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M631 Precision RTD Simulator

MEATEST

5

Operation manual

1.

Basic information

Precision RTD Simulator M631 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. RTD simulator is

equipped  with  built-in  function  of  direct  simulation  of  most  frequent  temperature  Pt  and  Ni  sensors.
Low thermal voltage relays and stable resistors are used as main parts of the RTD Simulator. Actual
set  values  are  displayed  high  resolution  TFT  display. M631  is sophisticated  instrument  with its  own
re-calibration  procedure.  The  procedure  enables  to  correct  any  deviation  in  resistance  without  any
mechanical adjustment.

Instrument is especially suitable for automatic testing procedures. RS232 line (optionally

IEEE488, USB and Ethernet bus) is used for connecting RTD simulator to the computer.

2.

Preparation for use

2.1.

Inspecting package contents, selecting the installation location

Basic package includes the following items:



RTD Simulator M631



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



Before connecting the instrument to the mains, check the position of the mains voltage selector
located at the rear panel.



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.



Switch on the mains switch located at the rear panel. Display is lit.

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Summary of Contents for M631

Page 1: ...M631 Precision RTD Simulator Operation manual ...

Page 2: ......

Page 3: ...NAL 17 4 5 PARAMETER SETTINGS SETTINGS MENU 18 4 6 PRESET MENU 18 4 7 MAIN MENU 19 4 8 CALIBRATION MODE 21 5 PERFORMANCE VERIFICATION TEST 24 6 REMOTE CONTROL 25 6 1 RS232 INTERFACE 25 6 2 GPIB INTERFACE OPTION 26 6 3 LAN INTERFACE OPTION 27 6 4 USB INTERFACE OPTION 28 6 5 COMMAND SYNTAX 29 6 6 SCPI COMMAND TREE 30 6 7 STANDARD STATUS DATA STRUCTURES 32 6 8 SCPI STANDARD COMMANDS 34 6 9 SCPI COMMA...

Page 4: ... 18 Numeric value entry 17 Figure 19 Settings menu 18 Figure 20 Preset menu 18 Figure 21 Main menu 19 Figure 22 Password entry 21 Figure 23 Calibration point screen 23 Figure 24 RS232 9 pin D SUB MALE connector 25 Figure 25 IEEE488 connector 26 Figure 26 LAN connection 1 27 Figure 27 LAN connection 2 27 Figure 28 USB connector 28 Figure 29 Status register overview 32 Figure 30 Module 19 rack front...

Page 5: ...ance without any mechanical adjustment Instrument is especially suitable for automatic testing procedures RS232 line optionally IEEE488 USB and Ethernet bus is used for connecting RTD simulator to the computer 2 Preparation for use 2 1 Inspecting package contents selecting the installation location Basic package includes the following items RTD Simulator M631 RS232 cable CD with demo program User ...

Page 6: ...rument 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 construct...

Page 7: ...ls 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 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 A B1 C1 B1 C2 B1 C3 D1 B1 D2 D3 B1 ...

Page 8: ...layed 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 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 Softkey labels ...

Page 9: ...t 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 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 pa...

Page 10: ...o 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 sel...

Page 11: ... Temperature 200 C 850 C 328 F 1562 F R0 value 100 Ω 1 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 100 Ω 1 kΩ Switching mode FAST SMOOTH VIA OPEN VIA SHORT ...

Page 12: ...lues This table is called Curve and is 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 Softkeys on the right hand side of the panel have ...

Page 13: ...p table a place where you define user 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 simulator Browsing through the table is done by cursor keys Editing is done using these contextual softkeys Add create a new point Figure 11 User f...

Page 14: ...le User can define more time curves Figure 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...

Page 15: ...t to default plain state Message prompt will appear before final clearance of the sequence Exit close the sequence list and return previous menu Creating a new table Pressing the Edit softkey upon plain sequence opens this submenu Figure 15 New sequence Preset name table name is set using character selection and position cursor keys Name may be 8 characters long at most Softkey A a switches betwee...

Page 16: ... Resistance corresponding Ω value Range is given by the actual resistance range of the simulator 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 t...

Page 17: ...played 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 Figure 18 Numeric value entry Enter desired value After the entry is complete press softkey 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...

Page 18: ...ode so when in editing mode you have to 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 1...

Page 19: ...onal 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 switc...

Page 20: ... Timing table Each row in the table contains information about resistance value and duration 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 of sequences is limited to 64 User function curve This menu permits definition of different conversion curves Each curve is defined by the Lo...

Page 21: ... 255 255 only valid if DHCP is OFF Port number 23 Host name M631_SN620031 only valid if DHCP is ON 4 8 Calibration mode In this mode resistance elements of the RTD simulator 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 calibrati...

Page 22: ...Nominal value Requested Accuracy R1 30 5 1 m R2 60 4 1 m R3 120 2 m R4 237 3 m R5 464 6 m R6 909 15 m R7 1 78 k 30 m R8 3 48 k 100 m R9 6 87 k 250 m R10 13 5 k 500 m R11 26 6 k 1 R12 52 2 k 5 R13 103 k 10 R14 202 k 20 R15 396 k 40 R16 778 k 80 R17 1 54 M 200 R18 3 03 M 400 R19 6 0 M 1 k R20 12 M 5 k R21 23 M 50 k R22 48 M 200 k R23 100 M 500 k R24 200 M 1 M Table 1 M631 Calibration points ...

Page 23: ...ext to select the element Measure resistance 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 M631 according to the ohm meter Confirm new calibration value by pressing Save softkey Repeat above described procedure for all resistance elements Change password In this menu you can ...

Page 24: ... 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 o C Connect simulator terminals R4W to the standard ohm meter multimeter 2 Case of the simulator should be grounded or connected to the Lo terminal of multimeter 3...

Page 25: ... 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 this interface 6 1 RS232 Interface The simulator can be controlled via standard RS232 interface Following equipment is required M631 RTD simulator Personal Computer or other controlling device with RS232 port USB to RS232 conve...

Page 26: ...lator system menu to be in operation SETUP Interface Active bus There is only one GPIB setting accessible from the simulator 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 s...

Page 27: ...fault ones DHCP ON IP Address 192 168 001 100 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 M631_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...

Page 28: ...P Interface Active bus There is no USB setting in the simulator Simulator 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 Baudrate 9600 Bd Data bits...

Page 29: ...e line of the program after it receives 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...

Page 30: ...OFF 1 0 BRIGhtness DNPD LANGuage ENGLish DEUTsch 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...

Page 31: ...DNPD EVENt DNPD NTRansition DNPD PTRansition DNPD 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...

Page 32: ... 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 Figure 29 Status register overview ...

Page 33: ...e 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 regist...

Page 34: ...SB status register Setting of any unmask bit 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 use...

Page 35: ...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 simulator are complete Parameters DNPD always returns 1 Remarks Sequential command Example OPC Response 1 OPT Syntax OPT Description This command return the instrument s ha...

Page 36: ... to its initial factory set state This state may be different from the Startup preset Parameters None Remarks Sequential command Example RST TST Syntax TST Description This command launches internal self test and returns result Parameters DNPD 0 test passed 1 test failed Remarks Sequential command Example TST Response 0 STB Syntax STB Description This query returns content of register STB which ca...

Page 37: ...register Parameters DNPD 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 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 S...

Page 38: ...lt values varies in accordance to selected resistance etalon see table Calibration points M631 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...

Page 39: ...ure 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 CPD DISPlay ANNotation CLOCk DATE FORMat Description This command sets format of date displayed on device screen Parameters CPD MDYS MDYA DMYS DMYO DMYA YMD...

Page 40: ...IGhtness Description This command sets 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 P...

Page 41: ...t and on RST command Example OUTP SHOR 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 ...

Page 42: ...n is activated before new resistance is 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 alr...

Page 43: ...eters DNPD temperature at Platinum function Default 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 COEFf...

Page 44: ...ion This command sets resistance at 0 C for Platinum function Parameters DNPD Range 100 0 1000 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 Descri...

Page 45: ...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 Descri...

Page 46: ...mands returns actual number of records 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 sav...

Page 47: ...equence to non volatile memory Unsaved changes 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 ca...

Page 48: ...SOURce UFUNction CURVe SELect DNPD SOURce UFUNction 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 Maximum curve count 64 one based index of curve Remarks Overlapped command Value is set according to Startup preset on restart and to default on RST comm...

Page 49: ...ear Syntax SOURce UFUNction CURVe PRESet 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 ...

Page 50: ...Data will be saved to non volatile memory 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 ...

Page 51: ... memory on UFUN CURV PRES SAVE command 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...

Page 52: ...sum of all bits set in the register Register 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 command allows set Operation Negative Transition Register It is a decimal value which corresponds to the bi...

Page 53: ...0E 00 STATus QUEStionable CONDition Syntax 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 t...

Page 54: ...use a 1 to 0 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 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 STATu...

Page 55: ...EEPer VOLume DNPD SYSTem BEEPer VOLume 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 sel...

Page 56: ...erface must be restarted to take effect 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 MAS...

Page 57: ...e LAN PORT Description This command allows 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 LA...

Page 58: ...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 CPD SYSTem COMMunicate SERial BAUD Description This command allows changing RS232 transfer rate Parameters ...

Page 59: ...12 31 SYST DATE Response 2012 12 31 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 DNPD Error code SPD Q...

Page 60: ...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 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...

Page 61: ...art 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 Syn...

Page 62: ...ption This query retrieves version of 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...

Page 63: ...d 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 e...

Page 64: ...umber 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 simulator returns response in format 123 564 cr lf RTD simulator function setting F CPD 0 1 2 3 4 5 6 7 S O Following function can be set 0 r...

Page 65: ...x there are values corresponding to the actual status of the simulator Example After query V cr the simulator returns for example string F2U0 cr lf which means Pt 90 C actual setting Correctly executed command is confirmed with string Ok cr lf When correct query is received M631 returns response in above described format All commands must contain sign cr or lf at the end Both small and large lette...

Page 66: ...he end of power cord from the mains 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 wa...

Page 67: ...on power 0 25 W Maximal current 0 5 A Maximal 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 Maximal 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 ...

Page 68: ... 0 0 005 3001 10000 0 015 10 01 k 30 00 k 0 03 30 1 k 100 0 k 0 1 101 k 400 k 0 4 Table 7 M631 Resistance accuracy M631 Pt simulation accuracy Temperature Accuracy Pt100 Pt500 Accuracy Pt501 Pt1000 200 000 0 000 C 0 01 C 0 01 C 0 001 200 000 C 0 015 C 0 02 C 200 001 500 000 C 0 03 C 0 04 C 500 001 850 000 C 0 04 C 0 1 C Table 8 M631 Pt simulation accuracy M631 Ni simulation accuracy Temperature Ac...

Page 69: ...G Maximal allowed voltage is 200 Vpk Note Resistance values in range 16 400 k are calibrated absolutely Resistance value is not defined against SHORT position Short and Open positions are intended for functional checking of tested instrument only 10 Ordering information options Bus M631 V1xxx RS232 M631 V2xxx RS232 LAN USB IEEE488 Housing M631 Vxx0x table version M631 Vxx1x module 19 3HE Example o...

Page 70: ...619 00 Brno Czech Republic declares that its product conforms to following specifications Safety requirements EN 61010 1 ed 2 2010 A1 2016 COR1 2019 03 Electromagnetic compatibility EN 61000 part 3 2 ed 5 2019 EN 61000 part 3 3 ed 3 2014 EN 61000 part 4 2 ed 2 2009 EN 61000 part 4 3 ed 3 2006 A1 2008 A2 2011 Z1 2010 EN 61000 part 4 4 ed 3 2013 EN 61000 part 4 5 ed 3 2015 A1 2018 EN 61000 part 4 6 ...

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