 61504 AC OUTPUT RATING Max. power 500 VA 1K VA 1.5K VA 2K VA Voltage Range 150V / 300V / Auto Accuracy 0.2%+0.2%F.S. 0.2%+0.2%F.S. 0.2%+0.2%F.S. 0.2%+0.2%F.S. Resolution 0.1 V 0.1 V 0.1 V...

  • Page 17: Names Of Parts

    General Information Temperature Range 0 °C to 40 °C Operation -40 °C to 85 °C Storage Humidity 30 % to 90 % Safety & EMC FCC 15J class A, CE Remarks *1: Maximum distortion is tested on output 125VAC (150V RANGE) and 250VAC (300V RANGE) with maximum current to linear load.
  • Page 18 Programmable AC Source 61501/61502/61503/61504 User’s Manual Table 1-1 Description of Front Panel Item Symbol Description Display: The LCD is to display configuration, output setup, and measurement results. Indicator LED: "OUT" and "SHIFT", for showing activation of output and shift mode, are available which are located on the keypad area next to the corresponding keys.

  • Page 19: Rear Panel

    General Information 1.4.2 Rear Panel Figure 1-2 Rear Panel Table 1-2 Description of Rear Panel Item Name Description Label The label includes model number, series number of the AC source. The BNC connector inputs control waveform amplitude from Ext. Ref. external analog signal.

  • Page 21: Installation

    Save all packing materials in case the instrument has to be returned one day. If any damage is found, please file a claim with the carrier immediately. Do not return the instrument to the factory without obtaining the prior RMA acceptance from Chroma. 2.2 Preparation for the Use In the beginning, the instrument must be connected with an appropriate AC line input.

  • Page 22: Figure

    Programmable AC Source 61501/61502/61503/61504 User’s Manual WARNING To protect the operators, the wire connected to the GND terminal must be connected to the earth ground. Under no circumstances shall this AC source be operated without an adequate ground connection. Installation of the power cord must be done by a professional and in accordance with local electrical codes.

  • Page 23: Output Connection

    Installation 2.4 Output Connection The output terminal block is located on the rear of AC source. Load connecting to the "N" and "L" is done at the output terminals. To meet the safety requirements, the safety cover must be fastened. The wires to the load must be sufficiently large gauges, so they will not overheat while carrying the output current.

  • Page 24: Procedures Of Power-On

    Programmable AC Source 61501/61502/61503/61504 User’s Manual 2.6 Procedures of Power-on WARNING Before turning on the instrument, all protective earth terminals, extension cords, and devices connected to the instrument must be connected to a protective earth ground. Any interruption of the protective earth grounding will cause a potential shock hazard that could result in personal injury.

  • Page 25: I/O Connectors (Option)

    Installation The user can do diagnosis if error or NG happens in power-on self-test procedure. Please see 7.2. The inner digital circuit of AC source maybe not reset if turn off power then turn on immediately. Waiting more than 3 seconds is suggested to turn on power after turning off.

  • Page 27: Local Operation

    Local Operation Local Operation 3.1 Introduction The AC source can be configured to operate in local or remote mode. The operation in remote mode through a remote GPIB controller or RS-232C will be described in Chapter 8. In this section the operation in local mode through the keypad on the front panel for data entry and test is going to be described.
  • Page 28 Programmable AC Source 61501/61502/61503/61504 User’s Manual...
  • Page 29 Local Operation Figure 3-1...

  • Page 30: Main Page (Output Setting And Measurement)

    Programmable AC Source 61501/61502/61503/61504 User’s Manual 3.3 MAIN PAGE (Output Setting and Measurement) When the user turn on the AC source, after self-test steps, the display shows the MAIN PAGE. The upper line of display shows the output settings. The state of default output settings can be set on POWER ON STATUS in CONF functional list (see 3.6.3).

  • Page 31: Choice Page (Functional List Choice)

    Local Operation The definitions of measurement parameters: : It is the measurement readings of Voltage in Volts. (True RMS measurement) : It is the output Frequency in Hertz. : It is the measurement readings of Current in Amperes. (True RMS measurement) : It is the true Power measurement in Watts.

  • Page 32: Range

    Programmable AC Source 61501/61502/61503/61504 User’s Manual RANGE = 150V WAVEFORM = A [ SETUP ] Vac LIMIT = 300V Vdc LMT (+) = 424.2 V Vdc LMT (-) = 0.0V I LIMIT (A) = 0.0 DELAY (S) = 0.0 Press , then to change to next page.

  • Page 33: Vac Limit

    Local Operation 3.5.2 Vac LIMIT The setting of Vac LIMIT will restrict the value of Vac in MAIN PAGE. The user can set Vac LIMIT on SETUP functional list (see 3.5). This command is about user-programmable protection, not hardware protection. The procedures for setting voltage Vac LIMIT = 120V, are described as below: 1.

  • Page 34: I Limit, Delay

    Programmable AC Source 61501/61502/61503/61504 User’s Manual When AC source output contains Vdc, it's better to restrict the value of Vdc. It may cause damage if output polarity is reverse, especially the load is polar. 3.5.4 I LIMIT, DELAY Limitation of output RMS current, and delay time is the parameter for triggering over current protection.

  • Page 35: Output Relay

    Local Operation 3.5.5 OUTPUT RELAY There are relays on the output of the AC source for the connection to load. When output relay is “ON”, it means that the output relay is closed in spite of that the output status of the AC source is in QUIT mode.

  • Page 36: Is Start, Is Interval

    Programmable AC Source 61501/61502/61503/61504 User’s Manual 2. Turn RPG to change the option from OFF to ON, then press DATALOCK = ON ENTER The user must select OFF to unlock. If users use FUNC, please be sure the voltage output settings stored in the memory.

  • Page 37: Remote Inhibit

    Local Operation REMOTE INHIBIT = OFF [ CONF ] EXT. V =OFF COUPLE = AC-AMPLIFIER WAVE A = SINE WAVE B = SINE Press , then to change to next page. SHIFT POWER ON STATUS : Output = OFF [ CONF ] Vac = 0.0 F = 60.00 Vdc = 0.0...

  • Page 38: Ext. V, Couple

    Programmable AC Source 61501/61502/61503/61504 User’s Manual The remote inhibit is a TTL signal transferred via the special I/O connector. For detailed please refers to pin assignment in Appendix A Pin Assignment of TTL S. 3.6.2 EXT. V, COUPLE The AC source allows the user to make use of the controlled analog signal from external devices for the setting of its output.

  • Page 39: Waveform Generator

    Local Operation 1. Move the cursor to the command of “EXT. V = ”. EXT.V = OFF_ COUPLE=AC_AMPLIFIER 2. Turn RPG to change the option from OFF to ON, then press EXT.V = ON COUPLE=AC_AMPLIFIER_ ENTER 3. The cursor moves to the command line of “COUPLE = ”...

  • Page 40: Power On Status

    Programmable AC Source 61501/61502/61503/61504 User’s Manual 3. Turn RPG to change the option to “THD”, press MODE = THD PERCENT = 0.0_ % ENTER 4. Press then press to set ENTER THD to 10%. MODE = THD PERCENT = 10.0 % The clipped sine is programmed by “AMPlitude”...

  • Page 41: Gpib Address, Rs-232C

    Local Operation 3.6.5 GPIB Address, RS-232C The AC source offers the mode of remote operation too. The user can set them on CONF functional list (see 3.6). For detailed please refers to Chapter 7. Prior to remote operation the user has to set the GPIB address 10 as below: 1.

  • Page 42: Couple Mode Of Output (Ac+Dc, Ac, Dc)

    Programmable AC Source 61501/61502/61503/61504 User’s Manual COUPLE = AC+DC_ DEG : ON= 0.0 OFF=IMMED R= 0.00 Ω Prog Zo = OFF L = 0.00 mH Vs (V/ms) = 0.000 Fs (Hz/ms) = 0.000 DCs (V/ms) = 0.000 ON S/R = OFF...
  • Page 43 Local Operation Chroma 61500 AC source have AC/DC/AC+DC output function, at DC WARNING output part, it’s still different from really DC source, the reason as below: The big ripple noise at DC output, it is because of AC source have no output capacitor.

  • Page 44: Output Degree

    Programmable AC Source 61501/61502/61503/61504 User’s Manual Illustration for fixture: Bridge diode: Because of internal control circuit of AC source, if users connect more than 20uF capacitor at output side, it may cause output unstable. It’s better to use bridge diode for isolating external capacitor. Also, it could prevent from wrong connection for polarity of output DC level.

  • Page 45: Slew Rate Of Output Transient

    Local Operation The procedures for setting output impedance Prog Zo = ON, R = 0.4Ω, and L = 0.8mH, are described as below: 1. Move the cursor to the command line Prog Zo = OFF_ of “Prog Zo = OFF ”. 2.

  • Page 46: High Voltage Option

    Programmable AC Source 61501/61502/61503/61504 User’s Manual Move the cursor to the command line of ON_S/R=OFF “ON_S/R = ”. Turn RPG to set the output to ON and ON_S/R=ON then press ENTER Move the cursor to the command line of Vs (V/ms) = 0.000_ “Vs (V/ms) = ”.

  • Page 47: Three Phase Mode

    Connecting the / FAULT-OUT signal of TTL PIN8 on AC Source rear panel to TTL PIN8 on A615003 rear panel as selecting HIGH VOLTAGE item in OPTION of AC Source 61501 - 61504, thus A615003 can be activated. 3.7.6 THREE PHASE MODE When users need a three-phase AC power, it's allowed to assemble three AC sources to be a three-phase AC power.
  • Page 48 Programmable AC Source 61501/61502/61503/61504 User’s Manual Figure 3-3 The DEGREE of MASTER is 0, and the DEGREE of SLAVE is 120, it means the SLAVE is 120 degree ahead of MASTER. The DEGREE of SLAVE 2 is 240, it means the SLAVE is 240 degree ahead of MASTER.

  • Page 49: Parallel Mode

    Local Operation The first cycle of SLAVE waveform will be distorted if the DEG ON (output on degree, see 3.7.2) doesn’t be set correctly. For example, if the MASTER DEG ON = 90, the DEG ON of SLAVE must be 210 (120 + 90 = 210). Another SLAVE must DEG ON = 330 (240 + 90 = 330).
  • Page 50 Programmable AC Source 61501/61502/61503/61504 User’s Manual The procedures of removing PARALLEL MODE: 1. Quit the output of AC source from MASTER. Set Vout = 0V. 2. Don't change the PARALLEL MODE to OFF, power off the MASTER and SLAVE by an additional power switch at the same time.

  • Page 51: Save And Recall

    Local Operation If there is not only one MASTER, or AC sources' RANGE is not the WARNING same, it may cause damage of AC source when run parallel mode. In parallel mode, the output power has not to exceed 90% of total power, in order to avoid damage caused by unbalance outputs of AC sources.
  • Page 52 Programmable AC Source 61501/61502/61503/61504 User’s Manual Press to save the output settings to channel 5. The display will show saving status ENTER for about 3 seconds. The display is shown as below. CHOICE 1 - 9, PRESS (ENTER) TO SAVE 4.

  • Page 53: Save And Recall System Data

    Local Operation Vac = 120.0_ F = 60.00 Vdc = 0.00 V = 0.00 = 0.00 I = 0.00 P = 0.0 PF = 0.000 CF = 0.00 If the recalling settings are output of RANGE or over the V LIMIT (see 3.5.2, 3.5.3), the display will show the following: Conflicting with RANGE or V LIMIT <ENTER>...

  • Page 54: Protection

    Programmable AC Source 61501/61502/61503/61504 User’s Manual Press to choose one group to save, then press to confirm. The display ENTER will show the saving status sentence about three seconds as below. Save all parameters to Group (1 - 3): 1_ Saving now, do not shut down ..
  • Page 55 Local Operation Protections for hardware are listed as below: Protection Description FAN FAIL It is fan failure protection, and means that the cooling fan malfunctions. INT - AD It is inner AD power stage (see 6.2) protection, and means that the output voltage is over or under the specific value.

  • Page 57: Calibration

    Calibration Calibration 4.1 Introduction The ac source built a simple way to calibrate the output and measurement accuracy without opening cover. Users can do it just follow the procedures step by step. A voltage meter, current meter, suitable load and +5V dc source are needed for while calibration procedure. Connections for these instruments please refer to Figure 4-1.
  • Page 58 Programmable AC Source 61501/61502/61503/61504 User’s Manual PAGE CHOICE = 4_ 1. SETUP 2.CONF 3.OUTPUT 4. MANUAL CALI 5. LIST 6. PULSE 7. STEP 8. HAR 9. SYN 10. INTERHAR Enter Password: _ (You can get password in user's manual! )

  • Page 59: Output Voltage And Voltage Measurement Calibration

    Calibration 4.2.1 Output Voltage and Voltage Measurement Calibration Users can enter CALIBRATION CHOICE page after pressing password, see 4.2. Then, press , to do the output voltage and voltage measurement calibration. ENTER CALIBRATION CHOICE = 1 1. V OUT AND MEAS. 2.
  • Page 60 Programmable AC Source 61501/61502/61503/61504 User’s Manual If the users don’t key in numeric in step A then can press to enter to step B. SHIFT Otherwise, the users should go to the confirmation page below to ensure the numerics and units keyed in are correct.

  • Page 61: Current Measurement Calibration

    Calibration 1. V OUT AND MEAS. ACCURACY CALI 300V RNG E. ( ENTER ) THEN CHECK OUTPUT IS 30VAC F. ( ENTER ) THEN KEYIN DVM MEAS. 300VAC 0.00_ In above step E of V OUT AND MEAS. ACCURACY CALI., the user should not turn on the load.
  • Page 62 Programmable AC Source 61501/61502/61503/61504 User’s Manual 2. CURRENT MEAS. ACCURACY CALI 300V RNG A. WAIT TWO SECONDS THEN ( ENTER ) Iac = 0.00 A Idc = 0.00 A In above step A of CURRENT MEAS. ACCURACY CALI., the display shows the offset of Iac and Idc measured by AC source.

  • Page 63: External Vref Calibration

    Calibration The resistance of applied load must be constant, so that the load current is proportional to output voltage. If not, the step B of CURRENT MEAS. ACCURACY is insignificant. Users only need to meet the current of step C when output voltage is 125VAC. When doing the procedure of calibration, the protection is removed temporarily.
  • Page 64 Programmable AC Source 61501/61502/61503/61504 User’s Manual In above step B of EXTERNAL Vref CALI., the user apply +5Vdc to Vref BNC connector from outer DC source. Check the output voltage of AC source is about 106Vdc, then keyin the exact value of input Vref voltage (not AC source output) measured from DVM.

  • Page 65: Application

    Not only programming the steady sine output voltage and frequency, the AC source model 61501/61502/61503/61504 provide several powerful functions to simulate all kinds of power line disturbance. Users can make the output change through a number of value in LIST mode (see 5.2), or make the output change to its set value for a specific period of time in...
  • Page 66 Programmable AC Source 61501/61502/61503/61504 User’s Manual Press , then to change to next page for sequence programming. SHIFT SEQ = 0 DEGREE = 0.0 [ LIST ] Vs = 0.0 Fs = 60.00 DCs = 0.0 Ve = 0.0 Fe = 60.00 DCe = 0.0...
  • Page 67 Application LIST mode example: COUNT = 1 [ LIST ] TRIG = AUTO BASE = TIME <SHIFT> <ENTER> to Execute DEGREE 90.0 [ LIST ] Vs = 20.0 Fs = 50.00 DCs = 0.0 Ve = 80.0 Fe = 50.00 DCe = 0.0 WAVE = A TIME = 75.0...

  • Page 68: Pulse Mode

    Programmable AC Source 61501/61502/61503/61504 User’s Manual The output waveform: SEQ 1 SEQ 2 SEQ 0 90∘ 75ms 100ms 80ms 5.3 Pulse Mode On CHOICE PAGE (see 3.4), press then , choose the PULSE functional list. ENTER PAGE CHOICE = 6_ 1.
  • Page 69 Application TRIG = AUTO WAVE = A [ PULSE ] DEGREE = 0.0 <SHIFT> <ENTER> to Execute The PULSE mode allows users to program a particular waveform attach to normal output set in MAIN PAGE. The waveform programming is to specify duty percent on top of programmed output, and the transient state.
  • Page 70 Programmable AC Source 61501/61502/61503/61504 User’s Manual In MAIN PAGE: Vac = 50.0 F = 50.00 Vdc = 0.0 V = 0.00 = 0.00 I = 0.00 P = 0.0 PF = 0.000 CF = 0.00 In PULSE setting page: COUNT = 3 [ PULSE ] Vac = 100.0...

  • Page 71: Step Mode

    Application 5.4 Step Mode On CHOICE PAGE (see 3.4), press then , choose the STEP functional list. ENTER PAGE CHOICE = 7_ 1. SETUP 2.CONF 3.OUTPUT 4. MANUAL CALI 5. LIST 6. PULSE 7. STEP 8. HAR 9. SYN 10. INTERHAR COUNT = 0 DWELL = 0.0 ms [ STEP ]...
  • Page 72 Programmable AC Source 61501/61502/61503/61504 User’s Manual _TRIG_ON * STOP * [ STEP ] V = 0.00 F = 0.00 I = 0.00 P = 0.0 PF = 0.000 CF = 0.00 _TRIG_OFF * RUNNING * [ STEP ] TRIG_PAUSE V = 0.00 F = 0.00...

  • Page 73: Harmonic Measurement

    Application TRIG = AUTO WAVE = A [ STEP ] DEGREE = 90.0 <SHIFT><ENTER> to Execute Initial Step 1 Step 2 Step 3 90° 90° 50Vac 100Hz 70Vac 200Hz 40Vac 50Hz 60Vac 150Hz 20Vdc 60Vdc 0Vdc 40Vdc 60ms 60ms 60ms 5.5 Harmonic Measurement On CHOICE PAGE (see 3.4), press then...
  • Page 74 Programmable AC Source 61501/61502/61503/61504 User’s Manual The HARmonic function can calculates the THD, DC, fundamental value of output current or output voltage. It also calculates 2nd ~ 40th order of harmonic value in fundamental frequency 50Hz or 60Hz. SOURCE = V / I: the source of measured data. V: the output voltage. I: the output current.

  • Page 75: Synthesize Waveform

    Application execute harmonics measurement when the load is stable, and not change load when measuring. Or the calculated data may lose accuracy even over-current protection may happen. 5.6 Synthesize Waveform On CHOICE PAGE (see 3.4), press then , choose the SYN functional list. ENTER PAGE CHOICE = 9_ 1.
  • Page 76 Programmable AC Source 61501/61502/61503/61504 User’s Manual θ θ [ SYN ] θ θ [ SYN ] After setting, press to go back to SYN set page. Press , then PAGE/EXIT SHIFT ENTER go to SYN execution page. The LCD shows _TRIG_ON is under action, and * STOP * is the triggering status at present.

  • Page 77: Interharmonics Waveform

    Application 5.7 Interharmonics Waveform On CHOICE PAGE (see 3.4), press then , choose the INTERHAR functional ENTER list. PAGE CHOICE = 10_ 1. SETUP 2.CONF 3.OUTPUT 4. MANUAL CALI 5. LIST 6. PULSE 7. STEP 8. HAR 9. SYN 10. INTERHAR Fi_start = 0.01 [ INTERHAR ] Fi_end = 2400.0 Hz...
  • Page 78 Programmable AC Source 61501/61502/61503/61504 User’s Manual Press , then to go to INTERHAR execution page. The LCD shows _TRIG_ON SHIFT ENTER is under action, and * STOP * is the triggering status at present. Fi is the sweeping frequency. (Fi = 0 means no sweeping wave superimpose on original fundamental output.) Press to trigger.

  • Page 79: Theory Of Operation

    Theory of Operation Theory of Operation 6.1 General The AC source consists of 10 print circuit boards and other components. Each of the PCB has its specific function that will be described in the following subsection. 6.2 Description of Overall System Figure 6-1 shows the overall system.
  • Page 80 Programmable AC Source 61501/61502/61503/61504 User’s Manual Output Power Relay V and I Measure Filter Control Stage I Board G Board H Board Input Power Filter Power Power Power Stage Stage Stage System Power Board Connector Signal Board Board B Board...

  • Page 81: Self Test & Troubleshooting

    Self Test & Troubleshooting Self Test & Troubleshooting 7.1 General This section describes the self-test steps and suggested troubleshooting procedures when AC source does not function normally. If the problem cannot be solved using the information given here, consult the distributor whom you purchased the unit. 7.2 Self Test When the AC source power-on, it performs a series of self-test.

  • Page 82: Troubleshooting

    Programmable AC Source 61501/61502/61503/61504 User’s Manual Press to ignore the NG. ENTER If no PROTECTION, press to change to MAIN PAGE. PAGE/EXIT Program a small voltage as 10Vac then press , see the measurement from OUT/QUIT display if V is about 10V or not.

  • Page 83: Remote Operation

    Remote Operation Remote Operation 8.1 General Information The AC source can be controlled remotely through the GPIB or the RS-232C port. The GPIB port is mostly used, but the RS-232C port is helpful too. Technically speaking, the GPIB interface is quite different from the RS-232C interface. The GPIB interface is an 8-bit parallel data bus owning a host of bus commands for synchronization, and up to one Megabyte transfer rate.

  • Page 84: The Gpib Capability Of The Ac Source

    Programmable AC Source 61501/61502/61503/61504 User’s Manual IBM PC AC Source Connection Connection Connection Connection Connection Connection 8.2 The GPIB Capability of the AC Source GPIB Description Interface Capability Functions Talker/Listener Commands and response messages can be sent and AH1, SH1, T6, L4 received over the GPIB bus.

  • Page 85: Introduction To Programming

    Remote Operation 8.3 Introduction to Programming All commands and response messages are transferred in form of ASCII codes. The response messages must be read completely before a new command is sent, otherwise the remaining response messages will be lost, and a query interrupt error will occur. 8.3.1 Conventions Angle brackets <...

  • Page 86: Basic Definition

    Programmable AC Source 61501/61502/61503/61504 User’s Manual 8.3.5 Basic Definition Command Tree Table: The commands of the AC source are based on a hierarchical structure, also known as a tree system. In order to obtain a particular command, the full path to that command must be specified.

  • Page 87: Traversal Of The Command Tree

    Remote Operation Program Message Terminator (<PMT>): A program message terminator represents the end of a program message. Three permitted terminators are: (1) <END> : end or identify (EOI) (2) <NL> : new line which is a single ASCII-encoded byte 0A (10 decimals). (3) <NL>...

  • Page 88: The Commands Of The Ac Source

    Programmable AC Source 61501/61502/61503/61504 User’s Manual are sent, data out of range error will be produced. Reversing the order, or sending the commands in one program message can avoid such kind of error. For the above example, the program message VOLTage : AC 220 ;...

  • Page 89: Instrument Command Dictionary

    The query reads the Standard Event Reading of the register clears it. The bits of configuration are the same as Standard Event Status Enabled Register. *IDN? Return the AC source identification string Return Parameter Chroma ATE 61500,123456,1.00,1.01,1.02 Chroma ATE : Company name 61500 : Model name...
  • Page 90 Programmable AC Source 61501/61502/61503/61504 User’s Manual 8.6.2.1 FETCH & MEASURE Sub-system FETCh | MEASure [ : SCALar] : CURRent : AC? Query the rms current : DC? Query the DC current level : AMPLitude : MAXimum? Query the peak current...
  • Page 91 Remote Operation FETCh [ : SCALar] : CURRent : INRush? MEASure [ : SCALar] : CURRent : INRush? Description : These queries return the inrush current which is being output at the output terminal. Query Syntax : FETCh : CURRent : INRush?, MEASure : CURRent : INRush? Return Parameters : <NR2>...
  • Page 92 Programmable AC Source 61501/61502/61503/61504 User’s Manual Query Syntax : FETCh [ : SCALar] : VOLTage : ACDC? MEASure [ : SCALar] : VOLTage : ACDC? Return Parameters : <NR2> FETCh [ : SCALar] : VOLTage : DC? MEASure [ : SCALar] : VOLTage : DC?
  • Page 93 Remote Operation OUTPut : SLEW : VOLTage : DC Description : This command sets the slew rate of the DC composition voltage. Query Syntax : OUTPut : SLEW : VOLTage : DC? Parameters : <NR2>, valid range: 0.000V/ms ~ 1000.000V/ms Return Parameters : <NR2>...
  • Page 94 Programmable AC Source 61501/61502/61503/61504 User’s Manual 8.6.2.3 SOURCE Sub-system [SOURce :] CURRent : LIMit : DELay : INRush : STARt : INTerval FREQuency [: {CW | IMMediate}] FUNCtion : SHAPe : SHAPe : MODE : THD : AMP : MODE...
  • Page 95 Remote Operation Parameters : <NR2>, valid range: 0.0 ~ 999.9 (unit: ms) Return Parameters : <NR2> [SOURce :] CURRent : INRush : INTerval Description : This command sets the measuring interval of the inrush current measurement. Query Syntax : [SOURce :] CURRent : INRush : INTerval? Parameters : <NR2>, valid range: 0.0 ~ 999.9 (unit: ms) Return Parameters...
  • Page 96 Programmable AC Source 61501/61502/61503/61504 User’s Manual [SOURce :] FUNCtion : SHAPe : B Description : This command specifies the waveform shape of waveform buffer B. Query Syntax : [SOURce :] FUNCtion : SHAPe : B? Parameters : SINE | SQUA | CSIN | DST<01..30> | USR<01..06>...
  • Page 97 Remote Operation [SOURce :] VOLTage : LIMit : DC : PLUS Description : This command sets the setting of Vdc LIMIT(+) which will restrict the value of Vdc. Query Syntax : [SOURce :] VOLTage : LIMit : DC : PLUS? Parameters : <NR2>, valid range: 0.0 ~ 424.2 (unit: V) Return Parameters...
  • Page 98 Programmable AC Source 61501/61502/61503/61504 User’s Manual 8.6.2.5 PHASE Sub-system [SOURce :] PHASe : ON : OFF [SOURce :] PHASe : ON Description : This command sets the transition angle of the waveform when it out. Default DEGREE ON is 0 degree.
  • Page 99 Remote Operation 8.6.2.7 LIST Sub-system [SOURce :] LIST : POINts? : COUNt : DWELl : SHAPe : BASE : VOLTage : AC : STARt : END : DC : STARt : END : FREQuency : STARt : END : DEGRee OUTPut : MODE TRIG...
  • Page 100 Programmable AC Source 61501/61502/61503/61504 User’s Manual [SOURce :] LIST : BASE Description : This command sets time base of list. Query Syntax : [SOURce:] LIST : BASE? Parameters : TIME | CYCLE Return Parameters : TIME | CYCLE [SOURce :] LIST : VOLTage : AC : STARt...
  • Page 101 Remote Operation OUTPut : MODE Description : This command sets the operation mode. Query Syntax : OUTPut : MODE? Parameters : FIXED | LIST | PULSE | STEP | SYNTH | INTERHAR Return Parameters : FIXED | LIST | PULSE | STEP | SYNTH | INTERHAR TRIG Description : This command sets LIST mode in OFF, ON execution state...
  • Page 102 Programmable AC Source 61501/61502/61503/61504 User’s Manual [SOURce :] PULSe : FREQuency Description : This command sets the frequency during the duty cycle of PULSE mode. Query Syntax : [SOURce :] PULSE : FREQuency? Parameters : <NR2>, valid range: 15.00 ~ 1000.00 (unit: Hz) Return Parameters : <NR2>...
  • Page 103 Remote Operation 8.6.2.9 STEP Sub-system [SOURce :] STEP : VOLTage : AC : DC : FREQuency : SHAPe : SPHase : DVOLtage : AC : DC : DFRequency : DWELl : COUNt OUTPut : MODE TRIG TRIG : STATE? [SOURce :] STEP : VOLTage : AC Description : This command sets the initial AC voltage of STEP mode.
  • Page 104 Programmable AC Source 61501/61502/61503/61504 User’s Manual [SOURce :] STEP : DVOLtage : AC Description : This command sets the delta AC voltage in each step. Query Syntax : [SOURce :] STEP : DVOLtage : AC? Parameters : <NR2>, valid range: 0.0 ~ 150.0 (in low range), 0.0 ~ 300.0 (in...
  • Page 105 Remote Operation 8.6.2.10 Harmonic Sense Sub-system [SOURce :] CONFigure : HARMonic : SOURce : TIMes : PARameter : FREQuency SENSe : HARMonic FETCh | MEASure [ : SCALar] : HARMonic : THD? Return the % of total harmonic distortion : FUNDamental? Return the fundamental : ARRay? Return the amplitude of all the harmonic order...
  • Page 106 Programmable AC Source 61501/61502/61503/61504 User’s Manual takes about 3 seconds to get a result. The parameter must be set to “OFF” if users want to measure other data. Query Syntax : SENSe : HARMonic? Parameters : ON | OFF Return Parameters...
  • Page 107 Remote Operation [SOURce :] SYNThesis : AMPLitude Description : This command sets the amplitude of each harmonic order. The maximum number of order is 40. Query Syntax : [SOURce :] SYNThesis : AMPLitude? Parameters : <NR2>, …, <NR2> valid range: Order VALUE PERCENT...
  • Page 108 Programmable AC Source 61501/61502/61503/61504 User’s Manual Query Syntax : OUTPut : MODE? Parameters : FIXED | LIST | PULSE | STEP | SYNTH | INTERHAR Return Parameters : FIXED | LIST | PULSE | STEP | SYNTH | INTERHAR TRIG...
  • Page 109 Remote Operation Parameters : <NR2>, valid range: 0% ~ 30% at 0.01 Hz ~ 500 Hz 0% ~ 20% at 500.01 Hz ~ 1000 Hz 0% ~ 10% at 1000.01 Hz ~ 2400 Hz Return Parameters : <NR2> [SOURce :] INTerharmonics : DWELl Description : This command sets the dwell time of sweep wave.
  • Page 110 Programmable AC Source 61501/61502/61503/61504 User’s Manual STATus : PRESet Description : This command sets the Enable, PTR, and NTR registers of the status groups to their power-on values. Query Syntax : STATus : PRESet Parameters : None Return Parameters : Always zero.
  • Page 111 Remote Operation STATus : QUEStionable : NTRansition Description : These commands make the values of the Questionable NTR register set or read. These registers serve as polarity filters between the Questionable Enable and Questionable Event registers, and result in the following actions: When a bit of the Questionable NTR register is set at 1, a 1-to-0 transition of the corresponding bit in the Questionable Condition register will cause that bit in the Questionable Event register to be set.

  • Page 112: Command Summary

    Programmable AC Source 61501/61502/61503/61504 User’s Manual 8.6.2.14 SYSTEM Sub-system SYSTem : ERRor? : VERSion? : LOCal : REMote SYSTem : ERRor? Description : This command queries the error string of the command parser. Query Syntax : SYSTem : ERRor? Parameters...
  • Page 113 Remote Operation * SAV<n> Save the AC source status * SRE Set request enable register * STB? Return status byte * TST? Return the self-test result of the AC source Instrument Commands FETCh | MEASure [ : SCALar] : CURRent : AC? : DC? : AMPLitude : MAXimum?
  • Page 114 Programmable AC Source 61501/61502/61503/61504 User’s Manual : INTerval FREQuency [: {CW | IMMediate}] VOLTage [: LEVel][: IMMediate][:AMPLitude] : AC : DC : LIMit : AC : DC : PLUS : MINus : RANGe FUNCtion : SHAPe : SHAPe : MODE...
  • Page 115 Remote Operation STEP : VOLTage : AC : DC : FREQuency : SHAPe : SPHase : DVOLtage : AC : DC : DFRequency : DWELl : COUNt SYNThesis : COMPose : AMPLitude : PHASe : FUNDamental : DC : FREQuency : SPHase INTerharmonics : FREQuency...
  • Page 116 Programmable AC Source 61501/61502/61503/61504 User’s Manual : QUEStionable [: EVENt]? : CONDition : ENABle : NTRansition : PTRansition SYSTem : ERRor? : VERSion? : LOCal : REMote TRIG TRIG : STATE? 8-34...

  • Page 117: Appendix A Pin Assignment Of Ttl Signal

    Appendix A Pin Assignment of TTL Signal Appendix A Pin Assignment of TTL Signal 9-Pin D-Type Male Connector: Pin No. Signal Pin No. Signal / Remote-Inhibit / FAULT-OUT AC-ON / Remote-Inhibit: When voltage level of this pin becomes LOW, it can inhibit the output of AC source, or excite the action of mode ( See 3.6.1 ).

  • Page 119: Appendix B Built-In Waveforms

    Appendix B Built-in Waveforms Appendix B Built-in Waveforms DST01 θ Harmonic 15.8 2.16 DST02 θ Harmonic 1.44 1.47 1.95...
  • Page 120 Programmable AC Source 61501/61502/61503/61504 User’s Manual DST03 θ Harmonic 1.96 1.37 1.98 1.42 DST04 θ Harmonic 2.45 1.88 2.46 1.95 1.09 1.52 1.09...
  • Page 121 Appendix B Built-in Waveforms DST05 θ Harmonic 2.45 1.88 2.46 1.95 1.09 1.52 1.09 DST06 θ Harmonic 4.17 1.02 2.92...
  • Page 122 Programmable AC Source 61501/61502/61503/61504 User’s Manual DST07 θ Harmonic 2.17 5.59 2.79 4.56 2.92 1.35 0.99 DST08 θ Harmonic 4.86 1.58 2.64 1.37 1.95 1.06...
  • Page 123 Appendix B Built-in Waveforms DST09 θ Harmonic 7.27 2.39 4.01 2.07 1.03 2.94 1.59 1.04 1.19 1.03 DST10 θ Harmonic 9.78 3.19 5.37 1.17 2.76 1.37 3.92 2.13 1.34 1.39 1.59 1.36...
  • Page 124 Programmable AC Source 61501/61502/61503/61504 User’s Manual DST11 θ Harmonic 17.72 DST12 θ Harmonic 21.21...
  • Page 125 Appendix B Built-in Waveforms DST13 θ Harmonic 24.48 DST14 θ Harmonic 2.19 9.83 15.76 2.34...
  • Page 126 Programmable AC Source 61501/61502/61503/61504 User’s Manual DST15 θ Harmonic 1.04 7.86 1.14 DST16 θ Harmonic 2.42 73.91...
  • Page 127 Appendix B Built-in Waveforms DST17 θ Harmonic 11.08 180 4.05 2.03 1.27 DST18 θ Harmonic 7.16 3.46...
  • Page 128 Programmable AC Source 61501/61502/61503/61504 User’s Manual DST19 θ Harmonic 8.07 3.55 0.96 0.92 DST20 θ Harmonic 9.38 3.44 1.12 B-10...
  • Page 129 Appendix B Built-in Waveforms DST21 θ Harmonic 2.06 1.77 1.62 1.23 0.91 0.54 0.51 0.53 DST22 θ Harmonic 3.08 2.72 2.43 1.97 1.41 0.86 0.62 0.73 0.77 0.69 0.56 B-11...
  • Page 130 Programmable AC Source 61501/61502/61503/61504 User’s Manual DST23 θ Harmonic 0.13 4.28 3.77 3.27 2.57 1.93 1.22 0.55 0.46 0.83 0.97 1.04 0.75 DST24 θ Harmonic 5.74 5.11 4.44 3.52 2.63 1.65 0.61 1.07 1.28 1.35 1.22 0.98 B-12...
  • Page 131 Appendix B Built-in Waveforms DST25 θ Harmonic 7.35 5.74 4.57 3.41 2.16 1.04 0.74 1.35 1.64 1.73 1.56 1.24 DST26 θ Harmonic 3.41 2.55 9.22 7.68 3.88 3.56 2.34 2.21 B-13...
  • Page 132 Programmable AC Source 61501/61502/61503/61504 User’s Manual DST27 θ Harmonic 1.24 4.91 2.21 DST28 θ Harmonic 33.39 20.01 13.76 10.7 8.39 7.06 5.85 4.86 4.86 4.52 3.49 2.91 2.45 1.94 1.95 1.91 1.89 1.83 B-14...
  • Page 133 Appendix B Built-in Waveforms DST29 θ Harmonic 33.39 20.01 13.75 10.71 8.37 7.05 5.84 4.84 4.83 4.48 3.93 0.89 0.92 0.94 0.94 0.94 0.93 0.92 0.91 DST30 θ Harmonic 33.39 20.01 13.74 10.67 8.33 6.99 5.26 B-15...

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