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This command retrieves maximum number of timing sequences. This number represents
maximum index used in sequence commands.

Parameters:

<DNPD>

Integer value representing maximum sequence count

Remarks:

Overlapped command

Example:

TIM:PCO? Response: 64

[:SOURce]:TIMing:PRESet:NAME

Syntax:

[:SOURce]:TIMing:PRESet:NAME <SPD>
[:SOURce]:TIMing:PRESet:NAME?

Description:

This command allows reading and changing sequence name. Data will be saved to non-volatile
memory on TIM:PRES:SAVE command.

Parameters:

<SPD>

Quoted sequence name. Upper alpha, lower alpha, digits and spaces are
allowed. Maximum string size is 8 characters.

Remarks:

Overlapped command

Example:

TIM:PRES:NAME "TIME 1s"
TIM:PRES:NAME? Response: "TIME 1s"

[:SOURce]:TIMing:PRESet:PCLear

Syntax:

[:SOURce]:TIMing:PRESet:PCLear

Description:

This command clears existing sequence data including its timing table. Data will be saved to
non-volatile memory on TIM:PRES:SAVE command.

Parameters:

None

Remarks:

Overlapped command

Example:

TIM:PRES:PCL

Operation manual

Содержание MC642

Страница 1: ...MC642 Programmable Resistance Decade Operation manual ...

Страница 2: ......

Страница 3: ...RAMETER SETTINGS SETTINGS MENU 20 4 6 PRESET MENU 20 4 7 MAIN MENU 21 4 8 CALIBRATION MODE 23 5 PERFORMANCE VERIFICATION TEST 26 6 REMOTE CONTROL 27 6 1 RS232 INTERFACE 27 6 2 GPIB INTERFACE OPTION 28 6 3 LAN INTERFACE OPTION 29 6 4 USB INTERFACE OPTION 30 6 5 COMMAND SYNTAX 31 6 6 SCPI COMMAND TREE 32 6 7 STANDARD STATUS DATA STRUCTURES 34 6 8 SCPI STANDARD COMMANDS 36 6 9 SCPI COMMANDS 40 6 10 S...

Страница 4: ......

Страница 5: ...RE 12 USER FUNCTION EDIT 16 FIGURE 13 TIMING SCREEN 16 FIGURE 14 TIME SEQUENCE LIST 17 FIGURE 15 NEW SEQUENCE 17 FIGURE 16 TIMING SEQUENCE POINT EDITING 18 FIGURE 17 TIMING SEQUENCE EDIT 18 FIGURE 18 NUMERIC VALUE ENTRY 19 FIGURE 19 SETTINGS MENU 20 FIGURE 20 PRESET MENU 20 FIGURE 21 MAIN MENU 21 FIGURE 22 PASSWORD ENTRY 23 FIGURE 23 CALIBRATION POINT SCREEN 25 FIGURE 24 RS232 9 PIN D SUB MALE CON...

Страница 6: ... TABLE 2 VERIFICATION ALLOWED DEVIATIONS 26 TABLE 3 RS232 CABLE CONNECTION 28 TABLE 4 OUTPUT COMMAND STRUCTURE 43 TABLE 5 KEYBOARD CODES 62 TABLE 6 SCPI ERROR CODES 65 TABLE 7 MC642 RESISTANCE ACCURACY 71 TABLE 8 MC642 PT SIMULATION ACCURACY 71 TABLE 9 MC642 NI SIMULATION ACCURACY 71 TABLE 10 MC642 FREQUENCY RESPONSE 71 ...

Страница 7: ...Instrument is especially suitable for automatic testing procedures RS232 line optionally IEEE488 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 MC642 RS232 cable CD with demo program User s manual Test report The instrument must ...

Страница 8: ...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 ...

Страница 9: ...e 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 ground 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 Figure 3 Display 9 Operation manual A B1 C1 B1 C2 B1 C3 D1 B1 D2 D3 B1 D4 B1 B2 B1 B1 B1 ...

Страница 10: ... 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 2 Maximum voltage This section displays maximum allowed voltage for the main value 3 Maximum current This section displays maximum allowed current for the main value D Soft key labels The functions of these keys change dur...

Страница 11: ... 8 Numeric keyboard The keyboard allows the entry of numeric values on the display ENTER button is used to confirm the selection 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 displayed value is measured by the instrument This color isn t used in all versions Blue color parameters or values which can be set up ...

Страница 12: ... 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 soft key New function is selected using cursor keys or display soft...

Страница 13: ...0 value 10 Ω 20 kΩ Temperature standard PT385 68 PT385 90 PT3916 PT3926 PT User Switching mode FAST SMOOTH VIA OPEN VIA SHORT Nickel Offers direct setting of temperature of simulated nickel thermometer Figure 7 Nickel screen Editable parameters Temperature 60 C 300 C 76 F 572 F R0 value 10 Ω 20 kΩ Switching mode FAST SMOOTH VIA OPEN VIA SHORT 13 Operation manual ...

Страница 14: ...editable Maximum number of tables is 64 with each table having up to 100 values Tables can be defined via remote control as well Manual table setup can be done in Menu Device User function curve Figure 9 User function list Menu shows a list of all previously defined tables curves Curve names can be customized soft keys on the right hand side of the panel have these functions Edit edit selected cur...

Страница 15: ...er function using values in Ω Table must contain at least two user function value Ω 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 cursor keys Editing is done using these contextual soft keys Add create a new point Figure 11 User function point editing Value user func...

Страница 16: ...ure 13 Timing screen Editable parameters Timing table table defined by the user Switching mode FAST SMOOTH VIA OPEN VIA SHORT Sequence is defined by table of time intervals and corresponding resistance values all of which can be edited Maximum number of tables is 64 with each table having up to 100 time intervals Sequence is started by pressing OPER button or sending OUTP ON command via remote con...

Страница 17: ...will appear before final clearance of the sequence Exit close the sequence list and return previous menu Creating a new table Pressing the Edit soft key upon plain sequence opens this submenu Figure 15 New sequence Timing table table name is set using character selection and position cursor keys Name may be 8 characters long at most soft key A a switches between uppercase and lowercase of selected...

Страница 18: ...is given by the actual resistance range of the decade Edit show the Timing edit panel for selected point to allow editing Delete delete selected point Cancel deactivate the Lookup Table and allow for curve saving 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 ca...

Страница 19: ... is the name of edited parameter Using soft keys you can enter the new value in different units Figure 18 Numeric value entry Enter desired value After the entry is complete press soft key with requested unit or press ENTER key ENTER key inputs the value in basic units Ω C Instrument sets the new value The value is copied to the appropriate field in the screen and the input box disappears Entry of...

Страница 20: ...o press Cancel first Figure 20 Preset menu Presets contain all settings that normally disappear on restart This includes function parameters for all functions see previous chapter selected function and the main value Presets doesn t contain system interface or calibration data as well as output state short state timing tables and user function tables Up to a 100 presets can be stored including a s...

Страница 21: ...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...

Страница 22: ...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 of sequences is limited to 64 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...

Страница 23: ...de 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 Figure 22 Password entry Recalibration procedure consists of m...

Страница 24: ...k 100 m R16 4 4 k 250 m R17 8 7 k 500 m R18 17 k 1 R19 33 3 k 5 R20 66 k 10 R21 130 k 20 R22 258 k 40 R23 506 k 80 R24 1 M 200 R25 2 M 400 R26 3 99 M 1 k R27 7 8 M 5 k R28 15 M 50 k R29 30 M 200 k R30 60 M 500 k R31 120 M 1 M R32 3 55 k 80 m R33 7 39 k 100 m R34 16 4 k 200 m R35 33 8 k 500 m R36 72 2 k 1 R37 147 k 4 R38 300 k 10 R39 600 k 20 R40 1 23 M 40 R41 2 48 M 80 R42 5 M 160 R43 10 M 320 Tab...

Страница 25: ...e of the selected element Use ohm meter with appropriate accuracy in 4 wire connection mode Figure 23 Calibration point screen Using cursor keys adjust resistance value in MC642 according to the ohm meter Confirm new calibration value by pressing Save soft key Repeat above described procedure for all resistance elements Change password In this menu you can change the password of the calibration mo...

Страница 26: ...m parameter verification test 1 Switch both instruments on and let them for 1 hour stabilize 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 MC642 Nominal ...

Страница 27: ...de automatically by opening the GPIB interface and therefore these commands are not intended for this interface 6 1 RS232 Interface The decade box can be controlled via standard RS232 interface Following equipment is required MC642 decade box Personal Computer or other controlling device with RS232 port USB to RS232 converter is also possible 9 pin D SUB 3 wire direct 1 1 male female RS232 cable T...

Страница 28: ...e is only one GPIB setting accessible from the decade system menu under SETUP 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...

Страница 29: ...001 100 only valid if DHCP is OFF Subnet mask255 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 MC642_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 numbe...

Страница 30: ...B setting in the decade Decade box is equipped with USB type B connector Pin Label Description 1 5V Power supply 2 DATA Data signal 3 DATA Data signal 4 GND Ground Figure 28 USB connector Communication from user control program is performed via standard RS232 interface Following settings should be set on your PC for proper operation Baud rate 9600 Bd Data bits 8 Stop bits 1 Parity None Also proper...

Страница 31: ...s terminator Without terminator the program line is not executed Description of abbreviations DNPD Decimal Numeric Program Data this format is used to express decimal number with or without the exponent CPD Character Program Data Usually it represents a group of alternative character parameters E g SERial GPIB USB LAN SPD String Program Data quoted string This type of parameter is similar to CPD b...

Страница 32: ...sch FRENch RUSSian SPANish CZECh OUTPut SHORt ON OFF 1 0 STATe ON OFF 1 0 SWITching FAST SMOoth OPEN SHORt SOURce NICKel AMPLitude DNPD CEL FAR K ZRESistance DNPD OHM PLATinum AMPLitude DNPD CEL FAR K COEFficient DNPD DNPD DNPD STANdard PT385A PT385B PT3916 PT3926 USER ZRESistance DNPD OHM RESistance AMPLitude DNPD OHM TIMing PCOunt DNPD PRESet NAME SPD PCLear RAPPend SPD RCOunt DNPD ROW IND_ROW A...

Страница 33: ...NPD SYSTem BEEPer STATe ON OFF 1 0 VOLume DNPD COMMunicate BUS SERial GPIB USB LAN GPIB ADDRess DNPD LAN ADDRess CPD MASK CPD GATE CPD PORT DNPD HOST CPD DHCP ON OFF 1 0 RESTart SERial BAUD 1200 2400 4800 9600 19200 38400 57600 115200 DATE DNPD DNPD DNPD ERRor NEXT CPD KEY DNPD LOCal PRESet REMote RWLock TIME DNPD DNPD DNPD VERSion CPD UNIT TEMPerature CEL FAR K CLS ESE ESR IDN OPC OPT RST SRE STB...

Страница 34: ...et with parameters STB SRE SRE ESR ESE ESE a CLS Figure 29 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 STB Status Byte Register STB is main register where information from other status registers and from output queue is collected Value...

Страница 35: ...cept 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...

Страница 36: ...d 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 error 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 Comma...

Страница 37: ...1 Remarks Sequential command Example OPC Response 1 OPT Syntax OPT Description This command return the instrument s hardware fitment The only parameter returns presence of GPIB LAN USB interface Parameters DNPD 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...

Страница 38: ...d 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 DNPD 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 ...

Страница 39: ...Enable register bits Parameters DNPD 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 Pa...

Страница 40: ...cted resistance etalon see table Calibration points MC642 Remarks This command requires Calibration access Overlapped command Value is not affected by reset or by RST command Example CAL RES AMPL 1 944 CAL RES AMPL Response 1 944000E 00 CALibration RESistance SELect Syntax CALibration RESistance SELect DNPD CALibration RESistance SELect Description This command enters calibration mode and selects ...

Страница 41: ... 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 CPD DISPlay ANNotation CLOCk DATE FORMat Description This command sets format of date displayed on device screen Parameters CPD MDYS MDYA DMYS DMYO DMYA YMDS YMDO default MDYS MDYS M D Y format M...

Страница 42: ... brightness of device display Parameters DNPD Range 0 0 1 0 default 1 0 0 0 Min 1 0 Max brightness Remarks Overlapped command Value is not affected by reset or by RST command Example DISP BRIG 1 0 DISP BRIG Response 1 000000E 00 DISPlay LANGuage Syntax DISPlay LANGuage CPD DISPlay LANGuage Description This command sets language that is used on device display Parameters CPD ENGLish DEUTsch FRENch R...

Страница 43: ... ON OUTP ON OUTP SHOR Response 1 OUTPut STATe Syntax OUTPut STATe BOOL 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 BOOL ON OFF 1 0 default 0 ON output terminals are switched on ...

Страница 44: ...s set Remarks Overlapped command Value is set according to Startup preset on restart and to default on RST command Example OUTP SWIT FAST OUTP SWIT Response FAST SOURce NICKel AMPLitude Syntax SOURce NICKel AMPLitude DNPD UNIT SOURce NICKel AMPLitude Description This command sets temperature in Nickel mode Node SOUR NICK also selects NICKEL function if not already selected If unit parameter is par...

Страница 45: ...value is 100 0 C UNIT CEL FAR K CEL degrees of Celsius FAR degrees of Fahrenheit K Kelvin Remarks Overlapped command Value is set according to Startup preset on restart and to default on RST command Example PLAT 100 0 PLAT Response 1 000000E 02 CEL SOURce PLATinum COEFficient Syntax SOURce PLATinum COEFficient DNPD DNPD DNPD SOURce PLATinum COEFficient Description This command allows to define Coe...

Страница 46: ...m function Parameters DNPD Range 10 0 20000 0 default 100 0 UNIT OHM OHM Remarks Overlapped command Value is set according to Startup preset on restart and to default on RST command Example PLAT ZRES 100 0 PLAT ZRES Response 1 000000E 02 OHM SOURce RESistance AMPLitude Syntax SOURce RESistance AMPLitude DNPD UNIT SOURce RESistance AMPLitude Description This command sets amplitude in Resistance mod...

Страница 47: ...quence name Data will be saved to non volatile memory on TIM PRES SAVE command Parameters SPD Quoted sequence name Upper alpha lower alpha digits and spaces are allowed Maximum string size is 8 characters Remarks Overlapped command Example TIM PRES NAME TIME 1s TIM PRES NAME Response TIME 1s SOURce TIMing PRESet PCLear Syntax SOURce TIMing PRESet PCLear Description This command clears existing seq...

Страница 48: ... in timing table Parameters DNPD Integer value representing number of records Remarks Overlapped command Example TIM PRES RCO Response 6 SOURce TIMing PRESet ROW IND_ROW AMPLitude Syntax SOURce TIMing PRESet ROW IND_ROW AMPLitude SPD SOURce TIMing PRESet ROW IND_ROW AMPLitude Description This command sets retrieves selected row in timing table Data will be saved to non volatile memory on TIM PRES ...

Страница 49: ...ges will disappear on restart function change or selection of another sequence Parameters None Remarks Overlapped command Example TIM PRES SAVE SOURce TIMing SELect Syntax SOURce TIMing SELect DNPD SOURce TIMing SELect Description This command selects timing sequence Selected sequence is shown on device display can be executed using OUTP ON command and can be edited using SOUR TIM PRES group of co...

Страница 50: ...FUNction CURVe SELect Description This command selects conversion curve Selected curve is activated on device display and can be edited using SOUR UFUN CURV PRES group of commands Parameters DNPD Range 1 64 Maximum curve count default 1 one based index of curve Remarks Overlapped command Value is set according to Startup preset on restart and to default on RST command Example UFUN CURV SEL 1 UFUN ...

Страница 51: ...et PCLear Description This command deletes existing curve including its lookup table Data will be saved to non volatile memory on UFUN CURV PRES SAVE command Parameters None Remarks Overlapped command Example UFUN CURV PRES PCL SOURce UFUNction CURVe PRESet RAPPend Syntax SOURce UFUNction CURVe PRESet RAPPend SPD Description This command appends new record at the end of lookup table Data will be s...

Страница 52: ...ory on UFUN CURV PRES SAVE command Parameters IND_ROW Range 1 Row count 1 if omitted SPD 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 PRES ROW1 AMPL 10 6 220 0 UFUN CURV PRES ROW1 AMPL Response 1 06...

Страница 53: ... Parameters SPD Quoted user function unit Upper alpha lower alpha digits and spaces are allowable Maximum string size is 2 characters Remarks Overlapped command Example UFUN CURV PRES UNIT N UFUN CURV PRES UNIT Response N STATus OPERation CONDition Syntax STATus OPERation CONDition Description This query returns the content of Operational Condition register It is a decimal value which corresponds ...

Страница 54: ...egister is cleared after this query Parameters DNPD Operational Data Event register Remarks Overlapped command Example STAT OPER Response 0 STATus OPERation NTRansition Syntax STATus OPERation NTRansition DNPD 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 t...

Страница 55: ...ntax STATus QUEStionable CONDition Description 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 DNPD ...

Страница 56: ...onding bit of the associated condition register to cause a 1 to be written in the associated bit of the corresponding event register Parameters DNPD 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 DNPD STATus QUEStionable PTRansition Description...

Страница 57: ... Description This command sets the system device beeper volume Parameters DNPD Range 0 0 1 0 Max volume default 0 2 Remarks Overlapped command Value is not affected by reset or by RST command Example SYST BEEP VOL 0 2 SYST BEEP VOL Response 2 000000E 01 SYSTem COMMunicate BUS Syntax SYSTem COMMunicate BUS CPD SYSTem COMMunicate BUS Description This command selects communication interface Parameter...

Страница 58: ...t see SYST COMM REST command Parameters CPD Range 000 000 000 000 255 255 255 255 default 192 168 001 100 Remarks Overlapped command Value is not affected by reset or by RST command 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 CPD SYSTem COMMunicate LAN MASK Description This command allows to c...

Страница 59: ...ows to change port number Interface must be restarted to take effect see SYST COMM REST command Parameters DNPD Range 0 9999 default 23 Remarks Overlapped command Value is not affected by reset or by RST command Example SYST COMM LAN PORT 23 SYST COMM LAN PORT Response 23 SYSTem COMMunicate LAN HOST Syntax SYSTem COMMunicate LAN HOST CPD SYSTem COMMunicate LAN HOST Description This command allows ...

Страница 60: ... 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 CPD SYSTem COMMunicate SERial BAUD Description This command allows changing RS232 transfer rate Parameters CPD 1200 2400 4800 9600 19200 38400 57600 115200 def...

Страница 61: ...T 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 DNPD Error code SPD Quoted error message Remarks Overlapped command Examp...

Страница 62: ...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 2 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 Parameters DNPD Key code For particular key codes see table above Remarks Overlapped command Example SYST KEY 1...

Страница 63: ... 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 This com...

Страница 64: ...implemented SCPI language Parameters CPD SCPI language version Remarks Overlapped command Example SYST VERS Response 1999 0 UNIT TEMPerature Syntax UNIT TEMPerature CPD UNIT TEMPerature Description This function allows to set unit for all temperature functions Platinum Nickel Parameters CPD CEL FAR K default CEL CEL degrees of Celsius FAR degrees of Fahrenheit K Kelvin Remarks Overlapped command V...

Страница 65: ...onic 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 UNT...

Страница 66: ...set resistance temperature 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 cr lf Positive numbers are sent without polarity sign Example Command A123 564 cr sets temperature 123 564 C when in temperature function 123 564 when in resistance function On A cr query decade returns response in format 123 564 cr lf Decade function ...

Страница 67: ...r query R cr decade returns string 100 cr lf Temperature unit setting U CPD 0 1 2 Command sets used temperature unit 0 sets degree Celsius C 1 sets degree Fahrenheit F 2 sets Kelvin unit K MC642 confirms execution with string Ok cr lf Example U0 cr sets C as temperature unit Status reading V MC642 returns device status in form FxUx cr lf On positions of signs x there are values corresponding to th...

Страница 68: ... 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 DecadeAssistant requires properly configured National Instruments IEEE488 card Download on www powertekuk com 68 Operation manual ...

Страница 69: ... connector at the rear panel Insert the blade of a flat screwdriver into the opening cut in the mains voltage selector and pull out the fuse holder Remove 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...

Страница 70: ...ximum voltage 200 Vpk Reaction time 6 ms Terminals instrument terminals diameter 4mm gold plated Interface RS232 optionally IEEE488 USB Ethernet Power supply 115 230 Vac 45 65 Hz Maximum power consumption 15 VA Reference temperature 20 C 26 C Working temperature 5 C 40 C Storing temperature 10 C 50 C Housing metal sheet Dimensions W 390 mm H 128 mm D 310 mm Weight 4 5 kg Languages English German F...

Страница 71: ...C642 Ni simulation accuracy Temperature range Ni10 Ni99 Ni100 Ni20000 60 000 300 00 C 0 4 C 0 1 C Table 9 MC642 Ni simulation accuracy MC642 Frequency response R Max AC DC difference 100 Hz 1 kHz 10 kHz 100 m 0 05 0 20 5 00 1 0 02 0 10 0 50 10 0 01 0 02 0 10 100 0 01 0 10 0 60 1 k 0 06 0 60 6 00 10 k 0 60 6 00 100 k 6 00 Table 10 MC642 Frequency response Temperature coefficient Temperature coeffic...

Страница 72: ...72 Operation manual ...

Страница 73: ...Bus MC642 V1xxx RS232 MC642 V2xxx RS232 LAN USB IEEE488 Housing MC642 Vxx0x table version MC642 Vxx1x module 19 3HE Example of order MC642 V2010 Programmable Resistance Decade 100m 20M RS232 LAN USB IEEE488 19 rack 73 Operation manual ...

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