Keithley 2302 User Manual Download

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Model 2302/2302-PJ/2306/2306/2306-VS
Battery/Charger Simulator

Instruction Manual

2306-901-01 Rev. F / April 2008

A G R E A T E R M E A S U R E O F C O N F I D E N C E

www.keithley.com

Model 2302/2302-PJ/2306/2306/2306-VS
Battery/Charger Simulator

Instruction Manual

2306-901-01 Rev. F / April 2008

A G R E A T E R M E A S U R E O F C O N F I D E N C E

2306-901-01 (F - April 2008).qxp 5/1/2008 9:47 AM Page 1

99 Washington Street
Melrose, MA 02176

Phone

781-665-

1400

Toll Free 1-800-517-8431

Visit us at www.T

estEquipmentDepot.com

Summary of Contents for 2302

Page 1: ...C E www keithley com Model 2302 2302 PJ 2306 2306 2306 VS Battery Charger Simulator Instruction Manual 2306 901 01 Rev F April 2008 A G R E A T E R M E A S U R E O F C O N F I D E N C E 2306 901 01 F...

Page 2: ...Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 3: ...nts express written consent or misuse of any product or part This warranty also does not apply to fuses software non rechargeable batteries damage from battery leakage or problems arising from normal...

Page 4: ...Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 5: ...Simulator Instruction Manual 2008 Keithley Instruments Inc All rights reserved Cleveland Ohio U S A Sixth Printing April 2008 Document Number 2306 901 01 Rev F Test Equipment Depot 800 517 8431 99 Wa...

Page 6: ...ew Revision of the manual Each new Revision includes a revised copy of this print history page Revision A Document Number 2306 901 01 March 1999 Addendum A Document Number 2306 901 02 January 2000 Rev...

Page 7: ...IEC 60664 Most measurement control and data I O signals are Measurement Category I and must not be directly connected to mains voltage or to voltage sources with high transient over voltages Measureme...

Page 8: ...id personal contact to prevent burns The symbol indicates a connection terminal to the equipment frame If this symbol is on a product it indicates that mercury is present in the display lamp Please no...

Page 9: ...tions 2 2 Remote sense 2 3 Local sense 2 4 RFI considerations 2 4 Outputting voltage and current 2 5 Setting voltage protection value 2 5 Selecting proper current range 2 6 Selecting current limit mod...

Page 10: ...ge and trigger level 3 7 Pulse current display mode 3 9 Pulse current measurement procedure 3 10 Determining correct trigger level pulse current 3 10 SCPI programming pulse current measurements 3 13 C...

Page 11: ...Control Overview 5 2 Connections 5 4 Controlling relays 5 5 SCPI programming 5 6 6 External Triggering Model 2306 VS Only Overview 6 2 Model 2306 VS features 6 2 Typical trigger sequence 6 2 Trigger...

Page 12: ...enable registers 8 18 Programming example program and read measurement event register 8 19 Queues 8 19 Output queue 8 20 Error queue 8 20 Programming example read error queue 8 21 9 Common Commands Ov...

Page 13: ...adback accuracy 13 11 5A range readback accuracy 13 11 5mA range readback accuracy 13 12 500mA range readback accuracy 13 14 Digital voltmeter input accuracy 13 16 14 Calibration Introduction 14 2 Env...

Page 14: ...disassembly 15 5 Removing mechanical components 15 5 Instrument reassembly 15 6 16 Replaceable Parts Introduction 16 2 Ordering information 16 2 Factory service 16 2 Parts lists and component layouts...

Page 15: ...cs General information F 2 Specifications F 2 Power supply overview F 2 Operational differences F 2 Front panel operation F 2 SCPI operation F 2 Calibration F 3 G 488 1 Protocol GPIB 488 1protocol G 2...

Page 16: ...Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 17: ...e for pulse high measurement 3 18 Figure 3 5 Sample pulse forms for step method 3 25 Figure 3 6 Sample one shot only pulses for step method 3 25 Figure 3 7 Sample STEP Pulse measurement 3 26 Figure 3...

Page 18: ...verification tests 13 14 Figure 13 5 Connections for DVM accuracy verification 13 16 14 Calibration Figure 14 1 Connections for voltage calibration 14 6 Figure 14 2 Connections for 5A 500mA current ca...

Page 19: ...ST SEARch and DETect commands 3 20 Table 3 4 Setting UP and DOWN commands 3 24 Table 3 5 Sample TLEV values for Figure 3 8 3 27 Table 3 6 Sample integration times 3 29 4 Long Integration Measurements...

Page 20: ...2 FORMat command summary refer to Format subsystem in Section 11 12 4 Table 12 3 OUTPut command summary refer to Tables 2 3 and 5 2 12 5 Table 12 4 SENSe command summary refer to Tables 2 3 3 2 and 4...

Page 21: ...6 Model 2306 VS display board parts list 16 21 Table 16 7 Model 2306 VS analog board parts list 16 22 Table 16 8 Model 2306 VS mechanical parts list 16 31 B Error and Status Messages Table B 1 Error...

Page 22: ...Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 23: ...ed in this manual NOTES This manual covers Keithley Models 2302 2302 PJ 2306 2306 PJ and 2306 VS simulators power supplies Since the Model 2302 and 2302 PJ are single channel battery simulators functi...

Page 24: ...l Safety symbols and terms Keithley uses a standard set of safety symbols and terms that may be found on an instrument or in its manual The symbol on an instrument indicates that the user should refer...

Page 25: ...uick Results Guide Hardcopy Model 2306 VS External Trigger Functionality Flowchart Hardcopy If an additional manual is required order the manual package The manual package includes a manual and any pe...

Page 26: ...NING NO INTERNAL OPERATOR SERVICABLE PARTS SERVICE BY QUALIFIED PERSONNEL ONLY CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING MADE IN U S A LINE RATING 100...

Page 27: ...E SENSE SOURCE ISOLATION FROM EARTH 22 VOLTS MAX DVM IN 30 VDC MAX TRIGGER CAT I IN OUT IN OUT CHANNEL 1 CHANNEL 2 POWER DISPLAY OPERATE ENTER SET MENU LOCAL 2306 VS DUAL CHANNEL BATTERY CHARGER SIMUL...

Page 28: ...a digital voltmeter DVM that is independent of the power supply circuit The DVM can measure up to 30V 1mV resolution When used with a pulsed load the power supply can read back peak current idle curr...

Page 29: ...NOTE When using the remote display VFD BRIGHTNESS may not appear in the main menu dependent on the firmware revision in the unit Plug the remote display module into the rear panel connector labeled RE...

Page 30: ...tch to the on 1 position Power up sequence On power up the power supply performs self tests on its RAM and EPROM After a blinking cursor appears on line one RAM tests are completed After a blinking cu...

Page 31: ...he power module 4 Snap the fuse out of the drawer and replace it with the same type 250V 2 0A 5 20mm time lag The Keithley part number is FU 81 CAUTION For continued protection against fire or instrum...

Page 32: ...equency See Section 4 for details Any one of the four display modes can be the power on default Use the SAVE SETUP item of the MENU to save the selected display mode in memory and use the POWER ON SET...

Page 33: ...G 1 ON PULSE AVG 2 ON 1 1495 A 1 1495 A Long integration LONG INT 1 ON LONG INT 2 ON Section 4 1 0236 A 1 0236 A NOTES 1 or 2 indicates present active channel ON indicates that the output is turned on...

Page 34: ...ower cycle set to zero VFD brightness Over bus 1 From display FULL BRIGHTNESS Output bandwidth LOW HIGH Output impedance 0 00 Not Applicable Pulse current High time 33 sec 33 sec Low time 33 sec 33 se...

Page 35: ...age step OFF OFF End voltage 0V 0V Reading AUTO AUTO Points 1 1 VPT ON ON Long integration Integration time 1 second 1 second Pulse timeout 16 seconds 16 seconds Trigger edge RISING RISING Trigger lev...

Page 36: ...or to one of the user saved setups SAV0 SAV4 Note the operate state output is always recalled as OFF POWER ON SETUP Select the setup to use at power up RST SAV0 SAV4 output off When powering up to th...

Page 37: ...ss level OFF FULL 3 4 1 2 1 4 Set bandwidth HIGH LOW Set battery channels impedance 0 1 Sect 6 Sect 2 Sect 2 Sect 2 Note 1 Note 1 Note 1 Sect 2 Note 2 Sect 5 Note 2 Note 3 Sect 10 Sect 2 Sect 2 PULSE...

Page 38: ...500mA Use TRIGGER LEVEL menu mA 100mA 0 100mA item charger channel supports mA 10mA 0 10mA 5A current range only Model 2306 2306 VS and 2306 PJ Set battery channel 1 trigger level range 5A 1A 100mA o...

Page 39: ...ENTER is pressed with the incorrect channel selected press the MENU key to cancel changes use or to toggle to the desired channel and then press ENTER to select the displayed primary menu item Displa...

Page 40: ...tandard the power supply accepts optional command words Any command word that is enclosed in brackets is optional and does not have to be included in the program message Query commands Most command wo...

Page 41: ...o measure and display the actual voltage and current being delivered to the DUT SCPI Programming measure V and I and DVM input Contains SCPI commands related to measuring voltage and current Independe...

Page 42: ...2306 VS feature only Test connections WARNING When installing a unit into a test system make sure the external power sources do not apply voltage to the power supply in excess of its maximum limits s...

Page 43: ...supplies an unregulated voltage This unregulated voltage value can be up to 18V or down to 5V Use voltage protection to turn off the output and protect against the extremes refer to Setting voltage pr...

Page 44: ...ct Connector Model 2306 Source Input Output DVM Input DVM DVM Source Source Sense Sense Source Source Twisted Pair DUT Figure 2 2 Local sense connections RFI considerations Operating the power supply...

Page 45: ...which can be turned ON or OFF If ON protection voltage values below 0 volts 0 6 volts are not allowed If OFF protection voltage can go negative to the extent of the set voltage protection voltage For...

Page 46: ...to scroll Scroll until CURRENT RANGE is displayed on the bottom line 3 Select channel for CURRENT RANGE Toggle between CURRENT RANGE 1 or 2 using the keys The 1 battery channel active or 2 charger cha...

Page 47: ...r 2 using the The 1 battery channel active or 2 charger channel active will appear on the bottom line of the display 4 Press ENTER 5 Use the keys to display the desired current limit mode LIM or TRIP...

Page 48: ...to move the blinking cursor to the current limit field 4 Use the and keys to key in the desired current limit 5 Press SET to exit from output settings mode NOTE Once in Set Mode enter Set Mode by pres...

Page 49: ...u cannot increment a digit that would display a value that jumps to the maximum For example for the value 14 200 V you cannot increment the 1 or the 4 since the resultant value would exceed 15 000 V W...

Page 50: ...idth is automatically set to low as summarized in Table 2 2 Table 2 2 Output bandwidth setting for a channel Output Current Bandwidth ON 5A LOW or HIGH user selectable OFF 5mA or 5A LOW OFF ON 5mA LOW...

Page 51: ...e The Model 2306 output impedance can be checked or changed with the output on or off The output impedance is selectable from 0 00 to 1 00 in 10 milli steps default is 0 Procedure NOTE The following p...

Page 52: ...8V Query state of VPT no associated command Sets VPT clamp mode ON or OFF Set current limit value in amps 0 006 to 5 100 A res Select current limit type LIMit or TRIP Query state of current limit no a...

Page 53: ...EF Select the default current range for charger channel 2 The response for RANGe query returns the selected range value which is either 5 0000 or 0 0050 SENSe 1 CURRent RANGe AUTO b Appliesto battery...

Page 54: ...to charger channel 2 This command specifies HIGH or LOW bandwidth You can program the bandwidth at any time However when the output is OFF or the current range is 5mA for the Model 2306 and 2306 VS or...

Page 55: ...ENTER Voltage readings are located on the top line of the display and current readings are located on the bottom line NOTE For details on display modes see Display modes in Section 1 Measurement conf...

Page 56: ...ents Note that it is not used to set the integration rate for pulse current and long integration measurements These measurements are covered in Sections 3 and 4 respectively Average readings The avera...

Page 57: ...1 to 10 VOLT 1 0 1 SENSe2 FUNCtion name NPLCycles n AVERage NRf SENSe2 subsystem for Channel 2 charger channel Select readback function VOLTage CURRent or DVMeter Set integration rate in line cycles...

Page 58: ...example with the average count set to 10 READ ARRay will trigger and return 10 battery channel readings charger channel command similar 2 Signal oriented measurement commands e g READ are covered in S...

Page 59: ...he end of this section demonstrates how to use these commands to measure the DVM input Sink operation Sink operation allows the power supply to be used as a constant current load To function as a cons...

Page 60: ...st com pliance current Itest Select Rtest so that Vcharger the desired test voltage is the product of Itest and Rtest Figure 2 4 sense sense output output Model 2306 Charger Circuit RS VS VCharger RCa...

Page 61: ...current measurement function READ Trigger 5 current measurement conversions and return the average of those 5 conversions The average of the 5 readings is displayed on the front panel Charger channel...

Page 62: ...et average reading count to 10 READ ARR Trigger and return 10 readings The average of the 10 readings is displayed on the front panel Charger channel 2 DISP CHAN 2 Set active channel charger SENS2 FUN...

Page 63: ...current measurements two for pulse current digitization and three for pulse current step method NOTES This manual covers Keithley Models 2302 2302 PJ 2306 2306 PJ and 2306 VS simulators power supplies...

Page 64: ...se triggers the low measurement and an integration is performed for the time specified for the low measurement An average measurement is triggered on the rising edge and the integration is specified b...

Page 65: ...mA 0 100mA and 0 10mA These ranges also affect trigger level resolution for the 500mA current range Trigger level range For the Models 2306 2306 VS and 2306 PJ on the 5A current range this setting aff...

Page 66: ...ion time periods for pulse measurements can be set automatically or manually by the user When the pulse auto time operation is performed the instrument measures the high and low periods of the detecte...

Page 67: ...8 053msec auto internal time 28 053ms 0 015msec 28 038ms auto integral time 28 033ms response returned when time setting is queried When a pulse time is set via the bus the time is assumed to be an au...

Page 68: ...e is linked to current limit Therefore as a general rule the user selects the cur rent range before setting the current limit See Outputting voltage and current in Section 2 for details on current ran...

Page 69: ...ifies the number of measurements integrations to aver age for each reading For example with measurement count set to 10 each displayed reading will reflect the average of 10 pulse current measurements...

Page 70: ...V mA 1 mA 10 0 0000A To change the range for the trigger level setting place the blinking cursor on the A at the far right end of line two of the display and press the or key After keying in the trigg...

Page 71: ...ger detection will not occur Pulse current display mode Pulse current measurements are displayed with the pulse current display mode selected This display mode is selected as follows NOTE To display m...

Page 72: ...pulses are detected current will not be measured i e A and the NO PULSE message will be displayed The NO PULSE message is displayed with dashes or the last valid pulse reading Dashes are shown if the...

Page 73: ...o low or too high the NO PULSE message will be displayed 4 Go into the menu select PULSE CURRENT 1 2 and then TRIGGER LEVEL 5 Change the PCUR TRIG LEV 1 2 and press ENTER If the trigger level is still...

Page 74: ...ange of 1A 1 May appear depends on OUTPUT If OFF the message will appear If ON display of the message will depend on the trigger level setting If trigger level setting expected low measurement and als...

Page 75: ...NRf Specify integration time in sec for digitizing or burst measurements B10 firmware and later 33 33e 6 to 0 8333 3 333e 5 SYNChronize Pulse detection triggering STATe Send ON to select pulse current...

Page 76: ...o 19 Specify zero to always use the PCUR STEP DELay value 0 SKIP Specify whether 1 or not 0 to skip sequential triggers 1 Only requires 1 trigger 0 Requires multiple triggers RANGe NRf Model 2306 2306...

Page 77: ...333 3 333e 5 AVERage NRf Specify integration time in sec for average pulse measurements 33 33e 6 to 0 8333 3 333e 5 DIGitize NRf Specify integration time in sec for digitizing or burst measurements B1...

Page 78: ...plus the user when determining integration times Before the integration process begins after pulse detection the internal trigger delay of 15 sec for code execution in addition to any user specified...

Page 79: ...not Note that none of the TIME commands account for the user trigger delay SENSe 1 PulseCURrent FAST b Appliesto battery channel 1 SENSe2 PulseCURrent FAST b Appliesto charger channel 2 Refer to Using...

Page 80: ...default settings are not used Set the value for TOUT as follows TOUT Search Time Period Search Time time allowed for detection of a pulse edge Period time between consecutive pulse edges In other wor...

Page 81: ...ch time and TOUT are not incurred while pro cessing non user triggered commands refer to Section 10 of the User s Manual for examples of user triggered Search time or TimeOUT needs to elapse when chec...

Page 82: ...section 8 on the status model for more information Model 2306 User s Man ual For triggered readings the PTT Pulse Trigger Timeout bit will be set if the reading times out and the pulse is not detecte...

Page 83: ...ection If the pulse is detected the front panel will display PULSE HI LO AVG on the top line of the display along with the reading on the bottom line If no pulses are detected the front panel will dis...

Page 84: ...of iterations as specified with the AVERAGE command when the TLEVel threshold is exceeded The message DIGITIZE is displayed instead of readings The NO PULSE message will be displayed if the pulse is n...

Page 85: ...array of values are returned e g READ 1 ARRay TLEV steps TLEV trigger level steps are used to define the pulse sequence A maximum of 20 steps may be defined These steps can be all UP steps all DOWN st...

Page 86: ...the average of the active step measurements NOTE If there are zero 0 active steps when a trigger command for step is received number of steps UP the number of steps DOWN 0 one reading will be returne...

Page 87: ...setting for the selected trigger level range is not exceeded See Trigger level range on page 3 29 Figure 3 7 has 5 rising edge steps and 4 falling edge steps Set the trigger levels for each step measu...

Page 88: ...TEP Pulse measurement Pulse sequences rising and falling Consider the pulse form in Figure 3 8 This pulse form has three falling DOWN level steps followed by three rising UP level steps Since these st...

Page 89: ...ls between steps To accomplish this configure the Model 2306 for measuring the pulse sequence then generate the pulse sequence See the programming example One shot pulse on page 3 33 Pulse sequences d...

Page 90: ...p When the TOUT value is reached an overflow value for that step reading is returned Although all step measurements after the first TOUT step are returned as overflow readings all step measurements pe...

Page 91: ...es not have a unique trigger level range Changing ranges When changing ranges the currently active TLEV trigger level step values are checked This check verifies that the new range maximum setting doe...

Page 92: ...sions The average of the 10 conversions is displayed on the front panel Each of the ten conversion syncs to the rising edge Charger channel 2 DISP CHAN 2 Sets active channel charger SENS2 CURR RANG 5...

Page 93: ...NS FUNC PCUR Select pulse current function READ ARR Trigger and return 3600 readings after sync ing to the falling edge for the 1st reading only Charger channel 2 DISP CHAN 2 Sets active channel charg...

Page 94: ...timeout this has to be longer than pulse period SENS PCUR STEP DEL 10e 3 Specify 10 milliseconds for user step delay With 50 milliseconds of step duration we use 50 milliseconds step duration 30 milli...

Page 95: ...step duration 400 step processing time 100 step integration time 50 step delay 50 spare time SENS PCUR STEP TOUT 8e 3 Specify 8 milliseconds for step timeout ex cept first one SENS PCUR STEP TOUT INIT...

Page 96: ...ious step measurement and being ready for next With 600 microseconds of step duration we have 50 microseconds to spare 600 step duration 400 step processing time 100 step integration time 50 step dela...

Page 97: ...power supplies Since the Model 2302 and 2302 PJ are single channel battery simulators functions related to the second channel i e the charger channel are not available for the Model 2302 and 2302 PJ T...

Page 98: ...nominator represents the integration time of 1 PLC 16 67 msec for 60Hz or 20 ms for 50Hz and processing overhead The function int rounds the argument down to next lowest integer Long integration is a...

Page 99: ...However you must make sure that the integration time covers only the portion of the pulse you want to measure For example if you want a long integration of two pulses you must make sure that the set...

Page 100: ...re always performed on the 5A current range For the Models 2306 2306 VS and 2306 PJ on the 5A current range three settings battery channel only are available 5A 1A or 100mA Use the range that provides...

Page 101: ...the instrument searches for a pulse If a pulse is not detected within the specified time PULSE TIMEOUT the NO PULSE message will be displayed While the NO PULSE message is displayed the instrument co...

Page 102: ...t readings mode can be used with long integration function ality see the FAST command in Table 4 2 3 DETect may be enabled to only detect pulses between user triggered readings see the DETect command...

Page 103: ...EGRAT 1 menu Current range is linked to current limit Therefore as a general rule the user selects the cur rent range before setting the current limit See Outputting voltage and current in Section 2 f...

Page 104: ...TEGRAT 2 refers to the charger channel Trigger edge A pulse edge can be used to trigger the start of the measurement TRIGGER EDGE Select RISING to use a rising pulse edge to start the measurement Sele...

Page 105: ...ange LINT TLEV mA 1 mA 100 0 0000A 10mA Range LINT TLEV mA 1 mA 10 0 0000A To toggle the range for the trigger level place the blinking cursor on the A at the far right end of line two of the display...

Page 106: ...tion measurement procedure The following steps summarize the procedure to perform long integration current measurements 1 Set the output voltage and current limit and press OPERATE NOTE Setting the tr...

Page 107: ...the trigger level is too low or too high Perform the Determining correct trigger level long integration procedure on page 4 11 to find an appropriate trigger level While the NO PULSE message is displa...

Page 108: ...s NOTE For the battery channel make sure the trigger level range setting agrees with the trigger level setting set in Step 4 LONG INT TRIG NOT DETECTED message The TRIG NOT DETECTED message is possibl...

Page 109: ...level in amps for 5A range 0 5 5mA resolution 0 0 ONE NRf Set trigger level in amps for 1A trigger level range 0 1 1mA resolution 0 0 MILLiamp NRf Set trigger level in amps for 100mA range 0 0 1 0 1m...

Page 110: ...de OFF SENSe2 SENSe subystem for channel 2 charger channel FUNCtion LINTegration Select long integration measurement function VOLT LINTegration Long integration configuration TIME NRf Set integration...

Page 111: ...ement commands are provided in Section 10 Using FAST SEARch and DETect Use FAST SEARch and DETect to control how background readings are taken A background reading is a measurement taken by the power...

Page 112: ...NT With FAST set to ON no background long integration measurements occur no pulse detection between user triggered readings occur no checking for the parameter of LINT TLEV commands to detect a pulse...

Page 113: ...pulses are detected or by search time if pulses are detected Reading time does not have to elapse after detecting the pulse in this mode Therefore the longest response time to bus commands is approxim...

Page 114: ...veness to bus commands is affected by TOUT Therefore the long est response time to bus commands is approximately the greater of either TOUT or search time plus reading time refer Figure 4 3 This funct...

Page 115: ...Set trigger level to 100mA for 1A trigger level range SENS LINT TLEV RANG 0 5 Select 1A trigger level range SENS LINT TEDG RISING Select rising trigger edge to initiate measurement SENS LINT TIME AUT...

Page 116: ...4 20 Long Integration Measurements Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 117: ...e for the Model 2302 and 2302 PJ Therefore battery and charger channel features contained in this manual apply for the Model 2306 and 2306 PJ the Model 2306 VS cannot be used for relay control only ba...

Page 118: ...internal power source If the supplied 5VDC source is used to drive the external relay the relay circuit must not exceed 250mADC total 100mADC per channel Note that the coil protection diodes are buil...

Page 119: ...lay 4 Pin 5 Pin 4 Pin 2 Pin 1 Pin 7 Pins 3 6 9 5 1 9 6 4 3 2 8 7 Relay 1 Relay Coil Power Supply Relay Control 5VDC Chassis Ground Relay 2 Relay 3 Relay 4 CAUTION For internal source relay control Do...

Page 120: ...s connector The illustration provides terminal identification for the conductors of the plug 5 1 9 6 4 3 2 8 7 Figure 5 3 Relay connector 9 pin D sub Table 5 1 Relay pinouts for Figure 5 3 Pin Connect...

Page 121: ...linking cursor through the available relays 1 2 3 4 Immediately following the relay number and colon is the relay control option Set the relay control options for each relay to a 1 or 0 Selecting a 1...

Page 122: ...ose ONE or open ZERO relay control circuit for relay 1 ZERO RELay2 name Close ONE or open ZERO relay control circuit for relay 2 ZERO RELay3 name Close ONE or open ZERO relay control circuit for relay...

Page 123: ...306 VS Commands Provides detailed information on the additional Model 2306 VS commands that support external triggering and voltage stepping Programming Examples Gives several programming examples tha...

Page 124: ...Channels can be triggered sequentially or in parallel Automatically enable a measurement to be taken during each voltage step readings are stored until requested A single trigger in pulse may be confi...

Page 125: ...ctor Use only quality 50 coaxial cable for all trigger connections to ensure proper operation Figure 6 2 Model 2306 VS rear panel trigger connectors WARNING NO INTERNAL OPERATOR SERVICABLE PARTS SERVI...

Page 126: ...Figure 6 3 Trigger input signal Triggers Step On Leading Edge High 3V 5V Low 0 8V 2 s Minimum A Falling Edge Input Trigger Triggers Step On Leading Edge High 3V 5V Low 0 8V 2 s Minimum B Rising Edge...

Page 127: ...another set of measurements STEP NRf1 NRf2 NRf3 Set voltage step parameters step 1 20 voltage 0 15 delay 0 5 Step 1 20 0V voltage step 0s delay step STEP NRf Query voltage and delay for a given step n...

Page 128: ...bsystem BOTH name Select channel both control type NONE VOLT or AUTO NONE EDGE Path for specifying the trigger in out pulse edges IN name Select trigger in pulse polarity RISING or FALLING FALLING OUT...

Page 129: ...feature and to make changes after being ON Recalling a setup user or RST will automatically set this state to OFF regardless of the value when saved NOTE When enabled a channel will automatically turn...

Page 130: ...ta from the buffer before being overwritten by another measurement However if voltage stepping only and not taking measurements the list will cycle around to step 1 and continue stepping voltages and...

Page 131: ...ameters are sent the unit will generate a too much data error message If NRf1 and NRf2 are valid parameter values the voltage value for specified step NRf1 is updated regardless of the validity if NRf...

Page 132: ...ing the trigger in pulse For SYNC the only measurement option is pulse current see Section 3 To perform synchronized pulse current measurements a valid trigger level setting is needed to cause the det...

Page 133: ...OTH configuration on channel 1 2 When enabled a channel will automatically turn the output ON and turn the display OFF When disabled the output goes OFF and display goes back ON If the parameter is ON...

Page 134: ...hile long integration is the selected function on the channel Error message 237 Trigger external enable long integration conflict Other setting conflicts that may be seen while enabled 1 Trying to cha...

Page 135: ...next trigger in pulse unless a complete set of POINts measurements has been taken In this case the TRIG EXT ENAB INIT command must be sent to resume taking measure ments Make sure after generating a...

Page 136: ...in to trigger out than the time for step 20 s trigger in to trigger out This happens since step 20 after completing it s measurement will then post process all 20 measurements into the buffer for a FE...

Page 137: ...surement on chan nel of trigger in pulse 3 Automatically trigger a voltage current DVM or pulse current measurement on chan nel opposite channel from trigger in pulse 4 Pulse current measurements in s...

Page 138: ...06 VS is waiting for the trigger signal Loop 2 Monitor for trigger out pulse on channel 1 Generate 8 trigger in pulses on channel 1 and monitor for trigger out pulses on channel 1 make sure a new trig...

Page 139: ...and put into the buffer after voltage stepping Loop1 TRIG EXT ENAB ON turn external triggering ON 2306 VS is waiting for the trigger signal monitor for the trigger out on channel 1 Loop2 generate 4 tr...

Page 140: ...second delay TRIG2 EXT STEP 4 1 2 step 4 voltage is 1 with 2 second delay TRIG2 EXT STEP 5 1 25 1 step 5 voltage is 1 25 with 1 second delay TRIG2 EXT STEP 6 1 5 2 step 6 voltage is 1 5 with 2 second...

Page 141: ...TRIGEXT TWOON enable both functionality on channel 2 monitor for the trigger out pulse on channel 2 Loop 2 generate 5 trigger in pulses on channel 2 and detect trigger out pulses make sure a new trigg...

Page 142: ...IG EXT STEP POIN 6 step voltage is 6 on channel 1 Loop TRIG EXT ENAB ON enable voltage stepping on channel 1 monitor for trigger out on channel 1 will pulse low for about 10us generate trigger in puls...

Page 143: ...306 2306 PJ and 2306 VS simulators power supplies Since the Model 2302 and 2302 PJ are single channel battery simulators functions related to the second channel i e the charger channel are not availab...

Page 144: ...nds to control every programmable aspect of the instrument GPIB bus connections To connect the power supply to the GPIB bus use a cable equipped with standard IEEE 488 connectors The IEEE connector on...

Page 145: ...s metric screws Do not use ear ly versions of IEEE 488 cables that do not use metric screws to secure connec tions On the GPIB cable connectors metric screws are dark colored while non metric screws a...

Page 146: ...up on the top line of the display Setting the GPIB timeout for responses When using GPIB to control the power supply make sure to set the GPIB timeout for responses The appropriate setting is dependen...

Page 147: ...25 seconds set the GPIB timeout for responses 25000 Setting timeout when taking pulse current high and pulse current average readings is similar MAV Message Available Bit The MAV is an alternative to...

Page 148: ...tempt to program it over the bus Simply setting REN true does not actually place the instrument in the remote state You must address the instrument to listen after setting REN true before it goes into...

Page 149: ...es not affect instrument settings and stored data SDC selective device clear The SDC command is an addressed command that performs essentially the same function as the DCL command However since each d...

Page 150: ...ndicator turns on When the instrument is in remote all front panel keys except for the LOCAL key are locked out The LOCAL key cancels the remote state and restores local operation of the instrument Pr...

Page 151: ...se brackets are used to denote an optional command word that does not need to be included in the program message For example FORMat DATA These brackets indicate that DATA is implied optional and does...

Page 152: ...rors 110 thru 222 Angle Brackets Angle brackets are used to denote a parameter type Do not include the brackets in the program message For example OUTPut 1 b The b indicates that a Boolean type parame...

Page 153: ...will not be executed Short form rules Use the following rules to determine the short form version of any SCPI command or parameter If the length of the word is four letters or less no short form vers...

Page 154: ...until the command is executed Multiple command messages You can send multiple command messages in the same program message as long as they are separated by semicolons Here is an example showing two co...

Page 155: ...and SCPI commands in the same message Both common commands and SCPI commands can be used in the same message as long as they are separated by semicolons A common command can be executed at any command...

Page 156: ...the same query are separated by commas The following example shows the response message for a program message that contains four single item query commands 0 1 1 0 Response message terminator RMT Eac...

Page 157: ...ueue and error queue NOTES This manual covers Keithley Models 2302 2302 PJ 2306 2306 PJ 2306 VS simulators power supplies Since the Model 2302 and 2302 PJ are single channel battery simulators functio...

Page 158: ...RQ has occurred Status register sets A typical status register set is made up of a condition register an event register and an event enable register A condition register is a read only register that c...

Page 159: ...ical OR Condition Register 1 1 Calibration Summary 0 9 11 4 4 4 0 1 2 0 1 2 0 1 2 7 14 CONDition EVENt ENABle NRf ENABle Questionable Event Registers 14 14 10 10 ESE NRf Event Event Enable Standard Ev...

Page 160: ...event register STATus PRESet STATus subsystem Reset all bits of the following enable registers to 0 Operation event enable register Measurement event enable register Questionable event enable registe...

Page 161: ...for the bits that you wish to set Note that Figure 8 2 includes the decimal weight for each register bit To set bits B4 B3 and B1 the parameter value would be the sum of the decimal weights for those...

Page 162: ...ervice Request Enable Register OSB Operation Summary Bit MSS Master Summary Status RQS Request for Service ESB Event Summary Bit MAV Message Available QSB Questionable Summary Bit EAV Error Available...

Page 163: ...that an enabled questionable event has occurred Bit B4 message available MAV Set summary bit indicates that a response message is present in the output queue Bit B5 event summary bit ESB Set summary b...

Page 164: ...program you can periodically read the status byte to check if an SRQ has occurred and what caused it If an SRQ occurs the program can for example branch to an appropriate subroutine that will service...

Page 165: ...Default STB SRE NRf SRE Read status byte register Program the service request enable register 0 to 255 Read the service request enable register Note Note CLS and STATus PRESet have no effect on the s...

Page 166: ...t an instrument operation did not execute properly due to some internal condition Bit B4 execution error EXE Set bit indicates that the power supply detected an error while trying to execute a command...

Page 167: ...uery Error OPC Operation Complete Logical AND OR Logical OR OPC B0 128 27 32 25 16 24 8 23 4 22 1 20 Decimal Weights URQ B6 B15 B8 PON B7 CME B5 EXE B4 DDE B3 QYE B2 B1 OPC B0 URQ B6 B15 B8 ESR ESE NR...

Page 168: ...nt limit tripped 1 CLT1 Set bit indicates that the battery channel s 1 output has turned off due to a current limit trip condition This bit clears when the output is turned back on Battery channel onl...

Page 169: ...eration Condition Register Operation Event Register Operation Event Enable Register B2 ___ B2 ___ B2 B1 B1 B1 VPT1 B0 B0 B0 VPT1 VPT1 VPT2 VPT2 VPT2 ___ 2 21 HSS HSS HSS B15 B9 ___ B15 B9 ___ B15 B9 _...

Page 170: ...r channel s 2 reading exceeds the measurement range of the instrument Charger channel only for the battery channel see Bit 3 Bit B7 pulse trigger timeout 2 PTT2 Set bit indicates that a charger channe...

Page 171: ...ent Register PTT Pulse Trigger Timeout ROF Reading Overflow BF Buffer Full RAV Reading Available Logical AND OR Logical OR 32 B6 B6 26 B6 64 B7 B7 27 B7 128 B8 B8 28 B8 256 B9 BF1 B9 29 B9 8 16 512 10...

Page 172: ...lear after successful calibration of the power supply OR Qusetionable Event Enable Register Cal Calibration Summary Logical AND OR Logical OR Decimal Weights EVENt 256 28 CONDition Cal B8 B7 B0 B15 B9...

Page 173: ...egister Read measurement condition register Read questionable condition register Event registers As Figure 8 1 shows each status register set has an event register When an event occurs the appropriate...

Page 174: ...propriate enable command i e STATus OPERation ENABle 0 Table 8 5 Common and SCPI commands event enable registers Command Description Default ESE NRf ESE STATus OPERation ENABle NRf ENABle MEASurement...

Page 175: ...for the array of data as shown in the example If the Model 2306 is talked too early for the buffer data then a GPIB timeout may occur See Setting the GPIB timeout for Responses in Section 6 The follo...

Page 176: ...e holds error and status messages When an error or status event occurs a message that defines the error status is placed in the error queue When a message is placed in the error queue the error availa...

Page 177: ...ble command along with the null list parameter as follows STATus QUEue ENABle Table 8 6 SCPI commands error queue Command Description Default STATus QUEue NEXT ENABle list ENABle DISable list DISable...

Page 178: ...8 22 Status Structure Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 179: ...al apply for the Models 2306 2306 VS and 2306 PJ only battery channel features contained in this manual apply for the Model 2302 and 2302 PJ Refer to Appendix F for specific Model 2302 and 2302 PJ inf...

Page 180: ...complete bit in the standard event register after all pending commands have been executed OPC Operation complete query Places an ASCII 1 into the output queue when all pending selected device operati...

Page 181: ...event register will set after all pending com mand operations are complete When OPC is sent an ASCII 1 is placed in the output queue after all pending command operations are complete Typically either...

Page 182: ...ference applies to the battery channel channel 1 while the second line applies to the charger channel channel 2 SAV NRf save Save present setup in memory RCL NRf recall Return to setup stored in memor...

Page 183: ...e When the power supply is addressed to talk the coded result is sent from the output queue to the computer A returned value of zero 0 indicates that the test passed and a value of one 1 indicates tha...

Page 184: ...9 6 Common Commands Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 185: ...or the Models 2306 2306 VS and 2306 PJ only battery channel features contained in this manual apply for the Model 2302 and 2302 PJ Refer to Appendix F for specific Model 2302 and 2302 PJ information I...

Page 186: ...eturns a new array of charger channel 2 readings MEASure 1 function Performs a READ on the specified battery channel 1 function MEASure 1 ARRay func tion Performs a READ ARRay on the specified battery...

Page 187: ...d reading or reading array is sent to the computer These commands do not affect the instrument setup These commands do not trigger measurements but are triggered before reading s They return the last...

Page 188: ...lected function The number of readings to average or put in an array is set using the SENSe AVERage for voltage current and DVM readings or SENSe PCURrent AVERage for pulse current readings command Se...

Page 189: ...e MEASure LINTegration and MEASure ARRay LINTegration are basically the same BOTHTRG Trigger channel1 thenchannel 2 BOTHFETCH Getchannel 1reading thenchannel 2read ing BOTHREAD Trigger bothchannelsthe...

Page 190: ...10 6 Signal Oriented Measurement Commands Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 191: ...t available for the Model 2302 and 2302 PJ Therefore battery and charger channel features contained in this manual apply for the Models 2306 2306 VS and 2306 PJ only battery channel features contained...

Page 192: ...text message mode see Note 2 Note 1 RST or RCL have no effect on the display circuitry and user defined text messages 2 STATe b when power cycle enable is off b 0 3 This command is valid if DISP ENAB...

Page 193: ...e will be generated The Model 2306 DISP cannot be used with the Model 2306 VS DISPlay CHANnel NRf Sets active displaychannel Parameters NRf 1 or 2 To set front panel to battery channel active NRf 1 To...

Page 194: ...ad of executed NOTE Use DISPlay TEXT STATe b to enable the text message mode DISPlay TEXT STATe b Control message DISPlay WINDow 1 TEXT STATe b Parameters b 0 or OFF Disable text message 1 or ON Enabl...

Page 195: ...d exponent to other formats However some speed is compromised to accommodate the conversion The following shows the ASCII format for a reading of 10 058 volts 1 00580000 E 01 IEEE754 formats SREal wil...

Page 196: ...ead separately before the rest of the string The number of bytes to be transferred can be calculated as follows Bytes 2 Rdgs 4 1 for SREAL Bytes 2 Rdgs 8 1 for DREAL where 2 is the number of bytes for...

Page 197: ...b AZERo STATe b TRIGger TALK BOTH b CONTinuous b Read power line frequency Select power on setup RST or SAVx where x 0 to 4 2306 2302 x 0 to 2 2306 PJ 2306 VS 2302 PJ Query SCPI revision level Read an...

Page 198: ...er up with the output OFF SYSTem AZERo STATe b Enable ordisable auto zero This command enables ON or disables OFF auto zero which is normally part of the measurement process used to null internal offs...

Page 199: ...hannel features contained in this manual apply for the Model 2302 and 2302 PJ Refer to Appendix F for specific Model 2302 and 2302 PJ information Information contained in this section applies to all p...

Page 200: ...acter sets These optional characters do not have to be included in the program message Do not use brackets in the program message Angle brackets are used to indicate parameter type Do not use angle br...

Page 201: ...el Query the active display channel setting WINDow 1 Path to locate message to display TEXT Control user text message Note 2 DATA a Define ASCII message a up to 32 characters String of 32 spaces DATA...

Page 202: ...ult parameter SCPI FORMat DATA type Specify data format ASCii SREal or DREal ASCii DATA Query data format BORDer name Specify byte order NORMal or SWAPped SWAPped BORDer Query byte order 12 4 SCPI Tab...

Page 203: ...lay 2 port pin digital I O 2 RELay3 name Close ONE or open ZERO relay control circuit for relay 3 2 ZERO RELay3 Query the value at relay 3 port pin digital I O 2 RELay4 name Close ONE or open ZERO con...

Page 204: ...s 2306 and 2306 VS or 500mA or 5A for the 2306 PJ 5 0 UPPer Query current measurement range AUTO b Enable or disable auto range OFF AUTO Query state of auto range PCURrent Path to configure the pulse...

Page 205: ...EP Query state for performing step measurements UP NRf Specify number of UP steps 0 20 max is for both up and down combined 1 UP Query number of UP steps specified DOWN NRf Specify number of DOWN step...

Page 206: ...when on 500mA current range The parameter NRf sent with this command causes the trigger to be set with the trigger level setting of HALFamp HUNDred or TEN MILLiamp Model 2306 PJ only Query the trigge...

Page 207: ...nge on 500mA current range 0 500mA 0 0 HALFamp Model 2306 PJ only Query the 500mA trigger level setting on the 500mA current range HUNDred NRf Model 2306 PJ only Set trigger level in amps for 100mA ra...

Page 208: ...HUNDred or TEN MILLiamp Model 2306 PJ only Query the trigger level setting on the 500mA current range Receives responses in amps of 0 5 0 1 or 0 01 accordingly DELay NRf Specify trigger delay in seco...

Page 209: ...er level for 1A range 0 to 1 amps 0 ONE Query trigger level for 1A range MILLiamp NRf Set trigger level for 100mA range 0 to 0 1 amps 0 MILLiamp Query trigger level for 100mA range HALFamp NRf Model 2...

Page 210: ...6 TimeOUT Query timeout SEARch b Enable or disable pulse search ON SEARch Query state of pulse search FAST b Enable or disable long integration fast readings mode OFF FAST Query long integration fast...

Page 211: ...times AUTO Power supply sets integration times accounts for internal trigger delay but not user delay DEL HIGH NRf Specify integration time in sec for high pulse measurements 33 33E 06 to 0 8333 accou...

Page 212: ...reading setting SEARch b Enable or disable pulse current search ON SEARch Query pulse current search setting DETect b Enable or disable pulse current detection mode OFF DETect Query pulse current det...

Page 213: ...lse search ON SEARch Query state of pulse search FAST b Enable or disable long integration fast readings mode OFF FAST Query long integration fast readings mode DETect b Enable or disable long integra...

Page 214: ...limit value in amps 0 006 5 with 100 A resolution 0 25 VALue Query current limit TYPE name Select current limit type LIMit or TRIP LIM TYPE Query current limit type STATe Query state of current limit...

Page 215: ...on register OPERation Path to control the operation status registers EVENt Read the event register Note 2 ENABle NRf Program the enable register Note 3 ENABle Read the enable register Notes 1 Commands...

Page 216: ...ISable Read the disabled messages CLEar Clear all messages from error queue Table 12 6 cont STATus command summary cont refer to Section 8 Command Description Default parameter SCPI Notes 1 Commands i...

Page 217: ...Query selected protocol AZERo Path to control auto zero STATe b Enable ON or disable OFF auto zero ON STATe Query auto zero state TRIGger Path to trigger commands TALK Path to talk commands BOTH b Set...

Page 218: ...trigger feature state INIT Initialize channel to take another set of STEP POINts measurements STEP NRf1 NRf2 NRf3 Set voltage step parameters step 1 20 voltage 0 15 delay 0 5 Step 1 20 0V step 0s del...

Page 219: ...ize channel to take another set of STEP POINts measurements STEP NRf1 NRf2 NRf3 Set voltage step parameters step 1 20 voltage 0 15 delay 0 5 Step 1 20 0V step 0s delay STEP NRf Query voltage and delay...

Page 220: ...ping ON VPT Query VPT state BOTHTRIGEXT name Enable disable external trigger configurations ONEON ONEOFF TWOON TWOOFF BOTHON or BOTHOFF Table 12 8 Model 2306 VS external trigger command summary cont r...

Page 221: ...apply for the Models 2306 2306 VS and 2306 PJ only battery channel features contained in this manual apply for the Model 2302 and 2302 PJ Refer to Appendix F for specific Model 2302 and 2302 PJ inform...

Page 222: ...rst receive the unit to make sure that it was not damaged during shipment To verify that the unit meets factory specifications To determine if calibration is required Following calibration to make sur...

Page 223: ...d Allow the Model 2306 to warm up for at least one hour before conducting the verification procedures If the unit has been subjected to temperature extremes those outside the ranges stated above allow...

Page 224: ...use See Resistor considerations for temperature coefficient Resistor connections When performing the verification tests that use the precision resistors be sure to connect the Model 2306 OUTPUT 1 or...

Page 225: ...rforming the verification test procedures Test summary DC voltage output accuracy DC voltage readback accuracy DC current output accuracy DC current readback accuracy Digital voltmeter input accuracy...

Page 226: ...ication tests WARNING NO INTERNAL OPERATOR SERVICABLE PARTS SERVICE BY QUALIFIED PERSONNEL ONLY CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING MADE IN U S...

Page 227: ...ge to the indicated value A value of current compliance of 0 25A is sufficient Allow the reading to settle Verify that the multimeter reading is within the limits given in the table 1 Repeat steps 1 t...

Page 228: ...urn on the Model 2306 output 4 Verify voltage readback accuracy for each of the voltages listed in Table 13 3 For each test point Set the Model 2306 output voltage to the indicated value as measured b...

Page 229: ...ICE BY QUALIFIED PERSONNEL ONLY CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING MADE IN U S A LINE RATING 100 120VAC 200 240VAC 50 60 HZ 165VA MAX LINE FUSE...

Page 230: ...ecord the digital multimeter voltage reading Calculate the current from the voltage reading and actual 1 resistor value I V R Verify that the current is within the limits given in the table 1 Repeat s...

Page 231: ...he currents listed in Table 13 5 For each test point By changing the output voltage adjust the current to the correct value as determined from the multimeter voltage reading and characterized resistan...

Page 232: ...IN U S A LINE RATING 100 120VAC 200 240VAC 50 60 HZ 165VA MAX LINE FUSE SLOWBLOW 2 0A 250V IEEE 488 ENTER IEEE ADDRESS FROM FRONT PANEL MENU REMOTE DISPLAY OPTION _ _ _ _ SOURCE SENSE DVM IN SOURCE O...

Page 233: ...value In that case set the current to the closest possible value and modify reading limits accordingly Allow the reading to settle Verify that the actual Model 2306 current reading is within the limi...

Page 234: ...165VA MAX LINE FUSE SLOWBLOW 2 0A 250V IEEE 488 ENTER IEEE ADDRESS FROM FRONT PANEL MENU REMOTE DISPLAY OPTION _ _ _ _ SOURCE SENSE DVM IN SOURCE OUTPUT 1 ISOLATION FROM EARTH 22 VOLTS MAX RELAY CONT...

Page 235: ...be possible to set the output current to the exact value In that case set the current to the closest possible value and modify reading limits accordingly Allow the reading to settle Verify that the a...

Page 236: ...D PERSONNEL ONLY CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING MADE IN U S A LINE RATING 100 120VAC 200 240VAC 50 60 HZ 165VA MAX LINE FUSE SLOWBLOW 2 0A...

Page 237: ...the digital multimeter Set current compliance to 0 25A Allow the reading to settle Verify that the Model 2306 voltage reading is within the limits given in the table 1 Repeat steps 1 through 5 for Ch...

Page 238: ...13 18 Performance Verification Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 239: ...y for the Models 2306 2306 VS and 2306 PJ only battery channel features contained in this manual apply for the Model 2302 and 2302 PJ NOTES 1 Refer to Appendix F for specific Model 2302 and 2302 PJ in...

Page 240: ...82 F with a relative humidity of less than 70 unless otherwise noted Warm up period Allow the Model 2306 to warm up for at least one hour before performing calibration If the instrument has been subj...

Page 241: ...in insulation creating a shock hazard Calibration cycle Perform calibration at least once every two years to ensure the unit meets or exceeds its specifications Recommended calibration equipment Tabl...

Page 242: ...aracterized value of the resistor R is the change in resistance caused by heating Front panel calibration Use the following procedure to calibrate the Model 2306 from the front panel Table 14 2 summar...

Page 243: ...4V 14V Figure 14 1 on page 14 6 1 10 Full scale output voltage 14V Figure 14 1 on page 14 6 2 11 Full scale measure 14V Figure 14 1 on page 14 6 3 12 Full scale DVM 14V Figure 14 1 on page 14 6 4 13 5...

Page 244: ...SERVICE BY QUALIFIED PERSONNEL ONLY CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING MADE IN U S A LINE RATING 100 120VAC 200 240VAC 50 60 HZ 165VA MAX LINE...

Page 245: ...function and auto ranging are still selected Figure 14 2 Connections for 5A 500mA current calibration WARNING NO INTERNAL OPERATOR SERVICABLE PARTS SERVICE BY QUALIFIED PERSONNEL ONLY CAUTION FOR CON...

Page 246: ...nt display reading to agree with the new current then press ENTER 14 For Model 2306 2306 VS Connect the 3k resistor in place of the 4 resistor Figure 14 3 For Model 2306 PJ Leave the 4 resistor in pla...

Page 247: ...Sense OUTPUT 1 connections shown Use OUTPUT 2 for Charger Channel _ _ _ _ SOURCE SENSE DVM IN SOURCE OUTPUT 2 Step 3 Perform Channel 2 charger channel calibration steps 1 Connect the OUTPUT 2 SOURCE...

Page 248: ...ance value I V R Adjust the Model 2306 current display value to agree with the calculated current value and press ENTER 13 The Model 2306 will prompt for another DMM reading which is used for Channel...

Page 249: ...calibration date to today s date then press ENTER The unit will display the following CALIBRATE UNIT EXITING CAL 5 Press ENTER to complete the calibration procedure and return to the menu display Cali...

Page 250: ...e Model 2306 is the same as the address specified in the program you will be using to send commands 4 Send the following command with the correct code to unlock calibration CAL PROT CODE code For exam...

Page 251: ...d the DMM voltage reading then calculate the current from that reading and characterized 4 resistor value Send the following command using that calculated current as the parameter CAL PROT STEP5 Calcu...

Page 252: ...o output 14V CAL PROT STEP9 14 3 Note and record the DMM reading then send that reading as the parameter for the following command CAL PROT STEP10 DMM_Reading For example if the DMM reading is 14 012V...

Page 253: ...e current from the voltage reading and actual 3k resistance value Send that current value as the parameter for the following command 15 CAL PROT STEP17 Calculated_Current Step 4 Program calibration da...

Page 254: ...PROT STEP9 14 Full scale 14V output Figure 14 1 10 CAL PROT STEP10 DMM_Reading Full scale output cal Figure 14 1 11 CAL PROT STEP11 DMM_Reading Full scale measure cal Figure 14 1 12 CAL PROT STEP12 D...

Page 255: ...edit keys set the display to the current present calibration code then press ENTER Default KI002306 The unit will prompt you as to whether or not to change the code CALIBRATE UNIT Change Code NO 6 Sel...

Page 256: ...arily short pins 3 and 7 of J1013 refer to Figure 14 4 The instrument will briefly display the following message CAL CODE UNLOCK DO FP CAL TO SEE 5 Go to the CALIBRATE UNIT selection in the main menu...

Page 257: ...st date calibrated CALIBRATE UNIT LAST ON 02 01 2003 2 Press the key The instrument will display the number of times it was calibrated CALIBRATE UNIT TIMES 1 3 Press MENU to return to the menu structu...

Page 258: ...14 20 Calibration Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 259: ...15 Disassembly Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 260: ...when handling PC boards Wear cotton gloves Only handle PC boards by the edges and shields Do not touch any board traces or components not associated with repair Do not touch areas adjacent to electri...

Page 261: ...unded work station Ground yourself with a suitable wrist strap Handle the devices only by the body do not touch the pins Ground any printed circuit board into which a semiconductor device is to be ins...

Page 262: ...ount the right ear to the right side of the chassis and the left ear to the left side of the chassis Each ear is marked RIGHT or LEFT on its inside surface 2 Remove rear bezel To remove the rear bezel...

Page 263: ...nd start the IEEE 488 connector nuts Tighten all the fasteners once they are all in place and the board is correctly aligned Front panel disassembly Follow the steps below to disassemble the front pan...

Page 264: ...ly made WARNING To ensure continued protection against electrical shock verify that power line ground green and yellow wire attached to the line filter module is connected to the chassis Also make cer...

Page 265: ...16 ReplaceableParts Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 266: ...at 1 800 552 1115 for a RMA Return Material Authorization number Complete the service form at the back of this manual and include it with the instrument Carefully pack the instrument in the original p...

Page 267: ...0 50V CERAMIC C 491 022 C145 309 CAP 270PF 5 100V CERAMIC C 465 270P C146 C308 CAP 1000PF 10 50V MONO CERAMIC C 452 1000P C147 C310 CAP 100PF 5 100V CERAMIC C 465 100P C148 CAP 0 01uF 20 50V CERAMIC C...

Page 268: ...32A07 CH 62 L108 L115 FERRITE BEAD CH 91 PS100 POWER SUPPLY PS 72A Q100 101 200 201 TRANSISTOR SMT TG 371 R101 R105 R201 R205 RES 200 5 250MW METAL FILM R 376 200 R112 RES 10 10 100MW THICK FILM R 418...

Page 269: ...284 RES 10K 1 100MW THICK FILM R 418 10K RT100 THERMISTER PD 7MW DEG C 1500V 613 74K RT 8 RV100 VARISTOR VR 23 RV101 RV102 RV103 TRANSIENT VOLTAGE SUPPRESSOR VR 19 S100 SWITCH PUSHBUTTON 6 POLE SW 466...

Page 270: ...31CPV16 LSI 188 U128 IC OCTAL INTER BUS TRANS 75161 IC 647 U129 U133 IC SERIAL EPROM 24LC16B LSI 153 U130 QUAD SPST ANALOG SWITCH IC 1211 U131 RS 232 LINE DRIVER RECEIVER IC 1129 U132 INTEGRATED CIRCU...

Page 271: ...15UF 20 50V CERAMIC C 418 15 C453 CAP 0 047U 10 50V CERAMIC C 491 047 C455 C458 CAP 33PF 5 100V CERAMIC C 465 33P C457 459 462 465 468 469 471 473 474 476 CAP 0 1UF 10 25V CERAMIC C 495 1 C460 C952 CA...

Page 272: ...613 618 620 624 642 676 711 CAP 0 1UF 20 50V CERAMIC C 418 1 C646 C658 C742 C743 C744 428 429 784 785 CAP 0 01UF 10 50V CERAMIC C 491 01 C653 CAP 0 047U 10 50V CERAMIC C 491 047 C659 C675 CAP 330P 10...

Page 273: ...SFET TG 349 Q425 Q430 Q625 Q629 P CHANNEL POWER MOSFET TG 348 Q426 626 NPN SILICON TRANSISTOR TG 309 Q427 Q428 Q627 Q628 TRANSISTOR SMT TG 376 R400 R600 RES NET TF 245 R401 R601 RES 6 04K 1 125MW THIN...

Page 274: ...W THICK FILM R 418 4 99K R445 R645 RES 15K 1 100MW THICK FILM R 418 15K R446 646 RES 909 1 1W THICK FILM R 418 909 R448 R648 RES 249K 1 100MW THICK FILM R 418 249K R451 R527 RES 2 55K 1 1W THICK FILM...

Page 275: ...R542 R742 RES 6 19K 1 100MW THICK FILM R 418 6 19K R548 R748 RES 0 015 1 5W 1 R 468 015 R552 RES 274 1 0 1W THIN FILM R 438 274 R553 RES 2 49K 1 0 1W THIN FILM R 438 2 49K R554 RES 24 9K 1 100MW THIN...

Page 276: ...403 U602 U603 IC QUAD 2 IN NOR 74HCT02 IC 809 U404 U604 IC NCHAN LAT DMOS QUADFET SD5400CY IC 893 U405 U605 U455 U466 U643 U654 INTEGRATED CIRCUIT OPA177GS IC 960 U406 424 436 439 464 606 623 636 639...

Page 277: ...OS ANALOG SWITCH DG211DY IC 768 U454 IC HI SPEED BIFET OP AMP AD711JR IC 894 U456 U626 IC DUAL D TYPE F F 74HC74 IC 773 U458 INTEGRATED CIRCUIT IC 1302 U459 INTEGRATED CIRCUIT IC 1299 U460 TINYLOGIC C...

Page 278: ...7 CH 62 R601 RES 10M 5 125MW METAL FILM R 375 10M R602 605 611 614 616 618 620 623 RES 10K 1 100MW THICK FILM R 418 10K R606 608 610 613 615 617 619 621 RES 15k 1 100MW THICK FILM R 418 15K R607 RES 1...

Page 279: ...22A FOOT RUBBER FE 6 FUSE EXP 2A 5X20MM S B FU 81 HANDLE 428 329F LINE CORD CO 7 LINE FILTER LF 11 MEMBRANE SWITCH 2306 313A MOUNTING EAR LEFT 428 338B MOUNTING EAR RIGHT 428 328E POWER ROD 704 313A P...

Page 280: ...V CERAMIC C 418 1 C138 C139 CAP 47U 20 25V C 520 47 C143 C311 CAP 022UF 10 50V CERAMIC C 491 022 C145 C270 C271 C309 CAP 270PF 5 100V CERAMIC C 465 270P C146 C308 CAP 1000PF 10 50V MONO CERAMIC C 452...

Page 281: ...0MM 6 3A FU 108 6 3 FH100 FH101 FH200 FH201 FUSE HOLDER LITTLEFUSE 111501 FH 33 J1002 CONN MOLEX 3 PIN CS 772 3 J1003 CONN RIGHT ANGLE 24 PIN CS 501 J1006 LATCHING HEADER FRICTON SGL ROW CS 724 3 J100...

Page 282: ...THICK FILM R 418 475 R127 R129 R133 R227 R229 R233 R259 R266 RES 475 1 100MW THICK FILM R 418 475 R131 R231 RES 1K 1 1 4W METAL FILM R 391 1K R135 R235 RES 1K 5 250MW METAL FILM R 376 1K R141 R142 R14...

Page 283: ...P IC 1292 U102 U202 IC TRIPLE 3 IN NAND 74F10 IC 659 U103 U203 IC DUAL POWER MOSFET DRIVER ICL7667 IC 1118 U104 U204 IC VOLTAGE REGULATOR IC 1132 U105 U205 IC VOLTAGE REGULATOR IC 1133 U106 U206 IC 15...

Page 284: ...24LC16B LSI 153 U136 U236 IC 235 MHZ TINY LO PWR AMP LM7121IM5X IC 1332 U140 IC HCPL0631 PACK IC 1153 Y100 CRYSTAL OSCILLATOR 7 68M CR 62 1 Y102 CRYSTAL FSM327 CR 41 Table 16 5 Model 2306 VS digital...

Page 285: ...32A07 CH 62 R601 RES 10M 5 125MW METAL FILM R 375 10M R602 R605 R611 R614 R616 R618 R620 R623 RES 10K 1 100MW THICK FILM R 418 10K R606 R608 R610 R613 R615 R617 R619 R621 RES 15K 1 100MW THICK FILM R...

Page 286: ...C663 C667 C685 C686 C693 CAP 01UF 10 50V CERAMIC C 491 01 C431 C432 C631 C632 CAP 1500P 20 700V C 560 1500P C434 C435 C634 C635 CAP 1000P 10 100V CERAMIC C 451 1000P C436 C464 C636 CAP 2 2U 10 50V TAN...

Page 287: ...U 10 50V TANTALUM C 563 2 2 C519 C719 CAP 220UF 20 50V ALUM ELEC C 507 220 C522 C525 C560 C563 C737 C760 C763 CAP 1UF 20 50V CERAMIC C 418 1 C524 C527 C530 C533 C545 C546 C555 C556 CAP 1UF 10 25V CERA...

Page 288: ...618 C620 C624 C642 C676 C711 C716 C718 CAP 1UF 20 50V CERAMIC C 418 1 C659 C675 CAP 330P 10 100V CERAMIC C 451 330P C674 C701 C589 CAP 2200P 1 50V CERAMIC C 532 2200P C687 C594 C705 C625 C626 C571 C51...

Page 289: ...PIN CS 1060 5 J1009 CONN HEADERSTRAIGHTSOLDERPIN CS 368 34 J1014 J1015 CONNECTOR MODULES CS 834 L400 L401 L402 L405 L408 L600 L602 FERRITE CHIP 600 OHM BLM32A07 CH 62 L403 L404 L603 L604 FERRITE CHIP...

Page 290: ...R613 R731 RES 6 04K 1 100MW THICK FILM R 418 6 04K R415 R615 R708 R735 R790 RES 49 9K 1 100MW THICK FILM R 418 49 9K R416 R616 R721 R724 RES 475 1 100MW THICK FILM R 418 475 R418 R618 R520 R521 RES 34...

Page 291: ...R484 R516 R518 R680 R681 R599 R794 RES 20K 1 100MW THICK FILM R 418 20K R485 R486 R497 C498 C644 C549 R759 R490 RES 1K 1 100MW THICK FILM R 418 1K R488 R489 R492 R493 R494 R499 R500 RES 10K 1 125W TH...

Page 292: ...499 1 100MW THICK FILM R 418 0499 R590 R756 RES 2 43K 1 1W THICK FILM R 418 2 43K R591 R755 RES 316K 1 100MW THICK FILM R 418 316K R594 R669 R657 R783 R789 R777 R778 RES 4 99K 1 100MW THICK FILM R 418...

Page 293: ...A177GS IC 960 U406 U424 U436 U439 U464 U606 U623 U636 IC PRECICION BIFET OP AMP IC 1194 U407 U607 IC DUALBIPOLAROP AMP LT1124CS8 IC 955 U409 U609 IC OP AMP NE5534D IC 802 U410 U435 U448 U461 U610 U648...

Page 294: ...55 U454 IC HI SPEED BIFET OP AMP AD711JR IC 894 U456 U626 IC DUAL D TYPE F F 74HC74 IC 773 U458 IC HIGH SPEED OPAMP OPA603AP IC 1302 U459 IC DIFET OPAMP OPA671AP IC 1299 U460 IC TINYLOGIC CMOS INVERTE...

Page 295: ...2 CONNECTOR CS 236 2 CONNECTOR CS 276 4 CONNECTOR CS 627 4 CONNECTOR BNC CS 249 1 CONNECTOR HOUSING CS 638 3 1 FAN FN 34 3 2 FOOT 428 319A 2 FOOT EXTRUDED FE 22A 2 FOOT RUBBER FE 6 1 FUSE EXP 2A 5X20M...

Page 296: ...16 32 Replaceable Parts Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 297: ...A Specifications Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 298: ...A 2 Specifications Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 299: ...B ErrorandStatusMessages Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 300: ...ory lost Expression error Hardware missing Data corrupt or stale Out of memory Illegal parameter value Too much data Parameter data out of range Settings conflict Parameter error Execution error Expre...

Page 301: ...y channel Pulse trigger detection timeout battery channel Reading available battery channel Reading overflow charger channel Pulse trigger detection timeout charger channel Reading available charger c...

Page 302: ...scale cal meas error charger channel DVM full scale cal meas error charger channel Amp source cal prepare error charger channel Amp source cal output error charger channel Amp source cal measure erro...

Page 303: ...conflict Both volt with a step volt or read conflict Both auto with a step volt or read conflict Trigger external setting channel enabled conflict Trigger external enabled system setting conflict Tri...

Page 304: ...B 6 Error and Status Messages Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 305: ...C CalibrationReference Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 306: ...se To unlock calibration so that you can perform the calibration procedure Format cal prot code code Parameter Up to an 8 character ASCII string including letters and numbers Description The CODE comm...

Page 307: ...librate Ch 1 5A measurement range using calculated current STEP7 Output 5mA nominal current for Ch 1 5mA range full scale cal STEP8 nrf Calibrate Ch 1 5mA measurement range STEP9 nrf Output Ch 2 full...

Page 308: ...1998 to 2097 mm 1 to 12 dd 1 to 31 Query cal prot date Response yyyy mm dd Description The DATE command allows you to store the calibration date in instrument EEROM for future reference You can read...

Page 309: ...store calibration constants Calibration data will not be saved if 1 Calibration was not unlocked by sending the CODE command 2 Invalid data exists for example cal step failed 3 An incomplete number o...

Page 310: ...ror Available bit bit 2 of the status byte will be set Use the STB query to obtain the status byte then test bit 2 to see if it is set If the EAV bit is set an error has occurred and you can use the a...

Page 311: ...r trigger level offset chan 1 416 Cal error t lev amp offset chan 1 424 Volt fullscale cal prepare error chan 2 425 Volt fullscale cal output error chan 2 426 Volt fullscale cal meas error chan 2 427...

Page 312: ...complete has been detected clear OPC status using one of two methods 1 use the ESR query then read the response to clear the standard event status register or 2 send the CLS command to clear the stat...

Page 313: ...D CalibrationProgram Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 314: ...computer Two shielded IEEE 488 bus cables Keithley Model 7007 Software requirements To use the calibration program you will need the following computer software Microsoft QBasic supplied with MS DOS 5...

Page 315: ...libration For test connections refer to the following figures in Section 14 Voltage connections Figure 14 1 5A current connections Figure 14 2 5mA current connections Figure 14 3 Program D 1 Model 230...

Page 316: ...AL PROT SAVE Save calibration constants PRINT 1 OUTPUT 16 CAL PROT LOCK Lock out calibration GOSUB ErrCheck PRINT Calibration completed PRINT 1 LOCAL 16 17 CLOSE END KeyCheck Check for key press routi...

Page 317: ...borted PRINT 1 OUTPUT 16 CAL PROT LOCK PRINT 1 LOCAL 16 17 CLOSE END Messages DATA On Ch 1 Connect DMM volts input to SOURCE SENSE and DVM IN terminals DATA On Ch 1 Connect DMM volts input and 4 ohm r...

Page 318: ...D 6 Calibration Program Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 319: ...l apply for the Models 2306 2306 VS and 2306 PJ only battery channel features contained in this manual apply for the Model 2302 and 2302 PJ Refer to Appendix F for specific Model 2302 and 2302 PJ info...

Page 320: ...nd GSM cellular handsets where the magnitude of the ON OFF current during transmission varies by as much as a factor of 20 In the absence of any filtering capacitance between the battery and the RF po...

Page 321: ...e with time shown in Figure E 4 of the battery packs and ranges between 200 500mV The results of these measurements prove that the impedance of the battery must be considered when evaluating handset p...

Page 322: ...be used to simulate the impedance of a battery pack The output impedance may be set from 0 00 default condition to 1 00 in 0 01 increments from the front panel or over the GPIB bus Time hrs Output Imp...

Page 323: ...0 10 The voltage drop 70mV in E 5c and 140mV in E 5e is approximately equal to the dynamic load current 1 4A multiplied by the output impedance E 5c 0 05 and E 5e 0 10 Figure E 5 1 4 amps 140mV 70mV...

Page 324: ...ws Figure E 6 Li ion voltage drop during the transmit portion of the pulse VH VL 0 348 V NOTE Figure E 6 shows the voltage drop during the transmit portion of the pulse of a GSM phone with the supplie...

Page 325: ...ith the results obtained with the battery included with the handset Figure E 7 VH VL 0 360V Model 2306 voltage drop during the transmit portion of the pulse NOTE Figure E 7 contains the voltage drop d...

Page 326: ...E 8 Applications Guide Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 327: ...ugh the Model 2302 and 2302 PJ are operated the same way as the Model 2306 2306 VS and 2306 PJ there are minor differences This appendix documents these variances F Model2302Specifics Test Equipment D...

Page 328: ...nted in this manual 2306 901 01 Operational differences Front panel operation Since the Model 2302 and 2302 PJ are single channel units disregard any statements in the manual such as Toggle active cha...

Page 329: ...and 2302 PJ single channel battery simulator WARNING NO INTERNAL OPERATOR SERVICABLE PARTS SERVICE BY QUALIFIED PERSONNEL ONLY CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH S...

Page 330: ...F 4 Model 2302 Specifics Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 331: ...on the 488 1 protocol which increases GPIB operating speed as well as special trigger commands to be used with that protocol G 488 1Protocol Test Equipment Depot 800 517 8431 99 Washington Street Melr...

Page 332: ...not reset The GPIB protocol setting is saved in EEPROM and the unit will power up with that selected protocol until changed again The GPIB protocol can be changed over the bus If you use the following...

Page 333: ...ation also means no multiple queries can be sent Otherwise full SCPI command syntax is still supported including long form and short form commands multiple commands and MIN MAX DEF parameter definitio...

Page 334: ...hannel 1 then it assumes a READ1 or else if channel 2 is active then READ2 Message available The MAV message available bit in the Serial Poll byte will be set when the query is finished being processe...

Page 335: ...to both channels READ1 for channel 1 READ 2 for channel 2 send SYSTem TRIGger TALK BOTH ON To disable the two readings trig on talk send SYSTem TRIGger TALK BOTH OFF Bus commands Table G 1 contains bu...

Page 336: ...le in continuous trigger mode as soon as a reading is triggered and calculated the next reading is triggered On the first reading the A D is configured for the desired measurement While in this mode a...

Page 337: ...g SREal format will provide a faster reading rate than when in ASCII mode Enabling trigger continuous mode turns display OFF while disabling it turns it back ON 488 1 protocol and trigger continuous m...

Page 338: ...surements Talk the power supply to get the ASCII one response back for OPC Talk the power supply for readings Keep talking the power supply for readings If after taking readings and desire to make a c...

Page 339: ...erations 14 4 Save constants and lock out 14 15 Temperature and relative humidity 14 2 Viewing date and count 14 19 Viewing date and count from the front panel 14 19 Warm up period 14 2 Calibration st...

Page 340: ...cuts 2 9 Effect of the variable output impedance control E 5 Electronic resisitance of NiCd NiMH and Li ion battery packs E 4 Error and status messages 7 8 Error queue 8 20 Event enable registers 8 18...

Page 341: ...5 2 19 4 7 Measurement event status 8 14 8 15 Mechanical parts list 16 15 Menu 1 14 Message G 3 G 4 Message Available Bit 7 5 Message exchange protocol 7 14 Model 2306 Dual Channel Battery Charger Sim...

Page 342: ...board 15 4 Case cover 15 4 Digital board 15 5 Mechanical components 15 5 REN remote enable 7 6 Resistor considerations 13 4 Response message terminator RMT 7 14 REVISION NUMBER 1 15 RFI 2 4 S Safety s...

Page 343: ...rrent measurement 3 4 TRIGGER EDGE 1 16 Trigger edge trigger level and trigger level range 4 8 TRIGGER LEVEL 1 16 Trigger level 3 3 4 4 Trigger level range pulse current trigger level 3 3 Triggering t...

Page 344: ...Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 345: ...ation only Certificate of calibration required Data required attach any additional sheets as necessary Show a block diagram of your measurement system including all instruments connected whether power...

Page 346: ...Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 347: ...Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 348: ...rade names are the property of Keithley Instruments Inc All other trademarks and trade names are the property of their respective companies 7 5X9BackCovr 12 06 qxd 1 10 07 2 45 PM Page 1 Test Equipmen...

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