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1. Nominal value M632 max deviation 10 2 0 MQ 20 2 0 MQ 5Q 2 1 MQ 100 2 2 mQ 160 2 2 MQ 200 2 4 MQ 50 Q 3 0 MQ 100 Q 4 0 MQ 200 Q 6 0 MQ 500 Q 15 ma 1kQ 30 ma 2kQ 60 mQ 5 kQ 150 mQ 10 kQ 300 mQ 20 kQ 600 mQ 50 KQ 1 50 100 KQ 3 00 200 KQ 6 00 400 kQ 200 500 kQ 250 1 MQ 50 Q 1 2 MQ 60 Q Table 2 Verification allowed deviations 23 Operation manual MEATEST M632 Precision Resistance Decade 6 Remote control Decade box can be controled via RS232 GPIB LAN and USB interface The decade can be only controlled by one of interfaces at a time It is therefore necessary to select ans set up one of the interfaces using the system menu All interfaces shares the same commands except following commands which are intended only for use with RS232 LAN and USB interface SYSTem LOCal This command places decade in the LOCAL mode SYSTem REMote This command places decade in the REMOTE mode SYSTem RWLock This command places the decade in the REMOTE mode and locks all keys including LOCAL key on front panel NOTE If device is not in REMOTE mode all other commands are ignored by decade for RS232 LAN and USB interface With the exception of Compatible commands which are processed each time GPIB interface places device in the REMOTE mode automatically by opening the GPIB interface and therefore these commands are not intended for
2. UFUN CURV PAPP CURVE 2 SOURce UFUNction CURVe PCOunt Syntax SOURce UFUNction CUR Ve PCOunt Description This command retreives actual number of user function presets This number represents maximum index used in preset commands Parameters lt DNPD gt Integer value representing number of preset count Remarks Overlapped command Example UFUN CURV PCO Response 1 Operation manual 46 M632 Precision Resistance Decade MEATEST SOURce UFUNction CURVe PRESet lt IND_PRESET gt NAME Syntax SOURce UFUNction CUR Ve PRESet lt IND_PRESET gt NAME lt SPD gt SOURce UFUNction CUR Ve PRESet lt IND_PRESET gt NAME Description This command allows reading and changing preset name The preset must exist before its name is changed or read Parameters lt IND_PRESET gt Range 1 Curve preset count 1 if omitted lt SPD gt Quoted preset name Upper alpha lower alpha digits and spaces are allowable Maximum string size is 10 characters Remarks Overlapped command Example UFUN CURV PRES2 NAME CURVE 2 UFUN CURV PRES2 NAME Response CURVE 2 SOURce UFUNction CURVe PRESet lt IND_PRESET gt PDELete Syntax SOURce UFUNction CUR Ve PRESet lt IND_PRESET gt PDELete Description This command allows deleting existing preset The preset will be deleted including particular curve table Parameters lt IND_PRESET gt Range 1 Curve preset count 1 if omitted Remarks Overlapped
3. BN OPTION oi doi 27 03 Ae E EEN 28 6 6 SCPICOMMAND LPEE geseet rr E ESEE EEE TE EE EEEE EE TE EE 29 DT STANDARD STATUS DATA STRUCTURES E 31 6 8 O iaa 33 6 9 SCPI COMMAND ida 37 6 10 SEPTERROR CODES aiii 59 6 11 CONPATIBIE COMMANDS occ cscs ds Sacnded vad a ee 60 6 12 DEMO PROGRAM WEE 62 7 MAINTENANCE E RE N E E E E E E N A 63 FAR FUSE REPLACING ais 63 ES EXTER E ET E e E E 63 8 MODULE 19 VERSION M632 VXX1X ccsssssccscssssecssssscccsssscccssssecsesssccscesseccscsssecsscnssesssssacccesenees 63 9 TECHNICAL DATA BN 64 ORDERING INFORMATION OPTIONG cssssscssssscsesssssscsccecsessssceccccscessssssececccccescsscecccescessssssececcecsesces 66 3 Version 18 Operation manual MEATEST M632 Precision Resistance Decade Figures Fig re Ee EEN 6 a 2 Front AA PP tanec renee 7 Fig re 3 Display E 7 Figure 4 Reat parla 9 Fig r 5 Resistani s SOTO inurriei eena tee Aaa setae ie e ai aaaea 10 Figute E E 11 Fig re 7 Nickel screen ii A a tanasi 11 Figure 8 User function EE 12 Fig r 9 Us r f nction USt ni 12 Figure LO N w user function ici 13 Figure 11 User function point editing cp la 13 Figure 12 User function edit at AEEA 14 Fig re e 14 Figure 14 Time sequence lisina 15 Fig re 15 NeW SEQUEDOS A 15 Figure 16 Timing sequence point OA ii ti 16 Fig re 17 Timing Sequence losas rd seii s codes 16 Figure 18 Numeric value Sousa tio SE 17 ar RTE 18 Figure 20 Pass word EE 20 Figure 21 Calibration poin
4. ON DHCP is On OFF DHCP is Off 1 same as ON same as OFF Remarks Overlapped command Value is not affected by reset Example SYST COMM LAN DHCP ON SYST COMM LAN DHCP Response 1 Operation manual 54 M632 Precision Resistance Decade MEATEST SYSTem COMMunicate RESTart Syntax SYSTem COMMunicate RESTart Description This command will restart communication interface It will take several seconds During this period device will not respond to any commands Restart is needed for all LAN setting changes Parameters None Remarks Overlapped command Example SYST COMM REST SYSTem COMMunicate SERial BAUD Syntax SYSTem COMMunicate SERial BAUD lt CPD gt SYSTem COMMunicate SERial BAUD Description This command allows changing RS232 transfer rate Parameters lt CPD gt 1200 240014800196001192001384001576001115200 default 9600 1200 1200 Bd 2400 2400 Bd 4800 4800 Bd 9600 9600 Bd 19200 19200 Bd 38400 38400 Bd 57600 57600 Bd 115200 115200 Bd Remarks Overlapped command Value is not affected by reset Example SYST COMM SER BAUD 9600 SYST COMM SER BAUD Response 9600 SYSTem DATE Syntax SYSTem DATE lt DNPD gt lt DNPD gt lt DNPD gt SYSTem DATE Description This commands allows to change system device date Parameters lt DNPD gt Year Range 2000 2063 lt DNPD gt Month Range 1 12 lt DNPD gt Day Range 1 31 Remarks Overlapped command Example SYST DATE 201
5. PT User Switching mode FAST SMOOTH VIA OPEN VIA SHORT Nickel Offers direct setting of temperature of simulated nickel thermometer NICKEL 15 03 47 vw FAST 100 000 C Function Dutput 161 773 2 RO 100 000 Specification 0 015 C Max Voltage 6 36 U Max Current 39 3 mA Figure 7 Nickel screen Editable parameters Temperature 60 C 300 C 76 F 572 F RO value 10Q 20 KQ Switching mode FAST SMOOTH VIA OPEN VIA SHORT 11 Operation manual MEATEST M632 Precision Resistance Decade User function Offers simulation of conversion curve defined by a table User can define more conversion curves Values between defined points are linearly interpolated USER FUNCTION 15 08 38 v CURVE e FAST 1 00000 A Function Output 1 00000 2 Specification 2 02 m Max Voltage 500 mU Max Current 500 mA Figure 8 User function screen Editable parameters Main value according to the function User function curves defined by the user Switching mode FAST SMOOTH VIA OPEN VIA SHORT Function is defined by table of user values and corresponding resistance values This table is called Curve and is editable Maximum number of tables is 10 with each table having up to 8 values but the fewer tables are defined the more values within can be set For instance one table can have up to 120 values 3 tables can have up to 36 values and so on Tables can be defined via remote control as wel
6. bit 3 This event bit indicates that an error has occurred which is neither a Command Error a Query Error nor an Execution Error A Device specific Error is any executed device operation that did not properly complete due to some condition such as overload QYE Query Error bit 2 The bit is set if the decade box is addressed as talker and output queue is empty or if control unit did not pick up response before sending next query OPC Operation Complete bit 0 This event bit is generated in response to the ODC command It indicates that the device has completed all selected pending operations ESE Event Status Enable Register The Event Status Enable Register allows one or more events in the Event Status Register to be reflected in the ESB summary message bit This register is defined for 8 bits each corresponding to Operation manual 32 M632 Precision Resistance Decade MEATEST the bits in the Event Status Register The Event Status Enable Register is read with the common query ESE Data is returned as a binary weighted value The Event Status Enable Register is written to by the common command ESE Sending the ESE common command followed by a zero clears the ESE The Event Status Enable Register is cleared upon power on It suppresses or allows bits in ESR register Value 0 of a bit of ESE register suppresses influence of appropriate bit of ESR register on value of sum bit of ESB status register Setting of any unmask bit
7. e LAN cable The LAN interface must be selected from decade system menu to be in operation SETUP gt Interface gt Active bus There are folowing LAN settings accesible from decade system menu under SETUP gt Interface gt LAN Settings path values are default ones DHCP ON IP Address 192 168 001 100 only valid if DHCP is OFF Subnet mask 255 255 255 000 only valid if DHCP is OFF Default gateway 255 255 255 255 only valid if DHCP is OFF Port number 23 Host name M632_SN620031 only valid if DHCP is ON If DHCP Dynamic Host Configuration Protocol is enabled the IP Address and all necessary settings are done automatically and connection in Telnet protocol is done via Host name and Port number Otherwise the IP address Subnest mask and Default gateway should be properly set In this case connection is done via IP Address and Port number Connection to decade box using Microsoft Telnet terminal with DHCP option enabled A Microsoft Telnet gt o M630_SN620031 23_ Figure 24 LAN connection 1 If connection is succesful following screen will appear Figure 25 LAN connection 2 Operation manual 26 M632 Precision Resistance Decade MEATEST 6 4 USB Interface option The decade box can be controled via USB Universal Serial Bus interface Following equipment is required e M632 decade box with LAN USB IEEE488 bus option e Personal Computer or other controling device with USB interface US
8. lt DNPD gt SOURce UFUNction AMPLitude Description This command sets amplitude in USER FUNCTION mode Node SOUR UFUN also selects USER FUNCTION function if not already selected Parameters 45 Operation manual MEATEST M632 Precision Resistance Decade lt DNPD gt Range depends on translation curve default value is 1 0 or minimal value that can be set Remarks Overlapped command Value is set to default after reset Example UFUN 1 0 UFUN Response 1 000000E 00 SOURce UFUNction CURVe SELect Syntax SOURce UFUNction CURVe SELect lt DNPD gt SOURce UFUNction CURVe SELect Description This command selects curve preset in User function mode Parameters lt DNPD gt Range 1 Curve preset count default 1 one based index of preset Remarks Overlapped command Value is not affected by reset Example UFUN CURV SEL 1 UFUN CURV SEL Response 1 SOURce UFUNction CURVe PAPPend Syntax SOURce UFUNction CURVe PAPPend lt SPD gt Description This command appends new curve preset into User function The new appended preset has empty curve table and new records should be also appended see UFUN CURV PRES lt index gt RAPP The new preset has its own index and can be obtained by UFUN CURV PCO command Parameters lt SPD gt Quoted curve preset name Upper alpha lower alpha digits and spaces are allowable Maximum string size is 10 characters Remarks Overlapped command Example
9. 2 Remarks Overlapped command Value is not affected by reset Example SYST COMM GPIB ADDR 2 SYST COMM GPIB ADDR Response 2 SYSTem COMMunicate LAN ADDRess Syntax SYSTem COMMunicate LAN ADDRess lt CPD gt SYSTem COMMunicate LAN ADDRess Description This command allows to change IP address 1f DHCP is switched off Interface must be restarted to take effect see SYST COMM REST command Parameters lt CPD gt Range 000 000 000 000 L 255 255 255 255 default 192 168 001 100 Remarks Overlapped command Value is not affected by reset Example SYST COMM LAN ADDR 192 168 001 100 SYST COMM LAN ADDR Response 192 168 001 100 SYSTem COMMunicate LAN MASK Syntax SYSTem COMMunicate LAN MASK lt CPD gt SYSTem COMMunicate LAN MASK Description This command allows to change subnet mask if DHCP is switched off Interface must be restarted to take effect see SYST COMM REST command Parameters lt CPD gt Range 000 000 000 000 v i 255 255 255 255 default 255 255 255 000 Remarks Overlapped command Value is not affected by reset Example SYST COMM LAN MASK 255 255 255 000 SYST COMM LAN MASK Response 255 255 255 000 SYSTem COMMunicate LAN GATE Syntax SYSTem COMMunicate LAN GATE lt CPD gt SYSTem COMMunicate LAN GATE Description This command allows to change default gateway if DHCP is switched off Interface must be restarted to take effect see SYST COMM REST command Parameters lt CPD gt Range 000
10. Example IDN Response MEATEST M632 620151 1 00 33 Operation manual MEATEST M632 Precision Resistance Decade OPC Syntax OPC Description This command sets the OPC bit in the ESR Event Status Register when all pending operations are complete Parameters None Remarks Overlapped command Example OPC OPC Syntax OPC Description This command returns 1 to the output queue after all pending operations inside decade box are complete Parameters lt DNPD gt always returns 1 Remarks Sequential command Example OPC Response 1 OPT Syntax OPT Description This command return the instruments hardware fitment The only parameter returns presence of GPIB LAN USB interface Parameters lt DNPD gt 0 extended interface not present 1 extended interface present Remarks Overlapped command Example OPT Response 1 WAI Syntax WAI Description Prevents the instrument from executing any further commands or queries until all previous remote commands have been executed Parameters None Remarks Sequential command Example WAI Operation manual 34 M632 Precision Resistance Decade MEATEST RST Syntax RST Description This command resets the device to its initial status Parameters None Remarks Sequential command Example RST TST Syntax TST Description This command launches internal self test and returns result Parameters lt DNPD gt 0 te
11. Function lt 4 D1 BI gt vw PT385 90 vw FAST B2 gt o zg D2 Bz 100 000 C B3 gt Dutput 138 505 2 RO 100 000 2 D3 cad ec Specification 0 015 C 2 _ gt Max Voltage 5 88 U Gs _ _ Max Current 42 5 mA D4 Figure 3 Display The display is divided into four sections A Information line e Selected function RESISTANCE PLATINUM e Time 7 Operation manual MEATEST M632 Precision Resistance Decade B Main area This section displays the set up values of generated signals and the data related to the decade box status The section includes the following types of data 1 Auxiliary parameters This section displays auxiliary parameters of actually selected function e Temperature standard PT385 PT3916 e Switching mode FAST VIA OPEN e RO resistance Main value There is displayed main value of selected function with the unit There is displayed also actual position of cursor V A if the parameter is in edit mode Position of cursor can be changed using keys and parameter can be changed using keys A Y Output state There is displayed resistance value connected to the output terminals C Specification This section displays specification and limits relating to the main value 1 Specification This section displays specification of the main value Maximum voltage This section displays maximum allowed voltage for the main value Ma
12. Range 1 255 1 if omitted lt IND_ROW gt Range 1 255 1 if omitted lt SPD gt Quoted string representing amplitude The amplitude consists of two float numeric fields separated by comma The first one represents amplitude in User Function units and the second one amplitude in Ohms Remarks Overlapped command Example UFUN CURV PRES1 ROW1 AMPL 10 6 220 0 UFUN CURV PRES 1 ROW 1 AMPL Response 1 060000E 01 2 200000E 2 SOURce UFUNction CURVe PRESet lt IND_PRESET gt ROW lt IND_ROW gt RDELete Syntax SOURce UFUNction CURVe PRESet lt IND_PRESET gt ROW lt IND_ROW gt RDELete Description This command deletes row from curve table Parameters lt IND_PRESET gt Range 1 Curve preset count 1 if omitted lt IND_ROW gt Range 1 Row count 1 if omitted Remarks Overlapped command Example UFUN CURV PRES1 ROW1 RDEL SOURce UFUNction CURVe PRESet lt IND_PRESET gt UNIT Syntax SOURce UFUNction CURVe PRESet lt IND_PRESET gt UNIT lt SPD gt SOURce UFUNction CURVe PRESet lt IND_PRESET gt UNIT Description Parameters lt IND_PRESET gt Range 1 Curve presetcount 1 if omitted lt SPD gt Quoted user function unit Upper alpha lower alpha digits and spaces are allowable Maximum string size is 4 characters Remarks Overlapped command Example UFUN CURV PRES1 UNIT N UFUN CURV PRES1 UNIT Response N Operation manual 48 M632 Precision Resistance Decade MEATE
13. accuracy a Re Table 8 M632 Pt simulation accuracy M632 Ni simulation accuracy T SE Accuracy Accuracy A Nil0 Ni99 Nil00 Ni20000 60 000 300 000 C 0 05 C 0 01 C Table 9 M632 Ni simulation accuracy M632 Frequency response Ka AC DC difference orol oson soe wol sm IL Table 10 M632 Frequency response 65 Operation manual MEATEST M632 Precision Resistance Decade Temperature coefficient Temperature coefficient outside of the reference temperature range is 10 of the stated specification per C for eample 2x specification for 36 C Short and Open simulation When function Short is selected output resistance is lower than 60 mQ Maximal allowed current is 500 mA When function Open is selected output resistance is higher than 1 GQ Maximal allowed voltage is 200 Vpk Note Resistance values in range 1 Q 1 2 MQ are calibrated absolutely Resistance value is not defined against SHORT position Short and Open positions are intended for functional checking of tested instrument only Ordering information options Bus M632 V1xxx RS232 M632 V2xxx RS232 LAN USB IEEE488 Housing M632 Vxx0x table version M632 Vxx1x module 19 3HE Example of order M632 V2010 Precision Resistance Decade 1Q 1 2MQ RS232 LAN USB IEEE488 19 rack Manufacturer MEATEST s r o tel 420 543 250 886 Zelezn 509 3 619 00 Brno fax 420 543 250 890 Czech Republic mea
14. command Example UFUN CURV PRES1 PDEL SOURce UFUNction CURVe PRESet lt IND_PRESET gt RAPPend Syntax SOURce UFUNction CUR Ve PRESet lt IND_PRESET gt RAPPend lt SPD gt Description Parameters lt IND_PRESET gt Range 1 Curve preset count 1 if omitted lt SPD gt Quoted string representing amplitude The amplitude consists of two float numeric fields separated by comma The first one represents amplitude in User Function units and the second one amplitude in Ohms Remarks Overlapped command Example UFUN CURV PRES1 RAPP 10 6 220 0 SOURce UFUNction CURVe PRESet lt IND_PRESET gt RCOunt Syntax SOURce UFUNction CUR Ve PRESet lt IND_PRESET gt RCOunt Description This commands returns actual number of records in curve table Parameters lt IND_PRESET gt Range 1 Curve preset count 1 if omitted lt DNPD gt Integer value representing number of records for particular curve table Remarks Overlapped command 47 Operation manual MEATEST M632 Precision Resistance Decade Example UFUN CURV PRES1 RCO Response 2 SOURce UFUNction CURVe PRESet lt IND_PRESET gt ROW lt IND_ROW gt AMPLitude Syntax SOURce UFUNction CUR Ve PRESet lt IND_PRESET gt ROW lt IND_ROW gt AMPLitu de lt SPD gt SOURce UFUNction CURVe PRESet lt IND_PRESET gt ROW lt IND_ROW gt AMPLitu de Description This command sets retreives selected row in curve table Parameters lt IND_PRESET gt
15. default 0 ON short is set if output is on OFF resistance is set if output is on l same as ON same as OFF Remarks Overlapped command Value is set to default after reset Example OUTP SHOR ON 39 Operation manual MEATEST M632 Precision Resistance Decade OUTP ON OUTP SHOR Response 1 gt OUTPut STATe Syntax OUTPut STATe lt BOOL gt OUTPut STATe Description This command switches ON OFF output terminals This command operates in conjunction with OUTP SHOR command OUTP STAT OUTP SHOR Output terminals OFF OFF Open OFF ON Open ON OFF Resistance ON ON Short Table 4 OUTPut command structure Parameters lt BOOL gt ONIOFFI110 default 0 ON output terminals are switched on OFF output terminals are switched off l same as ON same as OFF Remarks Overlapped command Value is set to default after reset Example OUTP ON OUTP Response 1 OUTPut SWITching Syntax OUTPut SWITching lt CPD gt OUTPut SWITching Description If output amplitude is changed and output terminals are already switched on some glitches appear at output terminals This setting allows selecting a method how new resistance at output terminals is achieved Parameters lt CPD gt FASTISMOothlOPENISHORt default FAST FAST new resistance is set as fast as possible SMOoth new resistance is set with minimal ouput changes OPEN open function is activated before new resistan
16. gt STATus OPERation NTRansition Description This comman allows set Operation Negative Transition Register It is a decimal value which corresponds to the binary weighted sum of all bits set in the register Setting a bit in the negative transition filter shall cause a 1 to O transition in the corresponding bit of the associated condition register to cause a 1 to be written in the associated bit of the corresponding event register Parameters 49 Operation manual MEATEST M632 Precision Resistance Decade lt DNPD gt Operation Negative Transition Register Range 0 32767 Remarks Overlapped command Example STAT OPER NTR 2 STAT OPER NTR Response 2 STATus OPERation PTRansition Syntax STATus OPERation PTRansition lt DNPD gt STATus OPERation PTRansition Description This comman allows set Operation Positive Transition Register It is a decimal value which corresponds to the binary weighted sum of all bits set in the register Setting a bit in the positive transition filter shall cause a O to 1 transition in the corresponding bit of the associated condition register to cause a 1 to be written in the associated bit of the corresponding event register Parameters lt DNPD gt Operation Positive Transition Register Range 0 32767 Remarks Overlapped command Example STAT OPER PTR 1 0 STAT OPER PTR Response 1 000000E 00 STATus QUEStionable CONDition Syntax STATus QUEStionable CONDition Descript
17. of ESR register results in setting of ESB status register ESE register value can be modified by command ESE followed by value of mask register integer in range 0 255 Reading of the register can be performed with command ESE The register is automatically reset after switching on The register is not reset with CLS command Operation Status Register Not used in the decade box Questionable Status Register Not used in the decade box Output Queue The Output Queue stores response messages until they are read from control unit If there is at minimum one sign in the output queue MAV register message available is set The Output Queue is cleared upon power on and after reading all signs from output queue Error Queue The Error Queue stores error messages They are placed in a first in first out queue The queue is read destructively using the query command SYSTem ERRor to obtain a code number and errro message The query SYSTem ERRor can be used to read errors in the queue until it is empty when the message 0 No Error will be returned 6 8 SCPI Standard Commands This chapter describes standard SCPI commands IDN Syntax IDN Description This command returns the identification of the manufacturer model serial number and firmware revision Parameters lt CPD gt manufacturer lt CPD gt model lt DNPD gt serial number lt DNPD gt frimware version Remarks Overlapped command
18. of rows is limited to 50 User function curve This menu permits definition of different conversion curves Each curve is defined by the Lookup table Each row in the table contains information about value of simulated function and appropriate resistance value User can define more lookup tables with different names Typical application is definition table for simulation of non standard resistance thermometers Number of rows is limited to 100 System This menu permits setting system parameters of device Language Language setting Backlight Display backlight level setting Beeper volume Beeper volume level setting Keyboard beep Enables Disables keyboard beep Time Internal time setting Date Internal date setting 19 Operation manual MEATEST M632 Precision Resistance Decade Interface This menu permits setting parameters of remote control interfaces Active bus Active bus setting Only active bus can be used for remote control RS232 Baudrate RS232 communication baudrate setting The same baudrate must be used in the controller GPIB Address GPIB address setting Each instrument connected to the GPIB bus must have a unique address LAN Settings Ethernet parameters setting Device use Telnet protocol Default setting is DHCP ON IP Address 192 168 001 100 only valid if DHCP is OFF Subnet mask 255 255 255 000 only valid if DHCP is OFF Default gateway 255 255 255 255 only valid if DHCP is OFF Port number
19. sets temperature in Platinum mode Node SOUR PLAT also selects PLATINUM function if not already selected If unit parameter is part of temperature new unit is set Parameters lt DNPD gt temperature at Platinum function Default value is 100 0 C lt UNIT gt CELIFARIK CEL degrees of Celsius FAR degrees of Fahrenheit K Kelvin Remarks Overlapped command Value is set to default after reset Example PLAT 100 0 PLAT Response 1 000000E 02 CEL 41 Operation manual MEATEST M632 Precision Resistance Decade SOURce PLATinum COEFficient Syntax SOURce PLATinum COFFficient lt DNPD gt lt DNPD gt lt DNPD gt SOURce PLATinum COEFficient Description This command allows to define Coefficients A B C used for User Platinum standard scale Parameters lt DNPD gt Range 3 0e 3 5 0e 3 default 3 9083e 3 Coefficient A lt DNPD gt Range 7 0e 7 5 0e 7 default 5 775e 7 Coefficient B lt DNPD gt Range 5 0e 12 3 0e 12 default 4 18301e 12 Coefficient C Remarks Overlapped command Value is not affected by reset Example PLAT COEF 3 9083e 3 5 775e 7 4 18301e 12 PLAT COEF Response 3 908300E 03 5 775000E 07 4 183010E 12 SOURce PLATinum STANdard Syntax SOURce PLATinum STANdard lt CPD gt SOURce PLATinum STANdard Description This command selects Platinum temperature standard Parameters lt CPD gt PT385AIPT385BIPT3916IPT3926IUSER default PT385A PT3
20. this interface 6 1 RS232 Interface The decade box can be controled via standard RS232 interface Following equipment is required e M632 decade box e Personal Computer or other controling device with RS232 port USB to RS232 converter is also possible e 9 pin D SUB 3 wire direct 1 1 male female RS232 cable The RS232 interface must be selected from decade system menu to be in operation SETUP gt Interface gt Active bus There is only one RS232 setting accesible from the decade system menu under SETUP gt Interface path RS232 Baudrate 1200 2400 4800 9600 19200 38400 57600 or 115200 Other RS232 parameters are fixed to the following settings Number of data bits 8 Number of stop bits 1 Parity None Handshake XON XOFF Off RS232 connection 4 5 Pin Label VO Description 2 TXD output Transmitter OO E 3 3 RXD input Receiver 5 GND Ground Figure 22 RS232 9 pin D SUB MALE connector Operation manual 24 M632 Precision Resistance Decade MEATEST Cable between decade and computer description configuration 1 1 Computer D Sub 1 D Sub 2 M632 Receiver 2 2 Transmitter Transmitter 3 3 Receiver Ground 5 5 Ground Table 3 RS232 cable connection 6 2 GPIB Interface option The decade box can be controled via GPIB General Purpose Interface Bus interface Following equipment is required e M632 decade box with LAN USB IEEE488 bus opt
21. 000 000 000 255 255 255 255 default 255 255 255 255 Remarks Overlapped command Value is not affected by reset Example 53 Operation manual MEATEST M632 Precision Resistance Decade SYST COMM LAN GATE 255 255 255 255 SYST COMM LAN GATE Response 255 255 255 255 SYSTem COMMunicate LAN PORT Syntax SYSTem COMMunicate LAN PORT lt DNPD gt SYSTem COMMunicate LAN PORT Description This command allows to change port number Interface must be restarted to take effect see SYST COMM REST command Parameters lt DNPD gt Range 0 9999 default 23 Remarks Overlapped command Value is not affected by reset Example SYST COMM LAN PORT 23 SYST COMM LAN PORT Response 23 SYSTem COMMunicate LAN HOST Syntax SYSTem COMMunicate LAN HOST lt CPD gt SYSTem COMMunicate LAN HOST Description This command allows to change host name if DHCP is switched on Interface must be restarted to take effect see SYST COMM REST command Parameters lt CPD gt Upper alpha lower alpha digits underscores and spaces are allowable Maximum string size is 14 characters Remarks Overlapped command Value is not affected by reset Example SYST COMM LAN HOST M632_SNXXXXXX SYST COMM LAN HOST Response M632_SNXXXXXX SYSTem COMMunicate LAN DHCP Syntax SYSTem COMMunicate LAN DHCP lt BOOL gt SYSTem COMMunicate LAN DHCP Description This command allows switch On Off DHCP Parameters lt BOOL gt ONIOFFI10 default 1
22. 12 1 3926 A 3 9848e 3 B 5 870e 7 C 4 0e 12 DIN 43760 6180 A 5 485e 3 B 6 65e 6 C 2 805e 11 D 2e 17 0 25 W 0 5 A 200 Vpk 6 ms instrument terminals diameter 4mm gold plated RS232 optionally IEEE488 USB Ethernet 115 230 Vac 45 65 Hz 15 VA 20 C 26 C 5 C 40 C 10 C 50 C metal sheet W 390 mm H 128 mm D 310 mm 5 2 kg gt 2 GQ at 500V DC Reaction time means time interval between setting up value from front panel or receiving command from remote control bus and settling set up value on output terminals Value is valid for FAST switching mode Notes Only data shown with tolerance or with band of limits are tested All other values have informative character Operation manual 64 M632 Precision Resistance Decade MEATEST Accuracy Specified accuracy is valid after 10 minutes warm up in temperature range 23 3 C Uncertainties include long term stability temperature coefficient linearity load and line regulation and traceability of factory to National calibration standards Accuracies assigned in are related to the set value Specified accuracy is one year accuracy M632 Resistance accuracy Range Resolution aa 00 Q 2 000 00 Q rn o omo 20 0000 Q 0 002 2 mQ 20 20 001 Q 200 000 Q 200 000 Q am 1 20860040 20 000 0 KQ 0 003 20 001 KQ 200 000 kQ 001 KQ 200 000 kQ Table 7 M632 Resistance accuracy M632 Pt simulation
23. 2 12 31 SYST DATE Response 2012 12 31 55 Operation manual MEATEST M632 Precision Resistance Decade SYSTem ERRor NEXT Syntax SYSTem ERRor NEXT Description This command reads SCPI error maximum 32 that occurred at first If number of SCPI errors exceed 32 error 350 Queue overflow is returned For all available error codes and messages see SCPI Error codes table Error queue is cleared by reading all errors or by issuing CLS command Parameters lt DNPD gt lt SPD gt Remarks Error code Quoted error message Overlapped command Example SYST ERR Response 300 Device error SYSTem KEY Syntax SYSTem KEY lt DNPD gt SYSTem KEY Description This command allows send key code to the device the same way the user can press keys on front panel Query returns last pressed key Operation manual Key Code KEY_0 12 KEY_1 11 KEY_2 15 KEY_3 19 KEY_4 10 KEY_5 14 KEY_6 18 KEY_7 9 KEY_8 13 KEY_9 17 KEY_SELECT 25 KEY_ENTER 24 KEY_CANCEL 23 KEY_UP KEY_DOWN 1 KEY_LEFT 3 KEY_RIGHT 4 KEY_EXPONENT 21 KEY_BACKSPACE 22 KEY_POINT 16 KEY_USER_1 5 KEY_USER_2 6 KEY_USER_3 7 KEY_USER_4 8 KEY_SIGN 20 KEY_OPER 26 KEY_SHORT 27 Table 5 Keyboard codes 56 M632 Precision Resistance Decade MEATEST Parameters lt DNPD gt Key code For particular key cod
24. 23 Host name M632_SN620031 only valid if DHCP is ON 4 6 Calibration mode In this mode resistance elements of the decade can be recalibrated Access to the calibration mode is from the setup Menu Correct password must be entered before calibration Without correct password the access to the calibration mode is refused Default factory set calibration code is 2 Return to standard mode is possible after pushing the key ESC Information Device System Interface aCalibration 2 Cancel Figure 20 Password entry Recalibration procedure consists of measuring of 37 basic resistance values and entering their actually measured data Calibration point can be changes using display softkeys Previous and Next Calibration value of selected resistance can be change using cursor keys A V lt P Operation manual 20 M632 Precision Resistance Decade MEATEST Following table describes nominal values of calibration points and requested recalibration accuracy Calibration points M632 ro 50 ra D Table 1 M632 Calibration points 21 Operation manual MEATEST M632 Precision Resistance Decade Process of calibration consists of measuring partial resistances and writting their actual values into the decade e Set the first calibration point resistance element Use display softkeys Previous and Next to select the element e Measure resistance of the selected element Use ohm meter with app
25. 85A Pt385 68 standard PT385B Pt385 90 standard PT3916 Pt3916 standard PT3926 Pt3926 standard USER User see PLAT COEF command Remarks Overlapped command Value is not affected by reset Example PLAT STAN PT385A PLAT STAN Response PT385A SOURce PLATinum ZRESistance Syntax SOURce PLATinum ZRESistance lt DNPD gt lt UNIT gt SOURce PLATinum ZRESistance Description This command sets resistance at 0 C for Platinum function Parameters lt DNPD gt Range 10 0 20000 0 default 100 0 lt UNIT gt OHM OHM Remarks Overlapped command Value is not affected by reset Example PLAT ZRES 100 0 PLAT ZRES Response 1 000000E 02 OHM Operation manual 42 M632 Precision Resistance Decade MEATEST SOURce RESistance AMPLitude Syntax SOURce RESistance AMPLitude lt DNPD gt lt UNIT gt SOURce RESistance AMPLitude Description This command sets amplitude in Resistance mode Node SOUR RES also selects RESISTANCE function if not already selected Optionaly unit can be enclosed Parameters lt DNPD gt Range 1 0 1 2e6 default 100 0 lt UNIT gt OHM OHM Remarks Overlapped command Value is set to default after reset Example RES 100 0 RES Response 1 000000E 02 OHM SOURce TIMing PAPPend Syntax SOURce TIMing PAPPend lt SPD gt Description This command appends new preset into timing function The new appended preset has empty timing table
26. B type A connector e Standard USB A B cable The USB interface must be selected from decade system menu to be in operation SETUP gt Interface gt Active bus There is no USB setting in the decade Decade box is equiped with USB type B connector CC Pin Label Description 34 1 5V Power supply 2 DATA Data signal 3 DATA Data signal 4 GND Ground Figure 26 USB connector Communication from user control program is performed via standard RS232 interface Following settings should be set on your PC for propper operation Baudrate 9600 Bd Data bits 8 Stop bits 1 Parity None Also proper COM port must be selected After connecting decade to your PC virtual COM port should appear in System Control panel of Microsoft Windows OS This COM port is labeled USB Serial Port COMxx 27 Operation manual MEATEST M632 Precision Resistance Decade 6 5 Command syntax The commands described in this chapter can be issued through all buses RS232 GPIB LAN USB All commands listed in this chapter are explained in two columns KEYWORD and PARAMETERS KEYWORD column includes the name of the command Each command includes one or more keywords If a keyword is in brackets it is not mandatory Non mandatory commands are used only to achieve compatibility with language standard SCPI Capitals designate the abbreviated form of the commands extended form is written in lowercase Command param
27. BIPT3916IPT3926IUSER ZRESistance lt DNPD gt OHM RESistance AMPLitude lt DNPD gt OHM TIMing PAPPend lt SPD gt PCOunt lt DNPD gt PRESet lt IND_PRESET gt NAME lt SPD gt PDELete RAPPend lt SPD gt RCOunt lt DNPD gt ROW lt IND_ROW gt AMPLitude lt SPD gt RDELete SELect lt DNPD gt UFUNction AMPLitude lt DNPD gt CUR Ve SELect lt DNPD gt PAPPend lt SPD gt PCOunt lt DNPD gt PRESet lt IND_PRESET gt NAME lt SPD gt 29 Operation manual MEATEST M632 Precision Resistance Decade PDELete RAPPend lt SPD gt RCOunt lt DNPD gt ROW lt IND_ROW gt AMPLitude lt SPD gt RDELete UNIT lt SPD gt STATUS OPERation CONDition lt DNPD gt ENABle lt DNPD gt EVENt lt DNPD gt NTRansition lt DNPD gt PTRansition lt DNPD gt QUEStionable CONDition lt DNPD gt ENABle lt DNPD gt EVENt lt DNPD gt NTRansition lt DNPD gt PTRansition lt DNPD gt SYSTem BEEPer STATe ONIOFFI1 0 VOLume lt DNPD gt COMMunicate BUSCH SERiallIGPIBIUSBILAN GPIB ADDRess lt DNPD gt LAN ADDRess lt CPD gt MASK lt CPD gt GATE lt CPD gt PORT lt DNPD gt HOST lt CPD gt DHCP ONIOFFILI0 RES Tat SERial BAUD 1200 240014800 9600119200 1384001576001115200 DATE lt DNPD gt lt DNPD gt lt DNPD gt ERRor NEXT lt CPD
28. M 632 Precision Resistance Decade Operation manual MEATEST M632 Precision Resistance Decade MEATEST Content A A N AEA EEEE A A A A A A 4 e Dre AAEE A A A E 4 1 BASIC INFORMATION ss sisccscessescesessecsseconcsoss0ssesbecsevsasecesscusoeeaseecscosteccssesssecscesesccsassosvdcecosonseaadeesseocsssesee 5 2 PREPARATION FOR USE cissscssscscevisescsssesccssccsessscavecesccsscvssccuscossecesdeuscscsconsecsscestesesecosectvecse cssesesdsusscensoesvess 5 PAR INSPECTING PACKAGE CONTENTS SELECTING THE INSTALLATION LOCATION 5 Ze POR A A 5 Zh ARA E SE eee 6 2A E RN a 6 3 DESCRIPTION WE 7 3 1 PRONT PANE iieri eea i aei eE ia 7 32 De EE 9 4 OPERATION NEE 10 4 1 CONNECTION AND DISCONNECTION OF OUTPUT TERMINALS sseeeeeeerererererererererererererreerererererererees 10 4 2 WIRES CONNECTION cuida a di td tits 10 4 3 SETTING THE FUNC A O EVE ATE HESSE ES 10 4 4 SETTING THE VALVE OP OUTPUT SIN ade 17 4 5 SETUP MEN a 18 4 6 A O 20 5 PERFORMANCE VERIFICATION TEST sscccscscssssssssscscccsssscsssccccsssssscceccccsescssesscceccesssssssececcssees 23 6 REMOTE CONTROL ivssiss siscscssccvsccsecesescsscocsecss cassecsecsasecsscosvecessossecsnsesceseesoesasts cosboteesessucecosssseessveccnecesseess 24 6 1 ees AE INTERE E eegene Ee dE ee ee 24 2 GPIB INTERFACE OPTION aii 25 6 3 LAN INTERFACE OPTION ecooconcionccondoncccinsconiacnioocdacado dotan San tsnseceeessas cssndees cea ndees dan daceavsoneeas saaneess snetensese 26 6 4
29. MPLitude Description This command sets retreives selected row in timing table Parameters lt IND_PRESET gt Range 1 Preset count 1 if omitted lt IND_ROW gt Range 1 Row count 1 if omitted lt SPD gt Quoted string representing amplitude The amplitude consists of two float numeric fields separated by comma The first one represents timing interval in seconds and the second one amplitude in Ohms Remarks Overlapped command Example TIM PRES2 ROW1 AMPL 0 5 220 0 TIM PRES2 ROW1 AMPL Response 5 000000E 01 2 200000E 02 SOURce TIMing PRESet lt IND_PRESET gt ROW lt IND_ROW gt RDELete Syntax SOURce TIMing PRESet lt IND_PRESET gt ROW lt IND_ROW gt RDELete Description This command deletes row from timing table Parameters lt IND_PRESET gt Range 1 Preset count 1 if omitted lt IND_ROW gt Range 1 Row count 1 if omitted Remarks Overlapped command Example TIM PRES2 ROW1 RDEL SOURce TIMing SELect Syntax SOURce TIMing SELect lt DNPD gt SOURce TIMing SELect Description This command selects timing preset Selected preset is the preset that is shown on device display and has no effect on other SOUR TIM commands Parameters lt DNPD gt Range 1 Preset count default 1 one based index of preset Remarks Overlapped command Value is not affected by reset Example TIM SEL 1 TIM SEL Response 1 SOURce UFUNction AMPLitude Syntax SOURce UFUNction AMPLitude
30. PD gt lt DNPD gt SYSTem TIME Description This commands allows set system device time RTC Parameters lt DNPD gt Hours Range 0 23 lt DNPD gt Minutes Range 0 59 lt DNPD gt Seconds Range 0 59 Remarks Overlapped command Example SYST TIME 10 45 15 SYST TIME Response 10 45 15 SYSTem VERSion Syntax SYSTem VERSion Description This query retreives version of implemented SCPI language Parameters lt CPD gt SCPI language version Remarks Overlapped command Example SYST VERS Response 1999 0 UNIT TEMPerature Syntax UNIT TEMPerature lt CPD gt UNIT TEMPerature Description This function allows to set unit for all temperature functions Platinum Nickel Parameters lt CPD gt CELIFARIK default CEL CEL degrees of Celsius PAR degrees of Fahrenheit K Kelvin Remarks Overlapped command Value is not affected by reset Example UNIT TEMP CEL UNIT TEMP Response CEL Operation manual 58 M632 Precision Resistance Decade MEATEST 6 10 SCPI Error codes Decade box distinguishes following SCPI error codes These codes are reported on device display screen or can be read by SYST ERR Command Error Message 100 Command error 101 Invalid character 102 Syntax error 103 Invalid separator 104 Data type error 105 GET not allowed 108 Parame
31. Request Enable Register The Service Request Enable Register suppresses or allows the STB bits 0 value of a SRE bit means that the bit does not influence value of MSS bit Value of any unmasked STB bit results in setting of the MSS bit to the level 1 SRE bit 6 is not influenced and its value is 0 The SRE register value can be set via the command SRE followed by mask register value 0 191 The register can be read with the command SRE The register is automatically resets after switching the decade box on The register is not reset by the command CLS ESR Event Status Register Every bit of the EventStatusRegister corresponds to one event Bit is set when the event is changed and it remains set also when the event passed The ESR is cleared when the power is turned on except bit PON which is set and every time it is read via command ESR Or cleared with CLS Bit configuration of Event Status Register PON Power On bit 7 This event bit indicates that an off to on transition has occurred in the device s power supply URQ User Request bit 6 Bit is not used and it is always 0 CME Command Error bit 5 This event bit indicates that an incorrectly formed command or query has been detected by the instrument EXE Execution Error bit 4 This event bit indicates that the received command cannot be executed owing to the device state or the command parameter being out of limits DDE Device Dependent Error
32. ST STATus OPERation CONDition Syntax STATus OPERation CONDition Description This query returns the content of Operational Condition register It is a decimal value which corresponds to the binary weighted sum of all bits in the register Register is not cleared after this query The response to the query therefore represents an instantaneous Snapshot of the register state at the time that the query was accepted Parameters lt DNPD gt Operational Condition register Remarks Overlapped command Example STAT OPER COND Response 2 STATus OPERation ENABle Syntax STATus OPERation ENABle lt DNPD gt STATus OPERation ENABle Description This command enables bits in the Operational Data Enable register Selected bits are summarized at bit 7 OSS of the IEEE488 2 Status Byte register Parameters lt DNPD gt Operational Data Enable register Remarks Overlapped command Example STAT OPER ENAB 2 STAT OPER ENAB Response 2 STATus OPERation EVENt Syntax STATus OPERation EVENt Description This query returns the content of Operational Data Event register It is a decimal value which corresponds to the binary weighted sum of all bits set in the register Register is cleared after this query Parameters lt DNPD gt Operational Data Event register Remarks Overlapped command Example STAT OPER Response 0 STATus OPERation NTRansition Syntax STATus OPERation NTRansition lt DNPD
33. T M632 Precision Resistance Decade This command sets state of device beeper Parameters lt BOOL gt ONIOFFI110 default 1 ON device system beeper is enabled OFF device system beeper is disabled l same as ON same as OFF Remarks Overlapped command Value is not affected by reset Example SYST BEEP STAT ON SYST BEEP STAT Response 1 SYSTem BEEPer VOLume Syntax SYSTem BEEPer VOLume lt DNPD gt SYSTem BEEPer VOLume Description This command sets the system device beeper volume Parameters lt DNPD gt Range 0 0 1 0 Max volume default 0 2 Remarks Overlapped command Value is not affected by reset Example SYST BEEP VOL 0 2 SYST BEEP VOL Response 2 000000E 01 SYSTem COMMunicate BUS Syntax SYSTem COMMunicate BUS lt CPD gt SYSTem COMMunicate BUS Description This command selects communication interface Parameters lt CPD gt SERiallIGPIBIUSBILAN default SER SERial RS232 interface GPIB GPIB interface USB USB interface LAN LAN interface Remarks Sequential command Value is not affected by reset Example SYST COMM BUS SER SYST COMM BUS Response SER SYSTem COMMunicate GPIB ADDRess Syntax SYSTem COMMunicate GPIB ADDRess lt DNPD gt SYSTem COMMunicate GPIB ADDRess Description This commands allows set communication GPIB address Parameters Operation manual 52 M632 Precision Resistance Decade MEATEST lt DNPD gt Range 1 31 default
34. TEST M632 Precision Resistance Decade STB Status Byte Register STB is main register where information from other status registers and from output queue is collected Value of STB register is reset after switching on the device or after sending command CLS This command reset the STB register except bit MAV which remains set if the output queue is not empty STB register value can be read via serial message or through general query STB Bit configuration of Status Byte Register OSS Operation Summary Status bit 7 SCPI defined The OSS bit is set to 1 when the data in the OSR Operation Status Register contains one or more enabled bits which are true RQS Request Service bit 6 The bit is read as a part of status byte only when serial message is sent MSS Master Summary Status bit o The MSS bit is set to 1 whenever bits ESB or MAN are 1 and enabled 1 in the SRE This bit can be read using the STB command Its value is derived from STB and SRE status ESB Event Summary Bit bit 5 His value is derived from STB and SRE status The ESB bit is set to 1 when one or more enabled ESR bits are set to 1 MAV Message Available bit 4 The MAV bit is set to 1 whenever data is available in the IEEE488 Output Queue the response on query is ready QSS Questionable Summary Status bit 3 SCPI defined The QSS bit is set to 1 when the data in the QSR Questionable Status Register contains one or more enabled bits which are true SRE Service
35. This command allows deleting existing preset The preset will be deleted including particular timing table Parameters lt IND_PRESET gt Range 1 Preset count 1 if omitted Remarks Overlapped command Example TIM PRES1 PDEL SOURce TIMing PRESet lt IND_PRESET gt RAPPend Syntax SOURce TIMing PRESet lt IND_PRESET gt RAPPend lt SPD gt Description This command appends new record at the end of timing table Parameters lt IND_PRESET gt Range 1 255 1 if omitted lt SPD gt Quoted string representing amplitude The amplitude consists of two float numeric fields separated by comma The first one represents timing interval in seconds and the second one amplitude in Ohms Remarks Overlapped command Example TIM PRES1 RAPP 0 5 220 0 SOURce TIMing PRESet lt IND_PRESET gt RCOunt Syntax SOURce TIMing PRESet lt IND_PRESET gt RCOunt Description This commands returns actual number of records in timing table Parameters lt IND_PRESET gt Range 1 Preset count 1 if omitted lt DNPD gt Integer value representing number of records Remarks Overlapped command Example TIM PRES1 RCO Response 6 Operation manual 44 M632 Precision Resistance Decade MEATEST SOURce TIMing PRESet lt IND_PRESET gt ROW lt IND_ROW gt AMPLitude Syntax SOURce TIMing PRESet lt IND_PRESET gt ROW lt IND_ROW gt AMPLitude lt SPD gt SOURce TIMing PRESet lt IND_PRESET gt ROW lt IND_ROW gt A
36. ameters have limits high and low If the entered value is outside these limits warning message is displayed Value too high low and new value is not accepted 17 Operation manual MEATEST M632 Precision Resistance Decade 4 5 Setup Menu Setup Menu is displayed after pressing Menu softkey Setup menu permits setting device s parameters New parameters are saved into the non volatile memory Device System Interface aCalibration Figure 19 Setup menu Required menu item is highlighted using cursor keys A W or display softkeys Highlighted menu is selected by pressing SELECT key or OK softkey Information This menu displays information about the device Items can t be changed by the user Manufacturer Model Seial number Software version Hardware version Device This menu permits setting operational parameters of device Temperature unit Temperature functions can be expressed in different units Available units are C Celsius F Fahrenheit and K Kelvin Switching Item defines the way how resistance value is changed Value R1 is changed to value R2 in the time interval T Resistance connected to the output terminals can have different values during the time interval T FAST Fastest possible switching method T is typically 400us Resistance during T is undefined It can be higher or lower than R1 R2 SMOOTH Method with smalest possible resistance change Tis typically lms Resistance d
37. and new records should be also appended see TIM PRES lt index gt RAPP The new preset has its own index and can be obtained by TIM PCO command Parameters lt SPD gt Quoted preset name Upper alpha lower alpha digits and spaces are allowable Maximum string size is 10 characters Remarks Overlapped command Example TIM PAPP TIME2 SOURce TIMing PCOunt Syntax SOURce TIMing PCOunt Description This command retreives actual number of timing presets This number represents maximum index used in preset commands Parameters lt DNPD gt Integer value representing preset count Remarks Overlapped command Example TIM PCO Response 1 SOURce TIMing PRESet lt IND_PRESET gt NAME Syntax SOURce TIMing PRESet lt IND_PRESET gt NAME lt SPD gt SOURce TIMing PRESet lt IND_PRESET gt NAME Description This command allows reading and changing preset name The preset must exist before its name is changed or read Parameters 43 Operation manual MEATEST M632 Precision Resistance Decade lt IND_PRESET gt Range 1 Preset count 1 if omitted lt SPD gt Quoted preset name Upper alpha lower alpha digits and spaces are allowable Maximum string size is 10 characters Remarks Overlapped command Example TIM PRES2 NAME TIME 1s TIM PRES2 NAME Response TIME 1s SOURce TIMing PRESet lt IND_PRESET gt PDELete Syntax SOURce TIMing PRESet lt IND_PRESET gt PDELete Description
38. ce is set SHORt short function is activated before new resistance is set Remarks Overlapped command Value is not affected by reset Example OUTP SWIT FAST OUTP SWIT Response FAST SOURce NICKel AMPLitude Syntax SOURce NICKel AMPLitude lt DNPD gt lt UNIT gt SOURce NICKel AMPLitude Operation manual 40 M632 Precision Resistance Decade MEATEST Description This command sets temperature in Nickel mode Node SOUR NICK also selects NICKEL function if not already selected If unit parameter is part of temperature new unit is set Parameters lt DNPD gt temperature at Nickel function Default value is 100 0 C lt UNIT gt CELIFARIK CEL degrees of Celsius FAR degrees of Fahrenheit K Kelvin Remarks Overlapped command Value is set to default after reset Example NICK 100 0 NICK Response 1 000000E 02 CEL SOURce NICKel ZRESistance Syntax SOURce NICKel ZRESistance lt DNPD gt lt UNIT gt SOURce NICKel ZRESistance Description This command sets resistance at 0 C for Nickel function Parameters lt DNPD gt Range 10 0 20000 0 default 100 0 lt UNIT gt OHM OHM Remarks Overlapped command Value is not affected by reset Example NICK ZRES 100 0 NICK ZRES Response 1 000000E 02 OHM SOURce PLATinum AMPLitude Syntax SOURce PLATinum AMPLitude lt DNPD gt lt UNIT gt SOURce PLATinum AMPLitude Description This command
39. chapter Technical data In case of control the simulator confirms correct setting with string Ok lt cr gt lt lf gt In case of query M632 returns set resistance temperature user_function value in the same format as it is on the display number of decimal places For example value 120 C is returned as 120 000 lt cr gt lt If gt Positive numbers are sent without polarity sign Example Command A123 564 lt cr gt sets temperature 123 564 C if simulator is in temperature simulation function 123 564 Q if simulator is in resistance function and 123 564 X if decade is in User function X represents user defined unit If query A lt cr gt is sent simulator returns response in format 123 564 lt cr gt lt lf gt Decade function setting F lt CPD gt 0 1 2 3 4 5 6 7 S O Following function can be set e 0 resistance mode e 1 Pt385 68 temperature sensor simulation e 2 Pt385 90 temperature sensor simulation e 3 Pt3916 temperature sensor simulation e 4 Ni temperature sensor simulation e 5 User platinum temperature sensor simulation e 6 Pt3926 temperature sensor simulation e 7 User function simulation e os Short e 0 Open M632 confirms execution with string Ok lt cr gt lt If gt Example Fl lt cr gt sets Pt100 sensor simulation Operation manual 60 M632 Precision Resistance Decade MEATEST I D device identification IDN Response contains name of manu
40. conds e After the tests conclude the instrument resets to its reference state i e the following parameters are set Function Resistance Set value 100 00 Q Output terminals OFF 2 3 Warm up time The instrument works after it is switched on and the initial checks complete Specified parameters are only guaranteed after the instrument warms up for 10 minutes 2 4 Safety precautions The instrument has been designed according to EN 61010 1 2011 Safety is ensured by the design and by the use of specific component types The manufacturer is not liable for the damage caused by modification of the construction or replacement of parts with non original ones Safety symbols used on the equipment Warning reference to the documentation Operation manual 6 M632 Precision Resistance Decade MEATEST 3 Description ES Front panel 1 3 4 5 6 8 y FAST 200 000 Y 2 7 Figure 2 Front panel On the front panel there are located all main control keys display and output terminals 1 Output terminals Four wire output terminals Measuring evaluation circuit can be connected by 2 3 or 4 wires Both sides red and grey are floating up to 500Vpk against the case PE 2 Ground terminal Central groud terminal protective earth connected to the metal case of the instrument It is recommended to connect it to the grey output terminals if connected meter is not grounded 3 Display A gt PLATINUM SE
41. dit mode Only parameters displayed in blue color can be changed Display can be switched to edit mode in different ways Pressing numeric button Pressing Sel button in the middle of cursors buttons Pressing cursor button In edit mode is edited value highlighted by blue backgournd Pressing the SELECT button you can change among editable blue parameters Edit mode is finished by pressing CANCEL key Entry of the value using numeric keyboard e Use the numeric keyboard to set the desired value After the first digit is entered input box is displayed In the upper row of the input box is the name of edited parameter Using softkeys you can enter the new value in different units RESISTANCE 15 21 31 v FAST 100 000 Y Dutput Open RESISTANCE 122 14 Max Current 50 0 mA Cancel Figure 18 Numeric value entry e Enter desired value e After the entry is complete press softkey with requested unit or press ENTER key ENTER key inputs the value in basic units Q C e Instrument sets the new value e The value is copied to the appropriate field in the screen and the input box disappears Entry of the value using cursor keys e Press gt A or Y key The display now includes cursor marks which points to the active digit e A Y keys can be used to change the value gt keys can be used to change the position of active digit e To get to the default screen press CANCEL key Note e All par
42. ected to the output terminals by the OPER key 4 2 Wires connection Output resistance is available on R output terminals Available is 2 3 and 4 wire connection Both sides red and grey are floating up to 500Vpk against the case PE Ground terminal is connected to the metal case and to the protective earth PE 4 3 Setting the function Function can be changed after pressing Function softkey New function is selected using cursor keys A Y or display softkeys Selection must be confirmed by pressing SELECT key or OK softkey Device supports following functions Resistance Offers direct setting of exact resistance value RESISTANCE 14 33 45 e FAST 100 000 Q Function Dutput 100 000 2 Specification 0 0040 Max Voltage 5 00 U Max Current 50 0 mA Figure 5 Resistance screen Editable parameters Resistance value 10 12MQ Switching mode FAST SMOOTH VIA OPEN VIA SHORT Operation manual 10 M632 Precision Resistance Decade MEATEST Platinum Offers direct setting of temperature of simulated platinum thermometer PLATINUM 14 36 06 e PT385 90 vw FAST 100 000 C Function Output 138 505 2 RO 100 000 Specification 0 015 C Max Voltage 5 88 U Max Current 42 5 mA Figure 6 Platinum screen Editable parameters Temperature 200 C 850 C 328 F 1562 F RO value 10 Q 20 KQ Temperature standard PT385 68 PT385 90 PT3916 PT3926
43. election CANCEL button can be used to cancel the entry Colors on display Common rules are used for applied color of labels and values Red color is applied when displayed value is measured by the instrument This color isn t use in all versions Blue color is applied for parameters or values which can be set up or modified directly from front panel keyboard or via Main menu Black color is used for fix values labels notes parameters which cannot be modified and for other fix text with general information purpose Meaning of softkeys is shown in the right part of display If there is no description next to the softkey the softkey is not active in selected function 3 2 Rear panel There are located power cord socket power line fuse power line voltage selector 115 230V interface connectors RS232 and optionaly LAN USB and IEEE488 on the rear panel Figure 4 Rear panel 9 Operation manual MEATEST M632 Precision Resistance Decade 4 Operation 4 1 Connection and disconnection of output terminals Set value is connected disconnected to the output terminals after pressing OPER key Connected output terminals are indicated by the lit LED in the key Disconnected output terminals can be used for Open terminals simulation Short circuit is simulated after pressing SHORT key Active SHORT key LED in the key is ON replaces the main value with the short circuit Also the short circuit must be conn
44. es see table above Remarks Overlapped command Example SYST KEY 12 SYST KEY Response 12 SYSTem LOCal Syntax SYSTem LOCal Description This command places device in the LOCAL mode and unlocks all keys on front panel of the device The Command is valid only for RS232 LAN and USB interfaces The device will not respond to commands in LOCAL mode Parameters None Remarks Overlapped command Example SYST LOC SYSTem PRESet Syntax SYSTem PRESet Description This command will preset all device settings These settings are the same as the RESET ones Parameters None Remarks Overlapped command Example SYST PRES SYSTem REMote Syntax SYSTem REMote Description This command places device in the REMOTE mode and locks all keys but LOCAL key The Command is valid only for RS232 LAN and USB interfaces The device will not respond to any other command until is in REMOTE mode Parameters None Remarks Overlapped command Example SYST REM SYSTem RWLock Syntax SYSTem RWLock Description 57 Operation manual MEATEST M632 Precision Resistance Decade This command places device in the REMOTE mode and locks all keys including LOCAL key The Command is valid only for RS232 LAN USB interfaces The device will not respond to any other command until is in REMOTE mode Parameters None Remarks Overlapped command Example SYST RWL SYSTem TIME Syntax SYSTem TIME lt DNPD gt lt DN
45. eters are in brackets lt gt each parameter is separated using a comma Parameters in brackets are not mandatory Line means or and is used to separate several alternative parameters Semicolon is used to separate more commands written on one line E g RES 100 OUTP ON Terminators For GPIB interface each command line must end with lt lf gt Response from the device also returns lt lf gt For non GPIB interfaces lt cr gt lt lf gt or lt crlf gt can be used as terminator The device returns lt crlf gt in this case The device performs all commands written on one line of the program after it receives terminator Without terminator the program line is not executed Description of abbreviations lt DNPD gt Decimal Numeric Program Data this format is used to express decimal number with or without the exponent lt CPD gt Character Program Data Usually it represents a group of alternative character parameters E g SERiallGPIBIUSBILAN lt SPD gt String Program Data quoted string This type of parameter is similar to CPD but allows transmission of more ISO characters lt BOOL gt Boolean Program Data This type of parameter has only two states 0 and 1 Parameter can take form of integer value 0 or 1 or character alias ON or OFF Device always returns integer value 0 or 1 lt UNIT gt unit parameter works in conjunction with DNPD parameter and specifies unit of DNPD
46. facturer model type number serial number firmware version Example If query IDN lt cr gt is sent decade returns response MEATEST M632 622351 1 2 lt cr gt lt lf gt RO setting reading R lt DNPD gt Command sets resistance value RO at temperature 0 C Set value RO is valid for all types of simulated temperature sensors lt DNPD gt It represents resistance value RO in Q Limits are shown in chapter Technical data M632 confirms execution with string Ok lt cr gt lt lIf gt In case of query M632 returns set value in Q Example R100 lt cr gt sets value RO to 100 Q Pt100 Ni100 After query R lt cr gt decade returns string 100 lt cr gt lt lf gt Temperature unit setting U lt CPD gt 0 1 2 Command sets used temperature unit e 0 sets degree Celsia C e 1 sets degree Fahrenheita F e 2 sets Kelvin unit K M632 confirms execution with string Ok lt cr gt lt lf gt Example UO lt cr gt sets C as temperature unit Status reading V M632 returns device status in form FxUx lt cr gt lt lf gt On positions of signs A there are values corresponding to the actual status of decade Example After query V lt cr gt decade returns for example string F2U0 lt cr gt lt If gt which means Pt 90 C actual setting Correctly executed command is confirmed with string Ok lt cr gt lt If gt When correct query is received M632 retu
47. gt KEY lt DNPD gt LOCal PRESet REMote RWLock TIME lt DNPD gt lt DNPD gt lt DNPD gt VERSion lt CPD gt UNIT TEMPerature CELIFARIK CLS ESE ESR IDN OPC Operation manual 30 M632 Precision Resistance Decade MEATEST OPT RST SRE STB TST WAI 6 7 Standard Status Data Structures Decade box meets standard protocol according to the standard IEEE488 2 The protocol can be used for checking of error and status behavior of the device It enables single wire transmitting of SRQ command The conditions on which SRQ signal local control request is sent can be set with parameters STB SRE SRE ESR ESE ESE a CLS PON URQ CME EXE DDE QYE 0 OPC ESR Event Status Register Read using ESR Output Queue Read using ESE Write using ESR ESE Event Status Enable Register QSS Summary Bit not used lt Read by Serial Poll STB Status Byte Register Service Request Generation Read using STB OR Read using SRE Write using SRE 7 6 5 4 3 2 1 o SRE Service Request Enable Register Status Register Overview Figure 27 Status register overview Status data structure contains following registers STB Status Byte Register SRE Service Request Enable Register ESR Event Status Register ESE Event Status Enable Register Output Queue 31 Operation manual MEA
48. ion This query returns the content of Questionable Condition register It is a decimal value which corresponds to the binary weighted sum of all bits in the register Register is not cleared after this query The response to the query therefore represents an instantaneous Snapshot of the register state at the time that the query was accepted Parameters lt DNPD gt Questionable Condition register Remarks Overlapped command Example STAT QUES COND Response 2 STATus QUEStionable ENABle Syntax STATus QUEStionable ENABle lt DNPD gt STATus QUEStionable ENABle Description This command enables bits in the Questionable Data Enable register Selected bits are summarized at bit 3 QSS of the IEEE488 2 Status Byte register Parameters lt DNPD gt Questionable Data Enable register Remarks Overlapped command Example STAT QUES ENAB 2 STAT QUES ENAB Response 2 Operation manual 50 M632 Precision Resistance Decade MEATEST STATus QUEStionable EVENt Syntax STATus QUEStionable EVENt Description This query returns the content of Questionable Data Event register It is a decimal value which corresponds to the binary weighted sum of all bits set in the register Register is cleared after this query Parameters lt DNPD gt Questionable Data Event register Remarks Overlapped command Example STAT QUES Response 0 STATus QUEStionable NTRansition Syntax STATus QUEStionable NTRansitio
49. ion e Personal Computer or other controling device with GPIB interface e GPIB cable The GPIB interface must be selected from decade system menu to be in operation SETUP gt Interface gt Active bus There is only one GPIB setting accesible from the decade system menu under SETUP gt Interface path GPIB Address 1 to 31 The instrument performs the following functions based on IEEE488 bus commands SH1 AH1 T5 L3 RL1 DC1 The instrument also recognizes the following general commands DCL Device Clear resets the instrument to its basic state SDC Selected Device Clear resets the instrument to its basic state Ee Ge GTL Go To Local switches the remote control off Dios Dios LLO Local Lock Out switches the local control off the instrument Moe NO AER WDA cannot be controlled from the front panel NDAC IFC SRQ GND TW PAIR W NDAC GND TW PAIR WIIFC GND TW PAIR W SRQ ATN GND TW PAIR W ATN SHIELD IL SIGNAL GROUND Commands are identical to the commands for RS 232 interface Detailed description is shown in chapter 8 2 Figure 23 IEEE488 connector 25 Operation manual MEATEST M632 Precision Resistance Decade 6 3 LAN Interface option LAN Interface allows communication with decade box using Telnet protocol A propper setting must be established Following equipment is required e M632 decade box with LAN USB IEEE488 bus option e Personal Computer or other controling device with LAN interface
50. itle on device screen Parameters lt BOOL gt ONIOFFI110 default 1 ON actual time is shown OFF actual time is hidden l same as ON same as OFF Remarks Overlapped command Value is not affected by reset Example DISP ANN CLOC ON DISP ANN CLOC Response 1 Operation manual 38 M632 Precision Resistance Decade MEATEST DISPlay BRIGhtness Syntax DISPlay BRIGhtness lt DNPD gt DISPlay BRIGhtness Description This command sets brightness of device display Parameters lt DNPD gt Range 0 0 1 0 default 1 0 0 0 Min 1 0 Max brightness Remarks Overlapped command Value is not affected by reset Example DISP BRIG 1 0 DISP BRIG Response 1 000000E 00 DISPlay LANGuage Syntax DISPlay LANGuage lt CPD gt DISPlay LANGuage Description This command sets language that is used on device display Parameters lt CPD gt ENGLishIDEUTschIFRENchIRUS SianlSPANishICZECh default ENGL ENGL eh english version DEU Tech deutsch version FRENch french version RUSSian russian version SPANIsh spanish version CZECh czech version Remarks Overlapped command Value is not affected by reset Example DISP LANG ENGL DISP LANG Response ENGL OUTPut SHORt Syntax OUTPut SHORt lt BOOL gt OUTPut SHORt Description This command turns on short function Short is activated only if output terminals are switched on see OUTP STAT command Parameters lt BOOL gt ONIOFFI110
51. l Manual table setup can be done in Menu Device User function curve USER FUNCTION Curve CURVE2 Figure 9 User function list Menu shows a list of all previously defined tables curves Screen above shows two tables named CURVE1 and CURVE2 but number of tables and their names can be different due to local settings Softkeys on the right hand side of the panel have these functions New create a plain table curve Edit edit selected table Table can be selected using A V cursor keys Delete delete selected table Close close the menu and return to Menu Device Operation manual 12 M632 Precision Resistance Decade MEATEST Creating a new table Pressing the New softkey opens this submenu USER FUNCTION Curve nane MS Unit Lookup table Cancel Figure 10 New user function Curve name table name is set using A Y character selection and gt position cursor keys Name may be 8 characters long at most Softkey A lt gt a switches between uppercase and lowercase of selected character Table name has to be set before proceeding to the next step using key Unit user function unit abbreviation is set in the same way as table name only it can be just up to two characters long Unit abbreviation has to be set before proceeding to the next step using the ES Key Lookup table a place where you define user function using values in Q Table
52. mand Example CLS Operation manual 36 M632 Precision Resistance Decade MEATEST 6 9 SCPI Commands This chapters describes all public SCPI commands in detailed form The commands here are in alphabetic order CALibration RESistance AMPLitude Syntax CALibration RESistance AMPLitude lt DNPD gt CALibration RESistance AMPLitude Description This command sets calibration value of particular internal resistance standard at output terminals including all parasitic resistances inside decade box Parameters lt DNPD gt Standard resistance value in Ohms Ranges and default values varies in accordance to selected resistance etalon see table Calibration points M632 Remarks This command requires Calibration access Overlapped command Value is not affected by reset Example CAL RES AMPL 1 944 CAL RES AMPL Response 1 944000E 00 CALibration RESistance SELect Syntax CALibration RESistance SELect lt DNPD gt CALibration RESistance SELect Description This command enters calibration mode and selects internal resistance standard for calibration Output terminals are automatically switched on Parameters lt DNPD gt Range 1 Max Resistance Count one based index of resistance standard Remarks This command requires Calibration access Overlapped command Example CAL RES SEL 1 CAL RES SEL Response 1 CALibration SECure PASSword Syntax CALibration SECure PASSword lt DNPD gt Descrip
53. meters Timing table table defined by the user Switching mode FAST SMOOTH VIA OPEN VIA SHORT Operation manual 14 M632 Precision Resistance Decade MEATEST Sequence is defined by table of time intervals and corresponding resistance values This table is called Preset and is editable Maximum number of tables is 10 with each table having up to 4 time intervals but the fewer tables are defined the more time intervals within can be set For instance one table can have up to 60 intervals 3 tables can have up to 18 intervals and so on Tables can be defined via remote control as well Manual table setup can be done in Menu Device Timings TIMINGS Preset TIMING A TIMING B TIMING C Delete Figure 14 Time sequence list Menu shows a list of all previously defined tables presets Screen above shows three tables named TIMING AS TIMING B a TIMING C but number of tables and their names can be different due to local settings Softkeys on the right hand side of the panel have these functions New create a plain table Preset Edit edit selected table Table can be selected using A V cursor keys Delete delete selected table Close close the menu and return to Menu gt Device Creating a new table Pressing the New softkey opens this submenu TIMINGS Preset name Emel Tining table Figure 15 New sequence 15 Operation manual MEATEST M632 Precision Resis
54. must contain at least two user function value Q value points so that a slope of the function can be calculated Range in user function mode is given by actual resistance range of the decade Browsing through the table is done by A Y cursor keys Editing is done using these contextual softkeys Add create a new point Anplitude 1 000000E 00 Resistance 1 0000000 2 Figure 11 User function point editing Amplitude user function value in user units Press the key to proceed Resistance corresponding 2 value Range is restricted to actual resistance range of the decade Edit edit selected point Delete delete selected point Save closes the table and saves current settings Cancel closes the table and does not save current settings 13 Operation manual MEATEST M632 Precision Resistance Decade Editing an existing table Existing table can be edited in the same way as it can be created Editable entries Curve name Unit Lookup table points are selected using the key USER FUNCTION Curve name CURVE1 Lookup table 1 1 000000E D0 1 0000000 R 2 1 000000E 01 10 000000 f Delete Figure 12 User function edit Timing Offers simulation of time varying resistance defined by a table User can define more time curves TIMING 15 10 52 v NE Dutput 200 000 2 Function Specification Max Voltage U Max Current H Figure 13 Timing screen Editable para
55. n lt DNPD gt STATus QUEStionable NTRansition Description This comman allows set Questionable Negative Transition Register It is a decimal value which corresponds to the binary weighted sum of all bits set in the register Setting a bit in the negative transition filter shall cause a 1 to O transition in the corresponding bit of the associated condition register to cause a 1 to be written in the associated bit of the corresponding event register Parameters lt DNPD gt Questionable Negative Transition Register Range 0 32767 Remarks Overlapped command Example STAT QUES NTR 2 STAT QUES NTR Response 2 STATus QUEStionable PTRansition Syntax STATus QUEStionable PTRansition lt DNPD gt STATus QUEStionable PTRansition Description This comman allows set Questionable Positive Transition Register It is a decimal value which corresponds to the binary weighted sum of all bits set in the register Setting a bit in the positive transition filter shall cause a 0 to 1 transition in the corresponding bit of the associated condition register to cause a 1 to be written in the associated bit of the corresponding event register Parameters lt DNPD gt Questionable Positive Transition Register Range 0 32767 Remarks Overlapped command Example STAT QUES PTR 2 STAT QUES PTR Response 2 SYSTem BEEPer STATe Syntax SYSTem BEEPer STATe lt BOOL gt SYSTem BEEPer STATe Description 51 Operation manual MEATES
56. numeric value Unit must be selected from predefined ones If UNIT part is omitted default one is used Query always returns actual unit A flag indicating a request for the value of the parameter specified by the command No other parameter than the question mark can be used A flag indicating a request for the parameter specified by the command This command permits a value to be set as well as requested lt cr gt carriage return ASCII code 13 This code executes the program line lt lf gt line feed ASCH code 10 This code executes the program line Operation manual 28 M632 Precision Resistance Decade MEATEST 6 6 SCPI Command Tree This chapter sumarizes all public SCPI commands supported by device in alphabetic order Detailed description follows in next chapter CALibration RESistance AMPLitude lt DNPD gt SELect lt DNPD gt SECure PASSword lt DNPD gt EXIT DISPlay ANNotation CLOCk DATE FORMat MDYSIMDYAIDMYSIDMYOIDMYAIYMDSIYMDO STATe ONIOFFI110 BRIGhtness lt DNPD gt LANGuage ENGLishIDEUTschIFRENchIRUSSianISPANishICZECh OUTPut SHORt ONIOFFI110 STATe ONIOFFI110 SWITching FASTISMOothIOPENISHORt SOURce NICKel AMPLitude lt DNPD gt CELIFARIK ZRESistance lt DNPD gt OHM PLATinum AMPLitude lt DNPD gt CELIFARIK COEFficient lt DNPD gt lt DNPD gt lt DNPD gt STANdard PT385AIPT385
57. oltage relays and stable resistors are used as main parts of the decade Actual set values are displayed high resolution TFT display M632 is sophisticated instrument with its own re calibration procedure The procedure enables to correct any deviation in resistance without any mechanical adjusting Instrument is especially suitable for automatic testing procedures RS232 line optionally TEEE488 USB and Ethernet bus is used for connecting decade to the computer 2 Preparation for use 2 1 Inspecting package contents selecting the installation location Basic package includes the following items Resistance decade M632 RS232 cable CD with demo program User s manual Test report The instrument must be powered by 230 115 V 50 60 Hz mains Before powering on the instruments place it on a level surface If the instrument was stored out of range of reference temperatures let it stabilize for one hour 2 2 Power on e Before connecting the instrument to the mains check the position of the mains voltage selector located at the rear panel e Plug one end of the power cord into the connector located at the rear panel and connect the other end of the power cord into a wall outlet 5 Operation manual MEATEST M632 Precision Resistance Decade e Switch on the mains switch located at the rear panel Display is lit STARTING Figure 1 Starting Screen e The instrument performs internal hardware checks for app 5 se
58. ove the fuse and replace it with new fuse of the same rating 7 2 External surface cleaning To keep the device looking like new clean the case and front panel keys using a soft cloth slightly dampened with either water or a non abrasive mild cleaning solution that is not harmful to plastics 8 Module 19 version M632 Vxx1x Decade can be ordered as 19 module for easy assembling into a 19 rack Module height is 3HE Ss A J k 200 000 9 q e J Figure 28 Module 19 rack front panel 63 Operation manual MEATEST M632 Precision Resistance Decade 9 Technical data Resistance range Pt sensor temperature simulation Ni sensor temperature simulation Type of temperature sensors Resolution Pt temperature standards Ni temperature standards Maximal dissipation power Maximal current Maximal voltage Reaction time Terminals Interface Power supply Maximal power consumption Reference temperature Working temperature Storing temperature Housing Dimensions Weight Isolation resistance between output terminals and housing 1Q 1MQ SHORT OPEN terminals 200 000 C 850 000 C 328 F 1562 F 60 000 C 300 000 C 76 F 572 F Pt10 Pt20000 Ni10 Ni20000 from 0 01 mQ IEC 751 1 3850 for IPTS68 A 3 90802e 3 B 5 80195e 7 C 4 2735e 12 IEC 751 1 3851 for ITS90 A 3 9083e 3 B 5 775e 7 C 4 18301e 12 1 3916 A 3 9692e 3 B 5 8495e 7 C 4 2325e
59. rns response in above described format All commands must contain sign lt cr gt or lt lf gt at the end Both small and large letters can be used 61 Operation manual MEATEST M632 Precision Resistance Decade 6 12 Demo program A simple operating program DecadeAssistant is supplied with the decade in order to provide easy operation of the instrument from the computer and to check the RS 232 line IEEE488 bus of the instrument The installation CD ROM contains a program for MS WINDOWS only you can communicate with the instrument through standard serial line IEEE488 with For example you can set value or function on the decade For IEEE488 connection this Decade Assistant requires properly configured National Instruments IEEE488 card Download on www meatest com Operation manual 62 M632 Precision Resistance Decade MEATEST 7 Maintenance This chapter explains how to perform the routine maintenance to keep your device in optimal operating condition The tasks covered in this chapter include the following e Fuse replacing e External surface cleaning 7 1 Fuse replacing The instrument includes a fuse located in the mains connector at the rear panel Replace the fuse as follows e Switch off the decade box e Remove the end of power cord from the mains connector at the rear panel e Insert the blade of a flat screwdriver into the opening cut in the mains voltage selector and pull out the fuse holder e Rem
60. ropriate accuracy in 4 wire connection mode CALIBRATION Resistance siren ig Previous Noninal resistance 30 5 2 Requested accuracy 1 mi 30 511499 Q Figure 21 Calibration point screen e Using cursor keys A W lt gt adjust resistance value in M632 according to the ohm meter e Confirm new calibration value by pressing Save softkey e Repeat above described procedure for all resistance elements Operation manual 22 M632 Precision Resistance Decade MEATEST 5 Performance verification test Parameter verification procedure is described in the chapter Verification procedure is based on measuring resistance on the decade output terminals with standard multimeter in recommended points Required equippment e Ohm meter nominal accuracy 0 001 in range 1 Q to 1 2 MQ type Fluke 8508A or similar Decade setting Switch decade to the resistance function Connect standard multimeter to the decade output terminals Use four wire connection technique Procedure Use following procedure to perform parameter verification test 1 Switch both instruments on and let them for 1 hour stabilise in the laboratory with ambient temperature 23 3 C Connect resistance decade terminals R4W to the standard ohm meter multimeter 2 Case of decade should be grounded or connected to the Lo terminal of multimeter 3 Check resistance value in points according to Table I Maximal absolute deviations M632
61. st passed 1 test failed Remarks Sequential command Example TST Response 0 STB Syntax STB Description This query returns content of register STB which carries the MSS bit status Parameters lt DNPD gt Status byte register Range 0 255 Remarks Overlapped command Example STB Response 0 SRE Syntax SRE SRE Description This command allows set condition of the Service Request Enable register Since bit 6 is not used the maximum value is 191 Parameters lt DNPD gt Service Request Enable register Remarks Overlapped command Example SRE 2 SRE Response 2 35 Operation manual MEATEST M632 Precision Resistance Decade ESR Syntax ESR Description This query returns the contents of the Event Status Register and clears the register Parameters lt DNPD gt Event Status Register Remarks Overlapped command Example ESR Response 0 ESE Syntax ESE ESE Description This command programs the Event Status Enable register bits Parameters lt DNPD gt Event Status Enable register Range 0 255 Remarks Overlapped command Example ESE 2 ESE Response 2 CLS Syntax CLS Description This command clears all status data structures in the device i e Event Status Register Status Byte Register except the MAV bit Operation Status Register Questionable Status Register Also error queue is cleared Output queue is unaffected Parameters None Remarks Overlapped com
62. t EE 22 Figure 22 RS232 9 pin D SUB MALE connector ccc seececeeeccesseeeeceesceescceenceeestecceesaces 24 Figure 23 IBBE48S DEENEN eier 25 Figure 24 LAN connection Laca A 26 Fig re 25 LAN connection Lita Sa 26 SE USB E 27 Figure 27 Status register E sedate cde caabeaea elit engeaneeeniucuad natiee 31 Figure 28 Module 19 rack front panel ui cee sosaeceteacec ee loegsdearbdec ucts eeestvabecectoeeceseiae 63 Tables Table 1 M632 Calibration points un dd 21 Table 2 Verification allowed deviations s isssccccissed ccctes tege 23 Table 3 IRS 232 cable COMME CH dd 25 Table 4 OUTPut command structure spin 40 Table 5 Keyboard CU id 56 Table OSEP LEO CO AAA 59 Table 7 M632 RGSS ANCE E 65 Table 8 M632 Pt simulation Accu ey sascisede ciets sees seaeodlaadeeeseaucescutersecey eeconecaantesedanvaretaisenteas 65 Table 9 M632 Ni simulation accuracy egener Eege EE 65 Table 10 M632 Frequency TESIS a oes 65 Operation manual 4 M632 Precision Resistance Decade MEATEST 1 Basic information Programmable resistance decade M632 is suitable for automated simulation of different resistance sensors temperature pressure position force Internal design eliminates zero resistance effect which is typical for most resistance decades Resistance value is created via appropriate combination of physical resistors Decade is equipped with built in function of direct simulation of most frequent temperature Pt and Ni sensors Low thermal v
63. tance Decade Preset name table name is set using A XW character selection and gt position cursor keys Name may be 8 characters long at most Softkey A lt gt a switches between uppercase and lowercase of selected character Table name has to be set before proceeding to the next step using key Timing table a list of values in Q and their durations in seconds Browsing through the table is done by A V cursor keys Editing is done using these contextual softkeys Add create a new point TIMING EDIT Tine 0 020 s Anplitude MA Figure 16 Timing sequence point editing Time duration of selected resistance from 2 ms to 60 s Amplitude corresponding Q value Range is restricted to actual resistance range of the decade Edit edit selected point Delete delete selected point Save closes the table and saves current settings Cancel closes the table and does not save current settings Editing an existing table Existing table can be edited in the same way as it can be created Editable entries Preset name Timing table points are selected using the key TIMINGS Preset name TIMING A Timing table 100 00000 200 00000 2 300 00000 2 400 00000 2 Delete Figure 17 Timing sequence edit Operation manual 16 M632 Precision Resistance Decade MEATEST 4 4 Setting the value of output signal Edit mode Parameters of output signal can be changed in E
64. ter not allowed 109 Missing parameter 112 Program mnemonic too long 113 Undefined header 114 Header suffix out of range 120 Numeric data error 121 Invalid character in number 130 Suffix error 141 Invalid character data 144 Character data too long 151 Invalid string data 161 Invalid block data 203 Command protected 220 Parameter error 222 Data out of range 283 Illegal variable name 350 Queue overflow 400 Query error 410 Query INTERRUPTED 420 Query UNTERMINATED 430 Query DEADLOCKED 440 Query UNTERMINATED after indefinite response 514 Command not allowed with GPIB Table 6 SCPI error codes 59 Operation manual MEATEST M632 Precision Resistance Decade 6 11 Compatible Commands Decade box also responds to Old style command syntax to provide compatibility with previous decade box models Value setting reading A lt DNPD gt The command sets resistance value resistance function temperature value temperature sensor simulating function or User function value 1f User function is selected lt DNPD gt It represents resistance value in Ohm or simulated temperature in selected temperature unit or user defined units 1f User function is selected When temperature parameter is used both negative and positive values are acceptable For resistance parameter positive value only is acceptable Limit values are shown in
65. test meatest cz www meatest com Operation manual 66
66. tion This command validates entered password and enables calibration access 1f verification is successful Acces is invalidated after reset or if CAL SEC EXIT command is issued Calibration password can be changed from decade system menu SETUP gt Calibration gt Change password Parameters lt DNPD gt Range 0 4294967295 default 0 Remarks Overlapped command Example 37 Operation manual MEATEST M632 Precision Resistance Decade CAL SEC PASS 0 CALibration SECure EXIT Syntax CALibration SECure EXIT Description This command exits calibration mode and access Parameters None Remarks Overlapped command Example CAL SEC EXIT DISPlay ANNotation CLOCk DATE FORMat Syntax DISPlay ANNotation CLOCk DATE FORMat lt CPD gt DISPlay ANNotation CLOCk DATE FORMat Description This command sets format of date displayed on device screen Parameters lt CPD gt MDYSIMDYAIDMYSIDMYOIDMYAIYMDSIYMDO default MDYS MDYS M D Y format M month D day Y year MDYA M D Y format DMYS D M Y format DMYO D M Y format DMYA D M Y format YMDS Y M D format YMDO Y M D format Remarks Overlapped command Value is not affected by reset Example DISP ANN CLOC DATE FORM MDYS DISP ANN CLOC DATE FORM Response MDYS DISPlay ANNotation CLOCk STATe Syntax DISPlay ANNotation CLOCk STATe lt BOOL gt DISPlay ANNotation CLOCk STATe Description This command enables disables showing actual time in t
67. uring T can t be higher than max R1 R2 and can be lower than min R1 R2 VIA OPEN 2 steps switching method R1 is switched to OPEN and than to R2 Tis typically 1ms Operation manual 18 M632 Precision Resistance Decade MEATEST VIA SHORT 2 steps switching method R1 is switched to SHORT and than to R2 T is typically 1ms SHORT value is lower than min R1 R2 Platinum standard Platinum thermometers can be simulated according to the different standards Available standards are PT385 68 DIN standard EN60751 temperature scale IPTS68 A 3 90802e 3 B 5 80195e 7 C 4 2735e 12 PT385 90 DIN standard EN60751 temperature scale ITS90 A 3 9083e 3 B 5 775e 7 C 4 18301e 12 PT3916 Pt3916 temperature curve A 3 9692e 3 B 5 8495e 7 C 4 2325e 12 PT3926 Pt3926 temperature curve A 3 9848e 3 B 5 870e 7 C 4 0e 12 PT User user defined temperature curve A 3 9083e 3 B 5 775e 7 C 4 18301e 12 values can be changed Platinum user coefficients This menu permits A B and C coefficients definition of the PT User platinum standard see above Timings This menu permits definition of different time dependent resistance curves Each curve is defined by the Timing table Each row in the table contains information about resistance value and time for which is this value applied If the timing function is activated all rows are sequentially executed User can define more timing tables with different names Number
68. ximum current This section displays maximum allowed current for the main value D Softkey labels The functions of these keys change during operation depends on selected function and actual display mode 4 Softkeys There are four keys next to the display with variable function The functions of these keys change during operation depends on selected function and actual display mode 5 OPER Operate key OPER key connects disconnects selected value to the output terminals Connected output terminals are indicated by the lit LED in the key 6 SHORT Short key Active SHORT key LED in the key is ON replaces the main value with the short circuit Also the short circuit must be connected to the output terminals by the OPER key Operation manual 8 M632 Precision Resistance Decade MEATEST 7 Cursor keys Using these keys the cursor can be controlled within allowed limits on the display The keyboard includes two buttons lt 4 which allow the cursor to be set to the required position at the display The cursor can be moved to the left or right Numeric values can be set in some control modes as well In these cases the buttons marked A W allow the user to increase or decrease the number at the cursor position The central SELECT key is used to select value you want to change like TAB key 8 Numeric keyboard The keyboard allows the entry of numeric values on the display ENTER button is used to confirm the s

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