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Chroma 64180 User Manual

Programmable ac power source
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Programmable AC Power Source 6560/6590 User's Manual
Programmable
AC Power Source
64180/64270/65180/65270
User's Manual
Edition
August 2003

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  • Page 1 Programmable AC Power Source 6560/6590 User’s Manual Programmable AC Power Source 64180/64270/65180/65270 User’s Manual Edition August 2003...

  • Page 3: General Information

    6460/6490/6560/6590, the inner F/W and connected cables are different. There is one Master and two Slaves in the three units of 64180/64270/65180/65270. It is impossible to use individual unit as totally the same as 6460/6490/6560/6590. The Master unit can be used individually, but the slaves only can used with the Master together.

  • Page 4: Specifications

    Programmable AC Power Source 6560/6590 User’s Manual Specifications Model 64180/64270/65180/65270 assembled units nowaday model 6460/6490/6560/6590. The detail specification and operation, please refer to the user’s manual of 6460/6490 or 6560/6590. Names of Parts 1.5.1 The Front Panel 64180/65180...
  • Page 5 General Information 64270/65270 Figure 1-1 The Front Panel...

  • Page 6: The Rear Panel

    Programmable AC Power Source 6560/6590 User’s Manual 1.5.2 The Rear Panel 64180/65180...
  • Page 7 General Information 64270/65270 Figure 1-2 The Rear Panel...

  • Page 9: Installation

    Calibration Procedure Installation Preparation for the Use Although Chroma AC source model 64180/64270/65180/65270 are assembled by 3 units of nowaday model 6460/6490/6560/6590, the F/W and connecting cables are different. Chroma has install the 64180/64270/65180/65270 F/W before shipping by your order.

  • Page 10: Input Connection

    Programmable AC Power Source 6560/6590 User’s Manual 2.2.2 Input Connection The input terminal block is located on the instrument rear panel. The power cord must be rated at least for 85°C. The power line input must have a current rating, which is greater than or equal to the maximum current rating of the AC source.
  • Page 11 Figure 2-1 6460/6490/6560/6590 220 3∼∆ Input Connection Figure 2-2 6460/6490/6560/6590 380 3∼Y Input Connection For Model 64180/65180, because 6460/6560 only use two of the three phases for its input power, for the phase current balance concern, we strongly suggest the user to connect the three phase...

  • Page 12: Output Connection

    G --> Connect to Master, Slave 1 and Slave 2 Safety GND terminal. NOTICE Because the three 64180/64270/65180/65270 can power on normally only when these three AC sources be turned on almost at the same time. We strongly suggest the user to use an external three phase breaker to switch on/off the main power in stead of their own power switch.
  • Page 13 Calibration Procedure Figure 2-5 6560 One-Phase Output Connection Model 64180/64270/65180/65270’s output configuration is Y type three-phase structure. The Master output port ( ϕ1, ϕ2, ϕ3 ) makes “ R “ of the three phase. The Slave 1 output port ( ϕ1, ϕ2, ϕ3 ) makes “ S “ of the three phase.
  • Page 14 Programmable AC Power Source 6560/6590 User’s Manual NOTICE What you program at each unit’s display is the “ Phase voltage “. You have to multiply it by 1.732 to get the Line – Line voltage. When the user want get phase voltage larger than 300V, he may use SERIES mode of 6460/6560. Be very careful that the SERIES and PARALLEL mode output connection are totally different.

  • Page 15: Signal Cable Connection

    Because the three 64180/64270/65180/65270 can power on normally only when these three AC sources be turned on almost at the same time. We strongly suggest the user to use an external three phase breaker to switch on/off the main power in stead of their own power switch.

  • Page 16: Local Operation

    Programmable AC Power Source 6560/6590 User’s Manual Local Operation The AC source 64180/64270/65180/65270 can be configured to operate in local or remote mode. The operation in remote mode through a remote GPIB interface will be described in Chapter 6 Remote Operation. This chapter describes the operation in local mode through the keypad on the front panel for data entry and test.
  • Page 17 Calibration Procedure 3.2.1 Setting Output Voltage, Frequency After you have powered on the AC source, and accomplished the self-test (or exited from any other menu by pressing ), the LCD of Master unit will display a main operational menu on QUIT the screen as below: V=_ 0.0 F = 60.0 Vout = Immed...
  • Page 18 Programmable AC Power Source 6560/6590 User’s Manual 3.2.2 Setting the Output Transition Phase The AC source can control the transition angle of the output waveform on the setting of Sync. source=phase. Users can easily set the angle by moving cursor to the setting position. When Sync.
  • Page 19 Normally, the phase angle between each phase is 120 degree for 3-phase AC power. In order to simulate 3-phase unbalance, users can change phase angles easily on 64180/64270/65180/65270. Uses can change phase angle on Slave units by pressing CONFIG softkey for setting. Then press MORE softkey to go to next page.
  • Page 20 Programmable AC Power Source 6560/6590 User’s Manual Phase Status = ON Waveform A =SINE B = SINE Set Phase Shift = 120.0 3.2.4 The Execution of Output You can press the soft key in the main menu of Master, to enable the execution of output of 3 phases.
  • Page 21 PAUSE 3.2.5 Asynchronizing and Synchronizing Operation Because 64180/64270/65180/65270 is assembled by 3 units of 6460/6490/6560/6590, users need to program output voltage on each units. For example, if the output status is run, and users want to change output voltage form 220V to 230V, they may key-in 230 on each unit.
  • Page 22 The voltage of 3 phases will change synchronously when users set the voltage on the Master unit. 3.2.6 GPIB Address Setting for Remote Control Because 64180/64270/65180/65270 is assembled by 3 units of 6460/6490/6560/6590, users need to seriesly connect GPIB cable for every unit. Users need to set different and proper GPIB address.
  • Page 23 Calibration Procedure Remote sense = OFF MORE GPIB address = 30 Application 3.3.1 Output Transient Voltage (Only for Model 65180/65270) Besides pure and stable sine waveform, some kinds of tests need voltage change in a short time. Users need to simulate abnormal conditions to their products. The AC source 6560/6590 provide three powerful modes: STEP, PULSE, LIST for users to program the output transient states and fulfill various needs in application.
  • Page 24 Master’s phase = 0.0, then the Slaves should be set phase = 120.0 or 240.0 if their phase angle = 120.0 or 240.0. ( 120 = 0 +120, 240 = 0 + 240 ). CHROMA programmable AC source Model 6590...
  • Page 25 Calibration Procedure In LIST mode, you can specify the output transient state using the parameters of V, F and Time step by step. Example: Initial V and F : V = 40V, F = 50Hz, and Trigger=Auto, Sync. source=phase, phase=90 degrees Vs0= 80V, Ve0= 0V, F0= 50Hz, Time0= 100mS Waveform0= A’, StepNo0= 5 Vs1= 60V, Ve1= 0V, F1= 50Hz, Time1= 60mS Waveform1= A’, StepNo1= 3...
  • Page 26 Programmable AC Power Source 6560/6590 User’s Manual NOTICE 1. The Step NO cannot be 0. When Step NO=1, only Vstart will run. When Step NO=2, only Vstart and Vend will be run. 2. The time resolution of AC source for LIST mode is 1 mS. When the Time divided by Step NO is less than 1 mS, the AC source will change Step NO every 1 mS for output.
  • Page 27 Calibration Procedure 3.3.3 Distorted Waveform (Only for Model 65180/65270) Besides pure and stable sine waveform, some kinds of tests need distorted waveform to simulate main power in the real world. The AC source provides two independent sets of waveforms, A and B on each unit.

  • Page 28: Measurement Functions

    Programmable AC Power Source 6560/6590 User’s Manual Besides the waveform library built-in AC source, users can progrom their own waveform. Users can edit the harmonic components of waveform up to 40 orders on a software, 65180/65270’s Softpanel. Then, send the data to user-defined waveform library for any phase. Users can recall the waveform when they need it.
  • Page 29 Calibration Procedure It is the measurement readings of Current in Amperes. (True RMS measurement) It is the true Power measurement in Watts. It is the positive I peak measurement in Amperes, and the peak value measured in every 200 mS. For details please refer to 3.1.5.6. Ip−...

  • Page 30: Calibration Procedure

    Programmable AC Power Source 6560/6590 User’s Manual Calibration Procedure Although Chroma AC source model 64180/64270/65180/65270 are assembled by 3 units of 6460/6490/6560/6590, the F/W and inner signals of each unit is different. If calibration is needed, users may need the original F/W of 6460/6490/6560/6590 and inner circuit connecting data.

  • Page 31: Remote Operation

    Remote Operation Setting the GPIB Address The AC source can be controlled remotely through the GPIB. Normally, Chroma AC source is shipped with the GPIB address, which is set to 30. Because 64180/65180/64270/65270 have 3 units of 6460/6560/6490/6590, users need set the different address for every unit. And users need to send commands to each unit in order to control voltage for each phase.

  • Page 32: Introduction To Programming

    Programmable AC Power Source 6560/6590 User’s Manual the front panel is operative, and the AC source responds to the commands from GPIB. In remote state, all front panel keys except the local key are disabled. Press local key to return the AC source to local state. Local key can be disabled using local lockout so that only the controller or the power switch can return the AC source to local mode.
  • Page 33 Calibration Procedure 5.3.2 Numerical Data Formats All data programmed to or returned from the AC source are ASCII. The data can be numerical or character strings. Numerical Data Formats Symbol Description Example It is a number with no decimal point. The decimal is 123, 0123 assumed to be at the right of the least significant digit.
  • Page 34 Programmable AC Power Source 6560/6590 User’s Manual Program Headers: Program headers are the key words to identify the command. They follow the syntax described in IEEE 488.2 section 7.6. The AC source accepts characters in both upper and lower case without distinction.
  • Page 35 Calibration Procedure Example: VOLT?, OUTPut ON. Program Message Unit Separator ( ; ): The separator (semicolon ;) separates the program message unit elements from one another in a program message. Example: VOLT 110 ; FREQ 120<PMT> Program Message Terminator (<PMT>): A program message terminator indicates the end of a program message.

  • Page 36: Traversal Of The Command Tree

    Programmable AC Power Source 6560/6590 User’s Manual Traversal of the Command Tree Multiple program message unit elements can be sent in a program message. The first command is always referred to the root node. Subsequent commands are referred to the same tree level as the previous command in a program message.

  • Page 37: The Commands Of The Ac Source

    Calibration Procedure The following commands are coupled: VOLTage, : RANGe. The Commands of the AC Source This section covers the syntax and parameters for all commands of the AC source. examples given for each command are generic. Syntax Forms Definitions of syntax are in long form headers, while only short form headers appear in the examples.
  • Page 38 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 Return Parameter Chroma ATE 6530, 1234, 2.01 Chroma ATE : Company name 6530 : Model number 1234 : Serial number 2.01...

  • Page 39: Instrument Command Dictionary

    Calibration Procedure 5.6.2 Instrument Command Dictionary The commands are listed in alphabetical order. Commands followed by question marks (?) are the query forms. When commands in both command and query forms, they are noted in the syntax descriptions. FETCh | MEASure [ : SCALar] : CURRent :AC?
  • Page 40 Programmable AC Power Source 6560/6590 User’s Manual FETCh [ : SCALar] : CURRent : AMPLitude : MAXimum? MEASure [ : SCALar] : CURRent : AMPLitude : MAXimum? Return parameters <NR2> These queries return the absolute value of peak current. FETCh [ : SCALar] : CURRent : AMPLitude : MAXimum : TOTal? MEASure [ : SCALar] : CURRent : AMPLitude : MAXimum : TOTal? Return parameters <NR2>...
  • Page 41 Calibration Procedure These queries return the value for inrush current. FETCh | MEASure [ : SCALar] : FREQuency? Query the output frequency FETCh [ : SCALar] : FREQuency? MEASure [ : SCALar] : FREQuency? Return parameters <NR2> These queries return the output frequency in Hertz. FETCh | MEASure [ : SCALar] : POWer...
  • Page 42 Programmable AC Power Source 6560/6590 User’s Manual FETCh [ : SCALar] : POWer : AC : APParent? MEASure [ : SCALar] : POWer : AC : APParent? Return parameters <NR2> These queries return the apparent power, which is being output at output terminals in volt- amperes.
  • Page 43 Calibration Procedure MEASure [ : SCALar] : POWer : AC : PFACtor? Return parameters <NR2> These queries return the power factor, which is being output at output terminals. Power factor is computed as: PF = TRUE POWER / APPARENT POWER FETCh [ : SCALar] : POWer : AC : PFACtor :TOTal? MEASure [ : SCALar] : POWer : AC : PFACtor : TOTal? Return parameters...
  • Page 44 Programmable AC Power Source 6560/6590 User’s Manual These queries return the ac rms voltage, which is being output at the output terminals. FETCh [ : SCALar] : VOLTage : AC : TOTal? MEASure [ : SCALar] : VOLTage : AC : TOTal? These queries return the summary ac rms voltage, which is being output at the output terminals.
  • Page 45 Calibration Procedure all commands are sent to all output phases. This command affects the set voltage and queries Measurement data. For example, if “INST : COUP ALL ”, “INST : NSEL 2” and “Meas : V?” are programmed, the AC source will return ∅2’s measured voltage. INST : NSEL selects phase by number, and INST : SEL refers to it by name.
  • Page 46 Programmable AC Power Source 6560/6590 User’s Manual OUTPut : PROTection : CLEar This command clears the latch that disables the output when a condition of over current (OC), over temperature (OT), overpower (OP) or remote inhibit (RI) is detected. All conditions that generate the fault must be removed before the latch is cleared.
  • Page 47 Calibration Procedure CURRent [ : LEVel] [ : IMMediate] [ : AMPLitude] <n> Set the rms current limit [SOURce :] CURRent [ : LEVel] [ : IMMediate] [ : AMPLitude] <NR2> Query syntax CURRent [ : LEVel] [ : IMMediate] [ : AMPLitude] ? Parameter 0.00 to 100.00 Return parameters...
  • Page 48 Programmable AC Power Source 6560/6590 User’s Manual This command sets the active buffer of waveform generator. There are two waveform buffers. One is A and another is B. You can select active buffer using FUNC : SHAP A | B command. [SOURce :] FUNCtion : SHAPe : A | B <shape>...
  • Page 49 Calibration Procedure Return parameters <NR2> This command sets the rms output voltage level of AC source. This command is programmed to change the setting value only. But it does not output until “OUTP ON” is programmed. There are two ways to program voltage 1.
  • Page 50 Programmable AC Power Source 6560/6590 User’s Manual sent with the command. Data points should be in range of 0 to 4095 so as to meet the correct rms value. The data should meet the following requirements: D1+D2+..+D1000 = 1000 × 2048 = 500 ×...
  • Page 51 Calibration Procedure course, Master is zero and unchangeable. TPHase <NR2> Set transient phase angle Query syntax TPHase? Parameter 0.0 to 359.99 Return parameters <NR2> This command sets the transient phase of AC source. TPHase:SYNC IMM | SYNC Query syntax TPHase:SYNC? Return parameters IMM | PHAS When “TPH:SYNC IMM”...
  • Page 52 Programmable AC Power Source 6560/6590 User’s Manual : VOLTage [: LEVel] : STARt <n>{, <n>} : POINts? : END <n>{, <n>} : POINts? : SHAPe A | B {, A | B} POINts? : STARt <n>{, <n>} : END <n>{, <n>} : LOOP <n>{, <n>} : STEPno <n>{, <n>} LIST : COUNt <NR1>...
  • Page 53 Calibration Procedure Query Syntax [SOURce : ] : LIST : SPHase? Parameter 0 to 359.99 Return parameters <NR2> LIST: QUIT This command interrupts the running LIST. LIST : BASE TIME | CYCle This command sets the time base in LIST mode. Query Syntax [SOURce : ] : LIST : BASE? Parameter...
  • Page 54 Programmable AC Power Source 6560/6590 User’s Manual LIST : FREQuency [: LEVel] <NR2>{, <NR2>} This commands sets the frequency sequence. The frequency points are given in the command parameter, which are separated by comma or space. Query Syntax [SOURce: ] : LIST: FREQuency? Parameter 15.00 to 2000.00 Return parameters...
  • Page 55 Calibration Procedure by command parameters that are separated by comma or space. Query Syntax [SOURce :] : LIST: VOLTage: STARt? Parameter 0.0 to 300.0 Return parameters <NR2>{, <NR2>} LIST : VOLTage [: LEVel] : END : POINt? <NR1> This query returns the number of points specified in LIST: VOLTage [: LEVel] : END. return value is the total number of points.
  • Page 56 Programmable AC Power Source 6560/6590 User’s Manual Query Syntax [SOURce : ] : LIST : STARt? Parameter 0 to 39 Return parameters <NR1>{, <NR1>} LIST : END <NR1>{, <NR1>} This command sets the sequence of the ending sequence in LOOP SETUP. These parameters are separated by commas or space.

  • Page 57: Command Summary

    SYSTem : VERSion? This query requests the AC source to identify itself. Return parameters Chroma ATE, 6530, 1234, 2.01 SYSTem : LOCal This command can only be used under the control of RS-232C. If SYST : LOC is programmed, the AC source will be set in LOCAL state, and the front panel will work.
  • Page 58 Programmable AC Power Source 6560/6590 User’s Manual * SAV<n> Save the AC source status Instrument Commands: FETCh | MEASure [ : SCALar] : CURRent :AC? Query the AC rms current :AC :TOTal? Query the AC summary rms current : AMPLitude : MAXimum? Query the peak current : AMPLitude : MAXimum:TOTal? Query the peak current : CREStfactor?
  • Page 59 Calibration Procedure :TOTal INSTrument : COUPle ALL | NONE : NSElect <n> : SELect <OUTPut> ORELay ON | OFF OUTPut [: STATe] <bool> : PROTection : CLEar : DELay <n> PROPerty BUFF[ER] |IMM[EDIATELY] RANGe HIGH | LOW [SOURce :] CURRent [: LEVel] [: IMMediate] [: AMPLitude] <n>...
  • Page 60 Programmable AC Power Source 6560/6590 User’s Manual VOLTage [: LEVel] [: IMMediate] [: AMPLitude] <n> SYSTem : ERRor? TRACe | DATA [: DATA] <US1, . . ,US6>, <D1, D2. . . > TRIGger [: SEQuence1 | : TRANsient] [: IMMediate] DPHAse <NR2>...
  • Page 61 Calibration Procedure : STEPno <n>{, <n>} SYSTem : VERSion? : LOCal : REMote : RWLock F-5-53...

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