Keithley 2000
Contents
1. oa 18 eo va sa 99 29 tea sia 2353 240 3A0 x3 309 DYNINOd 353 9 aos 10151804 smes Jo 953 19 gt quan OL Y gt YO tr 18 28 va Sa 98 48 88 S18 240 3A0 x3 KEN ASI Figure 2 Standard event status 23 Suunseow seow YO 1221801 YO 8 221807 0007 Jo eis 9JpI JPI 9 a1n314 296 ox g SMEIS JO 850 yg Arewiwuns uonesado oL 18 ZA 28 PA sa 98 Za 88 68 018 118 SLA 19151394 a qeug seow Sul IPI quaaq uonesdo YO 99 49 89 68 0L 118 519 IPI y E 8 08 LA ZA 8 va quaaq uonesado SEAN 09 19 za 9 9 sg 99 49 89 69 019 118 519 ses Su 24 Figure 3 Operation event status 19181934 ojqeu3 URO UIWDINSLIN 19181934 JU9AY Juawainseay 4aysi8ay uonpuo quawainseaw 1221801 YO P9180 9 Burpeay JOY Suipeay AVY 12. Command Description SYSTem PRESet Return to SYST PRES defaults POSetup name Select power on setup RST PRESet or SAVO POSetup Query power on setup FRSWitch Query INPUTS switch 1 front VERSion Query rev level of SCPI standard ERRor Query read Error Queue AZERO Path to set up autozero STATe lt b gt Enable or disable autozero STATe Query autozero KEY lt NRf gt Simulate key press 1 to 31 see Fig ure 5 10 of the User s Manual KEY Query the last pressed key CLEar Clears messages from the Error Queue BEEPer Path to control beeper STATe lt b gt Enable or disable beeper STATe Query state of beeper LOCal Take 2000 out of remote and restore operation of front panel controls RS 232 only REMote Place 2000 in remote RS 232 only RWLock Lockout front panel controls RS 232 only KCLick lt b gt Turn the keyclick on off KCLick Query the keyclick status LFRequency Query power line frequency 42 Table 13 TRACe command summary Command Description TRACel DATA Use or DATA as root com mand CLEar Clear readings from buffer FREE Query bytes available and bytes in POINts lt NRf gt POINts FEED lt name gt CONTrol lt name gt CONTrol FEED DATA use Specify size of buffer 2 to 1024 Query buffer size Select source of readings SENSe 1 CALCulate 1 NONE Select buffer contr
3. yng Avg TI 1194 HeH quur 1H ling joyng 149 19 29 va Sa 99 za 89 69 118 218 519 jos 11 lava H 148 9 1 8 4 995 Ag smeis JO ASW reuiung quawainseay OL 08 18 28 58 va se 98 49 89 68 018 119 218 519 JOY 11 1H 139 7 F F 08 LA 28 9 va 98 Za 89 68 org 1 L 218 519 JON 11 1H Java Av8 3H8 149 Figure 4 Measurement event status 25 29151395 ajqeuonsand 19181934 e qeuonsanQ ezten ajqeuonseand 1221807 YO reununs duo Arewung uoneqie 2 9 9n814 995 1915 8939 E E e snels JO 08 58 va 58 28 89 68 eig ig sig asd Luke duai eo use aqeuonsand og 0 0 09 8 va Sa 49 88 69 19 rig sLg d
4. INTernal 2 EXTernal lt list gt EXTernal LSELect lt name gt LSELect Specify internal scan list 2 to 10 channels Query internal scan list Specify external scan list 2 to 800 channels Query external scan list Select scan operation INTernal EXTernal or NONE Query scan operation 33 Table 10 SENSe command summary Command Description SENSe 1 FUNCtion lt name gt Select measurement function VOLTage AC VOLTage DC RESistance FRESistance CUR Rent AC CURRent FRE Quency TEMPerature PERiod DIODe CONTinuity FUNGC tion Query function DATA Return the last instrument reading FRESh Returns a new fresh reading HOLD Path to control Hold feature WINDow lt NRf gt Set Hold window 0 01 to 20 WINDow Query Hold window COUNt lt NRf gt Set Hold count 2 to 100 COUNt Query Hold count STATe lt NRf gt Enable or disable Hold STATe Query state of Hold CURRent AC Path to configure AC current NPLCycles n Set integration rate line cycles 0 01 to 10 NPLCycles Query line cycle integration rate RANGe Path to configure measurement range UPPer n Select range 0 to 3 1 UPPer Query range AUTO b Enable or disable auto range AUTO Query auto range REFerence n Specify reference 3 1 to 3 1 STATe lt b gt Enable or disable
5. DB REFerence lt n gt REFerence DBM IMPedance lt n gt IMPedance DC Select ACV measurement units V DB or DBM Path to set DB reference volt age Specify reference in volts 167 to 1000 Query DB reference Path to set DBM reference impedance Specify reference imped ance 1 to 9999 Query DBM reference impedance Query ACV units Select DCV measurement units V DB or DBM Path to set DB reference volt age Specify reference in volts 0 to 1000 Query reference Path to set DBM refernece impedance Specify reference imped ance 167 to 9999 Query reference impedance Query DCV units 44 Models 196 199 and 8840A 8842A commands Table 16 Models 196 199 device dependent command summary Mode Command Description Execute X Execute other device depen dent commands Function FO DC volts F1 AC volts F2 2 wire ohms F3 DC current EA AC current F5 ACV dB F6 Not valid F7 Frequency F8 Temperature F9 4 wire ohms Range DCV ACV DCA ACA Ohms ACVdB Freq RO Auto Auto Auto Auto Auto Auto R1 1V 1V 100 1A 1V R2 10V 10V 3A 10kQ 10V 1V R3 100V 100V 100kQ 100V 10V R4 1000V 750V 1MQ 750V 100V R5 1000V 750V 10MQ 750V 750V R6 1000V 750V 100MQ 750 R7 1000V 750V 100MQ 750 2 wire and 4 wire ohms Zero rel 20 Zero disabled 71 Zero enabled Z2 Zero enabled using a zero value V
6. 158 String data not allowed EE 154 String too long EE 15 Invalid string data EE 150 String data error EE 148 Character data not allowed EE 17 Table 3 Error and status messages cont Number Description Event 144 Character data too long EE 141 Invalid character data EE 140 Character data error EE 128 Numeric data not allowed EE 124 Too many digits EE 123 Exponent too large EE 121 Invalid character in number EE 120 Numeric data error EE 114 Header suffix out of range EE 113 Undefined header EE 112 Program mnemonic too long EE 111 Header separator error EE 110 Command header error EE 109 Missing parameter EE 108 Parameter not allowed EE 105 GET not allowed EE 104 Data type error EE 103 Invalid separator EE 102 Syntax error EE 101 Invalid character EE 100 Command error EE 000 No error SE 101 Operation complete SE 121 Device calibrating SE 122 Device settling SE 123 Device ranging SE 124 Device sweeping SE 125 Device measuring SE 126 Device calculating SE 161 Program running SE 171 Waiting in trigger layer SE 174 Re entering the idle layer SE 301 Reading overflow SE 302 Low limit 1 event SE 303 High limit 1 event SE 304 Low limit 2 event SE 305 High limit 2 event SE 306 Reading available SE 307 Voltmeter complete SE 308 Buffer available SE 309 Buffer half full SE 310 Buffer full SE 311 Buffer overflow SE 18 Table 3 Error and status mes
7. 2 Apply the test probes to the signal and wait for the beeper to sound to indicate a valid reading 3 Remove the hold condition by lifting the probes Pressing SHIFT and then HOLD a second time disables Hold Triggers Factory defaults place the instrument in a continuous immediate measurement mode The instrument can be placed in an external trigger mode where a pro grammed event is required to cause a measurement device action The instrument is placed in the external trigger mode by pressing the EXT TRIG key In this mode a device action measurement will occur when the TRIG key is pressed a bus trigger TRG or GET is received or an input trig ger via the TRIGGER LINK connector is received After the device action measurement an output trigger occurs and is available atthe TRIGGER LINK connector Refer to the User s Manual for details on using the trig ger link Pressing EXT TRIG a second time returns the instrument to continuous operation Delay A programmable delay before the device action measurement occurs is available It can be set manually or an auto delay can be used To set a delay press SHIFT and then DELAY Use the A and keys to select AUTO or MANual If MANual is chosen enter the duration of the delay and press ENTER The AUTO delay times are listed in Table 3 2 of the User s Manual 13 Scan operations The Model 2000 can be used with an internal scanner card Model 2000 SCAN or 2001 T
8. 09999 to 0 09999 Query temp coefficient Specify voltage offset at 0 C 0 09999 to 0 09999 Query voltage offset 39 Table 10 SENSe command summary cont Command Description FREQuency Path to configure frequency APERture Sets gate time for period measure ments 0 01 1 05 APERture Query period gate time THReshold Path to select the threshold volt age range VOLTage RANGe n Select threshold range 0 to 1010 RANGe Query threshold range REFerence n Specify reference 0 to 1 5e7 STATe b Enable or disable reference STATe Query state of reference ACQuire Use input signal as reference REFerence Query reference value DIGits lt n gt Specify measurement resolution 4 to 7 DIGits Query resolution PERiod Path to configure period APERture Sets gate time for period measure ments 0 01 1 05 APERture Query period gate time THReshold Path to select the threshold volt age range VOLTage RANGe n Select threshold range 0 to 1010 RANGe Query threshold range REFerence lt n gt Specify reference 0 to 1 STATe lt b gt Enable or disable reference STATe Query state of reference ACQuire Use input signal as reference REFerence Query reference value DIGits lt n gt Specify measurement resolution 4 to 7 DIGits Query resolution DIODe Paths to configure diode test CURRent RANGe Path to select range UPPer lt NRf gt Select ra
9. and contact with hazardous live circuits Maintenance personnel perform routine procedures on the product to keep it operating for example setting the line voltage or replacing consumable materials Maintenance procedures are described in the manual The procedures explicitly state if the operator may perform them Otherwise they should be performed only by service personnel Service personnel are trained to work on live circuits and perform safe installations and repairs of products Only properly trained service personnel may perform installa tion and service procedures Exercise extreme caution when a shock hazard is present Lethal voltage may be present on cable connector jacks or test fixtures The American National Standards Institute ANSI states that a shock hazard exists when voltage lev els greater than 30V RMS 42 4V peak or 60VDC are present A good safety practice is to expect that hazard ous voltage is present in any unknown circuit before measuring Users of this product must be protected from electric shock at all times The responsible body must ensure that users are prevented access and or insulated from every connection point In some cases connections must be ex posed to potential human contact Product users in these circumstances must be trained to protect themselves from the risk of electric shock If the circuit is capable of oper ating at or above 1000 volts no conductive part of the circuit may be
10. continuity press SHIFT and then CONT Use the 4 gt A and Y keys to set the resistance threshold level and press ENTER Connect the test leads to INPUT HI and LO Testing diodes With this feature the instrument measures the forward voltage drop of general purpose diodes and the zener voltage of zener diodes To test diodes press SHIFT and then gt Use the and keys to select the test cur rent Limit operations With this feature you can check to see of readings are within IN displayed below LO displayed or above HI displayed specified low and high reading limits You can also set the instrument to beep when readings are inside or outside of the limit range Setting limits To set limits absolute values press SHIFT and then LIMITS to display the high limit Use the 4 A and Y keys to enter the desired value and press ENTER Enter the low limit value and again press ENTER Enabling limits Press SHIFT and then ON OFF to dis play the beeper status Use the A and W keys to change the beeper status NEVER OUTSIDE or INSIDE and press ENTER to enable limits Pressing SHIFT and then ON OFF a second time disables limit operations 12 Reading hold With this feature an audible beep is sounded when a valid settled reading is acquired A valid reading is determined by the specified window and count 1 Press SHIFT and then HOLD Select a window per centage and enter a count
11. mask G2 Get calibration input prompt generates error message 51 G3 Get user defined message replies with 16 space characters G4 Get calibration status replies with 1000 G5 Get IAB status input F R autorange on off offset on off G6 Get YW status suffix enabled disabled termina tor selection G7 Get error status G8 Get instrument ID replies with FLUKE 8842A 0 EMUL G9 Get status of JKM com mands temp units TC type and junction String 1jkm 51 Table 17 Models 8840A 8842A device dependent command summary cont Mode Command Description GET cont G10 G11 Get closed channel number String 10nn Where nn 00 all open 01 through 10 closed channel Get simulated reference junction temperature String xx xxx in C Note G2 valid only in cali bration mode PUT PO PI P4 Put instrument configuration function range speed trigger Put SRQ mask Set simulated junction tem perature 0 to 50 C Default temperature 23 C PUT format N lt value gt PO N lt value gt P1 N lt value gt P4 Thermocouple KO Type J thermocouple type default KI Type K thermocouple K2 Type T thermocouple Temperature unit JO OG default JI K J2 SF Thermocouple MO Select simulated junction reference junction default M1 Select real junction channel 1 for 2001 TCSCAN card 52 Table 17 Mod
12. 1 N4 Close channel 4 N5 Close channel 5 N6 Close channel 6 N7 Close channel 7 N8 Close channel 8 N9 Close channel 9 N10 Close channel 10 N11 Step mode max channel is 2 N12 Step mode max channel is 3 N13 Step mode max channel is 4 N14 Step mode max channel is 5 N15 Step mode max channel is 6 N16 Step mode max channel is 7 N17 Step mode max channel is 8 N18 Step mode max channel is 9 N19 Step mode max channel is 10 N20 Open all stop scanning or stepping if applicable N21 Scan mode max channel is 2 N22 Scan mode max channel is 3 N23 Scan mode max channel is 4 N24 Scan mode max channel is 5 N25 Scan mode max channel is 6 N26 Scan mode max channel is 7 N27 Scan mode max channel is 8 N28 Scan mode max channel is 9 N29 Scan mode max channel is 10 48 Table 16 Models 196 199 device dependent command summary cont Mode Command Description Thermocouple JO Type J thermocouple JI Type K thermocouple J2 Type T thermocouple 00 Simulated reference junction for temperature function O1 Real reference junction for temperature function HO Set simulated reference junc tion temperature using V command 0 to 50 C 49 Table 17 Models 8840A 8842A device dependent command summary Mode Command _ Description Function F1 VDC default F2 VAC F3 2 wire kQ F4 4 wire kQ F5 mA DC F6 AC F7 Freq F8 Temp Range VDC VAC kQ mA DC
13. 2000 TST Self test query Performs a checksum test on ROM and returns the result WAI Wait to continue com Wait until all previous mand commands are executed 29 SCPI command subsystems Notes 1 Brackets are used to denote optional character sets These optional characters do not have to be included in the program message Do not use brackets in the program message 2 Angle brackets lt gt are used to indicate parameter type Do not use angle brackets in the program message 3 Upper case characters indicate the short from ver sion for each command word Table 5 Signal oriented measurement commands Command Description CONFigure lt function gt Places the Model 2000 in a one shot measurement mode for the specified function FETCh Requests the latest reading READ Performs an ABORt INITiate and a FETCh2 MEASurel lt function gt Performs an ABORt CONFig ure lt function gt and a READ 30 Table 6 CALCulate command summary Command beartu _________ CALCulate 1 Subsystem to control CALC 1 FORMat name Select math format NONE MXB PER Cent FORMat Query math format KMATh Path to configure math calculations MMFactor lt NRf gt Set m factor for mx b 100e6 to 10066 MMFactor Query m factor MBFactor lt NRf gt Set b factor for mx b 100e6 to 10066 MBFactor Query b factor MU
14. CSCAN or with external scanner cards installed in a switching main frame i e Model 7001 and 7002 Step Scan configuration A walk through menu is provided to configure stepping or scanning The main menu is accessed by pressing SHIFT and then CONFIG Use the 4 gt A V and ENTER keys to select scan type INTernal or EXTernal first channel in the scan MINimum CHANnel last channel in the scan MAXi mum CHANnel time between scans and reading count RDG CNT 4 and gt keys These keys can be used to manually scan through channels on the internal scanner card Press gt to manually increment channels or to man ually decrement channels Hold down either key to scan continuously OPEN and CLOSE keys Use these keys to open and close channels on the internal scanner card After press ing CLOSE use the 4 gt A and Y keys to display the desired channel 1 to 10 and press ENTER Selecting a different channel will cause the previously closed chan nel to open For the 24 function CLOSE will close the selected channel and the paired channel Paired chan nels for the Model 2000 SCAN are 1 amp 6 2 amp 7 3 amp 8 4 amp 9 and 5 amp 10 Channel pairs are similar for the Model 2001 TCSCAN except that channels 1 amp 6 are not paired STEP key Pressing this key starts a stepping operation of consecutive channels where output triggers are sent after every channel closure SCAN key Pressing this key
15. ER key to save any changes Relative rel Rel can be used to null offsets or subtract a baseline read ing from present and future readings When rel is enabled by pressing REL REL annunciator on the instrument uses the present reading as the relative value Subsequent readings will be the difference between the actual input value and the rel value You can define a rel value for each function Pressing REL a second time disables rel 10 Math To enable and configure a math operation press SHIFT and then the desired math key MX B dBm or dB Use the 4 gt and Y keys to configure the math operation and press ENTER when done Pressing SHIFT and then the related math key a second time disables the math operation MX B db Where X is the normal display reading m and b are the user entered constants Y is the displayed result Percent Input Reference x 100 Input Percent Where Input is the normal display reading Reference is the user entered constant Percent is the displayed result dBm dBm 10 log Where Vin is the DC or AC input signal Zrer is the specified reference impedance dB Vin dB 20 log Varg Where Vin is the DC or AC input signal Vere is the specified voltage reference impedance 11 Measuring continuity With this feature the instrument alerts you with a beep when a resistance reading is below the set level To measure
16. Filter PO Filter disabled P1 Moving filter count 10 P2 Repeat filter count 10 Rate 50 0 1 PLC integration 1 Line cycle integration 16 67msec 60Hz 20msec 50Hz 52 10 PLC 166 67msec integra tion 60Hz 200msec integration 50Hz 45 Table 16 Models 196 199 device dependent command summary cont Mode Command Description Trigger mode TO Continuous on Talk TI One shot on Talk T2 Continuous on GET T3 One shot on GET T4 Continuous on X T5 One shot on X T6 Continuous on External Trig ger T7 One shot on External Trigger Reading mode BO Readings from A D converter BI Individual readings from data store B2 All readings from data store buffer dump Data store size 10 Disable data store In Data store of n n 1 to 500 fill and stop Interval Q0 Default interval 175msec SELECT OFF Qn n interval in milliseconds 15msec to 999999msec Value V nn nnnn or Zero value simulated refer V n nnnnnnE n ence junction temperature Default condi tions Data format LO LI GO G1 G2 G3 G4 G5 G6 G7 Restore factory default condi tions and save L1 Save present machine states as default conditions Reading with prefix Reading without prefix Reading and buffer location with prefix Reading and buffer location without prefix Reading and channel with prefix Reading and channel without prefix Reading buffer location and channel with prefix
17. KEITHLEY Model 2000 Multimeter Quick Reference Guide Model 2000 Multimeter Quick Reference Guide 1995 Keithley Instruments Inc AII rights reserved Cleveland Ohio U S A Second Printing December 1999 Document Number 2000 903 01 Rev B Table of Contents Safety Precautions A A Front Panel Operation 5 Remote Operation Safety Precautions The following safety precautions should be observed be fore using this product and any associated instrumenta tion Although some instruments and accessories would normally be used with non hazardous voltages there are situations where hazardous conditions may be present This product is intended for use by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury Read the operating information carefully before using the product The types of product users are Responsible body is the individual or group responsible for the use and maintenance of equipment for ensuring that the equipment is operated within its specifications and operating limits and for ensuring that operators are adequately trained Operators use the product for its intended function They must be trained in electrical safety procedures and proper use of the instrument They must be protected from elec tric shock
18. Nits lt name gt Specify units for mx b reading three characters A through Z MUNits Query mx b units PERCent lt NRf gt Set target value for PERCent calcula tion 100e6 to 10066 ACQuire Use input signal as target value PERCent Query percent STATe b Enable or disable kmath calculation STATe Query state of kmath function DATA Read result of kmath calculation CALCulate2 Subsystem to control CALC 2 FORMat name Select math format MEAN SDEViation MAXimum MINimum or NONE FORMat Query math format STATe lt b gt Enable or disable calculation STATe Query state of math function IMMediate Recalculate raw input data in buffer IMMediate Perform calculation and read result DATA Read math result of CALC 2 31 Table 6 CALCulate command summary cont Command Description CALCulate3 LIMit 1 UPPer DATA DATA LOWer DATA DATA STATe lt b gt STATe FAIL CLEAR IMMediate AUTO lt b gt AUTO IMMediate n n Subsystem to control CALC 3 limit test Path to control LIMIT 1 test Path to configure upper limit Set upper limit 100e6 to 10066 Query upper limit Path to configure lower limit Set lower limit 100e6 to 100e6 Query lower limit Enable or disable limit test Query state of limit test Query test result 1 pass 0 fail Path to clear failed test Clear failed test indication Enabl
19. Reading buffer location and channel without prefix 46 Table 16 Models 196 199 device dependent command summary cont Mode Command Description SRQ MO Disable M1 Reading overflow M2 Data store full MA Data store half full M8 Reading done M16 Ready M32 Error EOI and bus KO Enable EOI and bus hold off hold off on X K1 Disable EOI enable bus hold off on X K2 Enable EOI disable bus hold off on X K3 Disable both EOI and bus hold off on X Terminator YO CR LF YI LF CR Y2 CR Y3 LF Status UO Send machine status word 199 format only Ul Send error conditions only supports no scanner IDDC IDDCO U2 Send Translator word list since Translator is not sup ported replies with one space character U3 Send buffer size U4 Send current value of V 199 format equivalent to U7 for 196 U5 Send input switch status front rear 199 format equivalent to U8 for 196 U6 Send simulated temperature set by HO Multiplex AO Auto Cal multiplex disabled AI Auto Cal multiplex enabled Delay Wn n delay period in millisec onds Omsec to 999999msec 47 Table 16 Models 196 199 device dependent command summary cont Mode Command Description Display Da Display up to 12 character message a character D Cancel display mode Scanning NO Open all stop scanning or stepping if applicable N1 Close channel 1 N2 Close channel 2 N3 Close channel
20. atus register query Identification query Operation complete command Operation complete query Option identification query Recall command Reset command Save command Clears all event registers and Error Queue Program the Standard Event Enable Register Read the Standard Event Enable Register Read the Standard Event Enable Register and clear it Returns the manufac turer model number serial number and firm ware revision levels of the unit Set the Operation Com plete bit in the Standard Event Status Register after all pending com mands have been exe cuted Places an ASCII 1 into the output queue when all pending selected device operations have been completed Returns an ID code that indicates which memory option is installed and whether or not the optional scanner card is installed Returns the Model 2000 to the setup configura tion stored in the speci fied memory location Returns the Model 2000 to the RST default con ditions Saves the current setup to the specified memory location 28 Table 4 IEEE 488 2 common commands and queries cont Mnemonic Name Description SRE lt NRf gt Service request enable Programs the Service command Request Enable Register SRE Service request enable Reads the Service query Request Enable Register STB Read status byte query the Status Byte Register TRG Trigger command Sends a bus trigger to the
21. ble or disable auto range Query auto range Specify reference 0 to 12066 Enable or disable reference Query state of reference Use input signal as reference Query reference value Specify measurement resolution 4 to 7 Query resolution Path to configure and control fil ter Select filter type MOVing or REPeat Query filter type Specify filter count 1 to 100 Query filter count Enable or disable filter Query state of digital filter 37 Table 10 SENSe command summary cont Command Description FRESistance NPLCycles n Path to configure four wire resis tance Set integration rate line cycles 0 01 to 10 NPLCycles Query line cycle integration rate RANGe Path to configure measurement range UPPer n Select range 0 to 101e6 UPPer Query range AUTO lt b gt Enable or disable auto range AUTO Query auto range REFerence n Specify reference 0 to 101 6 STATe lt b gt Enable or disable reference STATe Query state of reference ACQuire Use input signal as reference REFerence Query reference value DIGits n Specify measurement resolution 4 to 7 DIGits Query resolution AVERage Path to configure and control fil ter TCONtrol lt name gt Select filter type MOVing or REPeat TCONtrol Query filter type COUNt lt n gt Specify filter count 1 to 100 COUNt Query filter count STATe lt b gt Enable or disable filte
22. e or disable auto clear Query auto clear Re perform limit tests Table 7 DISPlay command summary Command Description DISPlay WINDow 1 Path to control user text messages DATA lt a gt Define ASCII message a up to 12 characters DATA Query text message STATe lt b gt Enable or disable message mode STATe Query text message state ENABle lt b gt Enable or disable the front panel display ENABle Query state of the display 32 Table 8 FORMat command summary Command Description FORMat DATA lt type gt lt length gt DATA ELEMents item list ELEMents BORDer name BORDer Select data format ASCii SREal or DREal Query data format Specify data elements READ ing CHANnel and UNITS Query data elements Select binary byte order NOR Mal or SWAPped Query byte order Table 9 ROUTe command summary Command Description ROUTe Commands to control scanner card CLOSe lt chan num gt Close specified channel 1 to 10 or channel pair 1 to 5 STATe Query closed channel or channel pair OPEN ALL Open all input channels 1 through 10 MULTiple Path to close and open multiple channels CLOSe lt list gt Close specified channels 1 to 11 STATe Query closed channel OPEN list Open specified channels 1 to 11 SCAN Path to scan channels INTernal lt list gt
23. edium 1 PLO Of No effect No effect No effect Of 1 10 Internal 5 On 10 Moving average Simulated 23 C Off 0 0 Medium 1 PLC J C On Auto Immediate No effect 75Q 5 6 10 Moving average Auto Off 0 0 Medium Medium 1 PLC DETector BANDwidth 30 16 Error and status messages Table 3 Error and status messages Number Description Event 440 Query unterminated after indefinite EE response 430 Query deadlocked EE 420 Query unterminated EE 410 Query interrupted EE 363 Input buffer overrun SYS 350 Queue overflow SYS 330 Self test failed EE 314 Save recall memory lost EE 315 Configuration memory lost EE 285 Program syntax error EE 284 Program currently running EE 282 Illegal program name EE 281 Cannot create program EE 260 Expression error EE 241 Hardware missing EE 230 Data corrupt or stale EE 225 Out of memory EE 224 Illegal parameter value EE 223 Too much data EE 222 Parameter data out of range EE 221 Settings conflict EE 220 Parameter error EE 215 Arm deadlock EE 214 Trigger deadlock EE 213 Init ignored EE 212 Arm ignored EE 211 Trigger ignored EE 210 Trigger error EE 202 Settings lost due to rtl EE 20 Invalid while in local EE 200 Execution error EE 178 Expression data not allowed EE 17 Invalid expression EE 170 Expression error EE 168 Block data not allowed EE 16 Invalid block data EE 160 Block data error EE
24. els 8840A 8842A device dependent command summary cont Mode Command Description Scanner channel Ln Control specified channel of internal scan card where n 0 Open all channels 1 through 10 close spec ified channel Note For 4 wire ohms only channels 1 through 5 are valid due to automatic channel pairing SRQ mask values SRQ disabled default SRQ on overrange SRQ on data available SRQ on any error Note Add SRQ mask values for combinations Example 33 for SRQ on overrange or any error 53 54 KEITHLEY Test Instrumentation Group 28775 Aurora Road Cleveland Ohio 44139
25. exposed As described in the International Electrotechnical Com mission IEC Standard IEC 664 digital multimeter mea suring circuits e g Keithley Models 175A 199 2000 2001 2002 and 2010 are Installation Category other instruments signal terminals are Installation Cate gory I and must not be connected to mains Do not connect switching cards directly to unlimited power circuits They are intended to be used with imped ance limited sources NEVER connect switching cards directly to AC mains When connecting sources to switching cards install protective devices to limit fault current and voltage to the card Before operating an instrument make sure the line cord is connected to a properly grounded power receptacle Inspect the connecting cables test leads and jumpers for possible wear cracks or breaks before each use For maximum safety do not touch the product test cables or any other instruments while power is applied to the cir cuit under test ALWAYS remove power from the entire test system and discharge any capacitors before connect ing or disconnecting cables or jumpers installing or re moving switching cards or making internal changes such as installing or removing jumpers Do not touch any object that could provide a current path to the common side of the circuit under test or power line earth ground Always make measurements with dry hands while standing on a dry insulated surface capable
26. g the indicated procedure The CAUTION heading in a manual explains hazards that could damage the instrument Such damage may invali date the warranty Instrumentation and accessories shall not be connected to humans Before performing any maintenance disconnect the line cord and all test cables To maintain protection from electric shock and fire re placement components in mains circuits including the power transformer test leads and input jacks must be pur chased from Keithley Instruments Standard fuses with ap plicable national safety approvals may be used if the rating and type are the same Other components that are not safety related may be purchased from other suppliers as long as they are equivalent to the original component Note that selected parts should be purchased only through Keithley Instruments to maintain accuracy and functional ity of the product If you are unsure about the applicability of a replacement component call a Keithley Instruments office for information To clean an instrument use a damp cloth or mild water based cleaner Clean the exterior of the instrument only Do not apply cleaner directly to the instrument or allow liquids to enter or spill on the instrument Products that consist of a circuit board with no case or chassis e g data acquisition board for installation into a computer should never require cleaning if handled according to in structions If the board becomes contamina
27. ides better noise performance at the expense of speed MEDium 1 PLC provides a com promise between noise and speed DIGITS Display resolution can be changed for any measurement function Use the DIGITS key to select the desired number of digits 32 to 614 FILTER Filter state on off and configuration can be changed for any measurement function except fre quency period continuity and diode test The FILTER key toggles between filter on FILT annunciator on and filter off After pressing FILTER to enable the filter you can then enter the filter count 1 to 100 and select the filter type moving or repeating If the FILT annunciator is already on press FILTER twice before entering the fil ter count Changing temperature measurement configuration Press SHIFT and then TCOUPL Three choices are avail able using the A and keys UNITS C K or F Specify units TYPE J or T Specify thermocouple type JUNC SIM or CH1 Simulate a reference junction temperature for direct thermocouple connection to the INPUT or use the reference junction channel 1 provided on a switching card In order to keep the reference calculations updated and accurate Chan nel 1 needs to be read periodically To assign a value to a parameter use the and W keys to scroll to the desired parameter Select the gt key and use the A and V keys to scroll through and choose the pre ferred value Select the ENT
28. mAAC Freq RO PR R1 1V IN 10mA 3A 1V R2 10V 10V 10mA 3A 10V R3 100V 100kQ 100mA 3A 100V R4 1000V 750V 1MQ 1A 1A 750V R5 1000V 750V 10MQ 3A 3A 750V R6 1000V 750V 100MQ 3A 3A 750V R7 EX R8 100mV 750V 1000 3A 3A 750V 2 wire and 4 wire ohms Auto on Auto off Reading rate SO Slow 10 PLC S1 Medium 1 PLC 6 digit resolution default S2 Fast 0 1 PLC 5Y2 digit resolution Trigger mode Trigger Rear panel Auto mode trigger delay TO default Internal Disabled TI External Enabled On 12 External Disabled On T3 External Enabled Off T4 External Disabled Off Note Delay is enabled by entering EXT TRIG mode while in local Offet Rel BO Offset off default BI Offset on Display DO Normal display default DI Blank display 50 Table 17 Models 8840A 8842A device dependent command summary cont Mode Command Description Suffix YO Disable output suffix default YI Enable output suffix Terminator WO Enable CR LF EOI default WI Enable CR LF only W2 Enable CR EOI only W3 Enable CR only W4 Enable LF EOI only W5 Enable LF only W6 Enable EOI only W7 Disable all output termina tors Clear Device clear resets 8842A to default conditions XO Clear error register Single trigger Trigger measurement GET GO Get instrument configura tion function range speed trigger G1 Get SRQ
29. nd status messages cont Number Description Event 467 Post filter offset error EE 468 1 aac zero error EE 469 1 aac full scale error EE 470 3 aac zero error EE 471 3 aac full scale error EE 472 Input time constant error EE 473 Frequency gain error EE 500 Calibration data invalid EE 510 Reading buffer data lost EE 511 GPIB address lost EE 512 Power on state lost EE 513 AC calibration data lost EE 514 DC calibration data lost EE 515 Calibration dates lost EE 522 GPIB communication language lost EE 610 Questionable Calibration SE 611 Questionable Temperature SE 800 RS 232 Framing Error detected EE 802 RS 232 Overrun detected EE 803 RS 232 Break detected EE 805 Invalid system communication EE 806 RS 232 Settings Lost EE 807 RS 232 OFLO Characters Lost EE 808 ASCII only with RS 232 EE 900 Internal System Error EE DDC Status Model 950 DDC Trigger Overrun Error EE 951 DDC Interval Overrun Error EE 952 DDC Big String Error EE 953 DDC Uncalibrated Error EE 954 DDC No Scanner Error EE 955 DDC Maximum Channel is 4 EE 956 DDC Maximum Channel is 8 EE 957 DDC Calibration Locked EE 958 DDC Conflict Error EE 959 DDC No Remote Error EE 960 DDC Mode IDDC Error EE 961 DDC Mode IDDCO Error EE Keithley 199 Serial Poll Byte Events 962 DDC Ready SE 963 DDC Reading Done SE 964 DDC Buffer Half Full SE 965 DDC Buffer Full SE 966 DDC Reading overflow SE 20 Table 3 Error and stat
30. nge 0 to 1e 3 UPPer Query range 40 Table 10 SENSe command summary cont Command Description CON Tinuity THReshold lt NRf gt THReshold Path to configure continuity test Set threshold resistance 1 to 1000 Query threshold resistance Table 11 STATus command summary Command Description STATUs MEASurement Path to control measurement event reg isters EVENt Read the event register ENABle lt NRf gt Program the enable register ENABle Read the enable register CONDition Read the condition register OPERation Path to control operation status regis ters EVENt Read the event register ENABle lt NRf gt Program the enable register ENABle Read the enable register CONDition Read the condition register QUEStionable Path to control questionable status reg isters EVENt Read the event register ENABle lt NRf gt Program the enable register ENABle Read the enable register CONDition Read the condition register PRESet Return status registers to default states QUEue Path to access error queue NEXT Read the most recent error message ENABle lt list gt Specify error and status messages for queue ENABle Read the enabled messages DISable list Specify messages not to be placed in queue DISable Read the disabled messages CLEar Clears all messages from Error Queue 41 Table 12 SYSTem command summary
31. of withstanding the voltage being measured The instrument and accessories must be used in accor dance with its specifications and operating instructions or the safety of the equipment may be impaired Do not exceed the maximum signal levels of the instru ments and accessories as defined in the specifications and operating information and as shown on the instru ment or test fixture panels or switching card When fuses are used in a product replace with same type and rating for continued protection against fire hazard Chassis connections must only be used as shield connec tions for measuring circuits NOT as safety earth ground connections If you are using a test fixture keep the lid closed while power is applied to the device under test Safe operation requires the use of a lid interlock If a E screw is present connect it to safety earth ground using the wire recommended in the user documentation The A symbol on an instrument indicates that the user should refer to the operating instructions located in the manual The symbol on instrument shows that it can source or measure 1000 volts or more including the combined effect of normal and common mode voltages Use standard safety precautions to avoid personal con tact with these voltages The WARNING heading in a manual explains dangers that might result in personal injury or death Always read the associated information very carefully before perform in
32. ol mode NEVer or NEXT Query buffer control mode Query source of readings for buffer Read all readings in the buffer Table 14 Trigger command summary Command INITiate Description Subsystem command path IMMediate CONTinuous lt b gt CONTinuous ABORt TRIGger SEQuencel1 COUNt lt n gt COUNt DELay lt n gt AUTO lt b gt AUTO DELay SOURce lt name gt SOURce n TIMer SIGNal SAMPle COUNt lt NRf gt COUNt Initiate one trigger cycle Enable or disable continuous initia tion Query continuous initiation Reset trigger system Path to program Trigger Layer Set measure count 1 to 9999 or INF Query measure count Set delay 0 to 999999 999 sec Enable or disable auto delay Query state of delay Query delay Select control source IMMediate TIMer MANual BUS or EXTernal Query control source Set timer interval 0 to 999999 999 sec Request the programmed timer interval Loop around control source Specify sample count 1 to 1024 Query sample count 43 Table 15 TEMPerature command summary Command Description UNIT TEMPerature name Select temperature measurement units C F or K TEMPerature Query temperature units VOLTage Path to configure voltage units name DB REFerence n REFerence DBM IMPedance n IMPedance AC DC lt name gt
33. pe MOVing or REPeat TCONtrol Query filter type COUNt lt gt Specify filter count 1 to 100 COUNt Query filter count STATe lt b gt Enable or disable filter STATe Query state of digital filter VOLTage AC Path to configure AC voltage NPLCycles n Set integration rate line cycles 0 01 to 10 NPLCycles Query line cycle integration rate RANGe Path to configure measurement range UPPer n Select range 0 to 757 5 UPPer Query range AUTO b Enable or disable auto range AUTO Query auto range REFerence n Specify reference 757 5 to 757 5 35 Table 10 SENSe command summary cont Command Description VOLTage AC REFerence n STATe lt b gt Enable or disable reference STATe Query state of reference ACQuire Use input signal as reference REFerence Query reference value DIGits n Specify measurement resolution 4 to 7 DIGits Query resolution AVERage Path to configure and control the filter TCONtrol lt name gt Select filter type MOVing or REPeat TCONtrol Query filter type COUNt lt gt Specify filter count 1 to 100 COUNt Query filter count STATe lt b gt Enable or disable filter STATe Query state of digital filter DETector Path to configure bandwidth BANDwidth lt NRf gt Specify bandwidth 3 to 30063 BANDwidth Query bandwidth VOLTage DC Path to configure DC voltage NPLCycles n Set integra
34. r STATe Query state of digital filter TEMPerature Path to configure temperature NPLCycles n Set integration rate line cycles 0 01 to 10 NPLCycles Query line cycle integration rate REFerence n Specify reference 200 to 1372 STATe lt b gt Enable or disable reference STATe Query state of reference ACQuire Use input signal as reference REFerence Query reference value DIGits n Specify measurement resolution 4 to 7 DIGits Query resolution AVERage Path to configure and control the filter 38 Table 10 SENSe command summary cont Command Description TEMPerature AVERage TCONtrol lt name gt Select filter type MOVing or REPeat TCONtrol Query filter type COUNt lt gt Specify filter count 1 to 100 COUNt Query filter count STATe lt b gt Enable or disable filter STATe Query state of digital filter TCouple Path to configure thermocouple TYPE lt name gt Select thermocouple type or T TYPE Query thermocouple type RJUNction Path to configure reference RSELect lt name gt RSELect SIMulated lt n gt SIMulated REAL TCOefficient n TCOefficient OFFSET n OFFSet junction Select reference type SIMu lated or REAL Query reference type Specify simulated tempera ture in C 0 to 50 Query simulated tempera ture Path to configure real refer ence junction Specify temp coefficient 0
35. reference STATe Query state of reference ACQuire Use input signal as reference REFerence Query reference value DIGits n Specify measurement resolution 4 to 7 DIGits Query resolution AVERage Path to configure and control the TCONtrol lt name gt TCONtrol COUNt lt n gt COUNt STATe lt b gt STATe filter Select filter type MOVing or REPeat Query filter type Specify filter count 1 to 100 Query filter count Enable or disable filter Query state of digital filter 34 Table 10 SENSe command summary cont Command Description CURRent AC DETector Path to configure bandwidth BANDwidth lt NRf gt Specify bandwidth 3 to 30063 BANDwidth Query bandwidth CURRent DC Path to configure DC current NPLCycles n Set integration rate line cycles 0 01 to 10 NPLCycles Query line cycle integration rate RANGe Path to configure measurement range UPPer n Select range 0 to 3 1 UPPer Query range AUTO lt b gt Enable or disable auto range AUTO Query auto range REFerence n Specify reference 3 1 to 3 1 STATe lt b gt Enable or disable reference STATe Query state of reference ACQuire Use input signal as reference REFerence Query reference value DIGits n Specify measurement resolution 4 to 7 DIGits Query resolution AVERage Path to configure and control the filter TCONtrol lt name gt Select filter ty
36. sages cont Number Description Event Calibration messages 400 10 vdc zero error EE 401 100 vdc zero error EE 402 10 vdc full scale error EE 403 10 vdc full scale error EE 404 100 vdc full scale error EE 405 100 vdc full scale error EE 406 1k 2 w zero error EE 407 10k 2 w zero error EE 408 100k 2 w zero error EE 409 10M 2 w zero error EE 410 10M 2 w full scale error EE 411 10M 2 w open error EE 412 1k 4 w zero error EE 413 10k 4 w zero error EE 414 100k 4 w zero error EE 415 10M 4 w sense lo zero error EE 416 1k 4 w full scale error EE 417 10k 4 w full scale error EE 418 100k 4 w full scale error EE 419 1M 4 w full scale error EE 420 10M 4 w full scale error EE 421 10m adc zero error EE 422 100m adc zero error EE 423 10m adc full scale error EE 424 100m adc full scale error EE 425 1 adc full scale error EE 438 Date of calibration not set EE 439 Next date of calibration not set EE 450 100m vac dac error EE 451 1 vac dac error EE 452 10 vac dac error EE 453 100 vac dac error EE 454 100m vac zero error EE 455 100m vac full scale error EE 456 1 vac zero error EE 457 1 vac full scale error EE 458 1 vac noise error EE 459 10 vac zero error EE 460 10 vac full scale error EE 461 10 vac noise error EE 462 100 vac zero error EE 463 100 vac full scale error EE 464 750 vac zero error EE 465 750 vac full scale error EE 466 750 vac noise error EE 19 Table 3 Error a
37. starts a scanning opera tion of consecutive channels where an output trigger is sent at the end of the scan list HALT Pressing SHIFT and then HALT stops stepping or scanning 14 Factory default conditions Table 2 Factory defaults Setting Factory default Autozero On Buffer No effect Continuity Beeper On Digits 4 Rate Fast 0 1 PLC Threshold 100 Current AC and DC Digits AC 5 Digits DC 6 Filter On Count 10 Mode Moving average Range Auto Relative Off Value 0 0 Rate AC Medium Rate DC Medium 1 PLC Diode test Digits 6 Range IMA Rate Medium 1 PLC Frequency and Period Digits 6 Range 10V Relative Off Value 0 0 Rate Slow 1 sec Function DCV GPIB No effect Address 16 at factory Language SCPI at factory Limits Off Beeper Never High limit 1 Low limit 1 mX b Off Scale factor 1 0 Offset 0 0 Percent Off References 1 0 15 Table 2 Factory defaults cont Setting Factory default Resistance 2 wire and 4 wire Digits Filter Count Mode Range Relative Value Rate RS 232 Baud Flow Tx term Scanning Channels Mode Temperature Digits Filter Count Mode Junction Temperature Relative Value Rate Thermocouple Units Triggers Continuous Delay Source Voltage AC and DC dB reference dBm reference Digits AC Digits DC Filter Count Mode Range Relative Value Rate AC Rate DC 6 10 Moving average Auto 0 0 M
38. ted and oper ation is affected the board should be returned to the factory for proper cleaning servicing 10 99 Introduction This quick reference guide includes summary informa tion on front panel and remote operation for the Model 2000 Multimeter For detailed operating information consult the Model 2000 User s Manual All Keithley product names are trademarks or registered trade marks of Keithley Instruments Inc Other brand and product names are trademarks or registered trademarks of their respective holders Front Panel Operation Summary Power on defaults Power on defaults are those settings the instrument assumes when it is turned on The Model 2000 offers two choices for the settings user or factory With user the instrument will power on to the last configuration that you saved With factory the instrument will power on to the factory default settings To store a user configuration in memory 1 Configure the instrument as desired for USER default 2 Press SHIFT and then SAVE 3 Use the A and keys to select YES or NO Note Select NO if you do not wish to change the last configuration that you saved 4 Press ENTER To restore factory or user settings 1 Press SHIFT and then SETUP 2 Use the and keys to select FACTory or USER 3 Press ENTER NOTE Factory default settings are listed in Table 2 Instrument connections Basic connections for Model 2000 measurements are shown in Fig
39. tion 3 Use the RANGE keys to select autoranging or a manual range Pressing the AUTO range key tog gles autoranging You can select a different range with the A and W RANGE keys 4 Take a reading from the display Storing readings 2 to 1024 1 Set up the instrument for the desired configuration 2 Press the STORE key 3 Use the 4 gt and Y keys to select the number of readings to store in the buffer 4 Press ENTER to start the storage process The aster isk annunciator turns on to indicate a data stor age operation It turns off when the storage is finished Recalling readings 1 Press the RECALL key The BUFFER annunciator indicates that stored readings are being displayed The arrow annunciator indicates that more data can be viewed with the 4 gt and Y keys 2 Use the 4 gt and Y keys to navigate through the reading numbers reading values and statistics For any of the buffer statistics maximum mini mum average standard deviation the STAT annunciator is on 3 Use the EXIT key to return to the normal display Changing speed resolution and filter RATE Measurement speed reading RATE can be changed for any measurement function except fre quency period continuity and diode test Use the RATE key to select FAST MEDium or SLOW Use FAST 0 1 PLO if speed is of primary importance at the expense of increased noise and fewer usable digits of resolution SLOW 10 PLC prov
40. tion rate line cycles 0 01 to 10 NPLCycles Query line cycle integration rate RANGe Path to configure measurement range UPPer n Select range 0 to 1010 UPPer Query range AUTO b Enable or disable auto range AUTO Query auto range REFerence n Specify reference 1010 to 1010 STATe lt b gt Enable or disable reference STATe Query state of reference 0 or 1 ACQuire Use input signal as reference REFerence Query reference value DIGits n Specify measurement resolution 4 to 7 DIGits Query resolution 36 Table 10 SENSe command summary cont Command Description VOLTage DC AVERage Path to configure and control the filter TCONtrol lt name gt Select filter type MOVing or REPeat TCONtrol Query filter type COUNt n Specify filter count 1 to 100 COUNt Query filter count STATe lt b gt Enable or disable filter STATe Query state of digital filter RESistance Path to configure resistance NPLCycles n NPLCycles RANGe UPPer n UPPer AUTO b AUTO REFerence n STATe lt b gt STATe ACQuire REFerence DIGits n DIGits AVERage TCONtrol lt name gt TCONtrol COUNt lt n gt COUNt STATe lt b gt STATe Set integration rate line cycles 0 01 to 10 Query line cycle integration rate Path to configure measurement range Select range 0 to 12066 Query range Ena
41. uo DEO ry 1 x 0 09 9 rg 58 49 88 69 L9 vig sig re 5 Questionable event status 26 251801 YO 121801 9 ug juawainsea gsw 10113 AVI Arewiuns o qeuonsant 950 adessayy AVIA 3g Juan 953 231195 10 sanbay SOY SMEIS reuiuns JOSE SSW uonesado 950 19151899 91qeu3 99IM8S sw AVI AS AVW 853 850 345 asanbay og ZA EA va sg 99 Za 2395 d ULI Y YO O 2915 Aq peas gt gt KO SSW 1915 99 09 LA 29 58 va 59 98 48 Jena smeis 8SW ava 850 AVW 853 GE 850 gis 4 Aq gt 4 Y d ysanbay GOIE sadessay snes Figure 6 Status byte and service request SRQ 27 IEEE 488 2 common commands and queries Table 4 488 2 common commands and queries Mnemonic Name Description CLS ESE lt NRf gt ESE ESR IDN OPC OPC OPT RCL lt NRf gt RST SAV lt NRf gt Clear status Event enable command Event enable query Event st
42. ure 1 These drawings show connections to the front panel terminals INPUTS switch in the FRONT position If using the rear panel terminals place the INPUTS switch in the REAR position Note that current DCI and ACI measurements cannot be made from the rear panel terminals Model 2000 SENSE Gte Sr Measure DCV ACV E Q2 FREQ PERIOD or TEMP 9 9 meus O Q ol Temperature measurements are typically performed through a thermocouple scanner card such as the Model 2001 TCSCAN See the User s Manual for details Model 2000 gt Measure DCI or ACI Model 2000 M R Measure Q4 Figure 1 Basic measurement connections For resistance measurements 02 and Q4 greater than 100kQ more stable readings can be achieved by using shielding Place the resistance in a shielded enclosure and connect the shield to INPUT LO Shielded cable should be used such that the shield INPUT LO encir cles the other cable conductor s Maximum inputs for the Model 2000 are summarized in Table 1 Table 1 Maximum inputs Function Maximum input DCV 1000V peak ACV 750V rms 1000V peak 8x1 0 VeHz DCI 3A dc 250V ACI 3A rms 250V FREQ PERIOD 1000V peak 8x107VeHz Basic measurement procedure 1 Connect the instrument as explained in Instrument connection 2 From the function keys select the desired measure ment func
43. us messages cont Number Description Event Fluke 8842 serial poll byte events 970 Fluke Error SE 971 Data Available SE 972 Overrange SE EE error event SE status event SYS system error event 21 Remote Operation Summary At the factory the instrument is set for GPIB bus opera tion at primary address 16 using the SCPI programming language GPIB bus Use the GPIB bus configuration menu to enable or disable GPIB bus operation ON or OFF and to check and or change the primary address 0 to 30 and language SCPI 199 or 8842 The configuration menu is accessed by pressing SHIFT and then GPIB Commands for the SCPI language are provided in Tables 4 through 15 The DDC commands for the 199 and 8842 languages are provided in Tables 16 and 17 RS 232 interface Use the RS 232 interface menu to enable or disable RS 232 interface operation ON or OFF and to check and or change the baud rate 300 to 19 2k flow control NONE or XonXoFF and terminator LF CR or LFCR Note that only the SCPI language com mands can be used over the RS 232 interface 22 arta o qeu3 smeis 1493 piepueis arten seis DUEREK Status structure 22180 YO 251801 1 14 uonejedo 540 10113 10113 juopuadaqr o2wed 2013 uonnaax3 3x3 40143 pueuiuio IMI 1sanbay een DIN UQ 1 NOd
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