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DO6 Handbook

Jan 2006

49 of 107 pages

7.2 Controlling the instrument via the RS232 interface

7.2.1 Connector pin-out for the RS232 interface

Summary of Contents for DO6

Page 1: ...l Description of connector sockets 5 Operating instructions in brief 6 Operation Meaning of the individual display segments Setup menu Configuration menu Measurement menu Description of the individual...

Page 2: ...imer B receive timer 8 SCPI commands General information SCPI Registers ACCess Subsystem ACCess LEVel DISPlay Subsystem DISPlay CONTrast CALCulate Subsystem CALCulate LIMit STATe CALCulate LIMit RELai...

Page 3: ...icient USER CHANge SENSe FRESistance RESolution SENSe FRESistance MODE SENSe FRESistance TIME CONStant SENSe FRESistance RANGe SENSe FRESistance RANGe AUTo SENSe FRESistance RANGe UPPer SENSe FRESista...

Page 4: ...eter works on the basis of the proven 4 wire measurement method in which test lead resistances and contact resistances are eliminated The measurement technique also compensates automatically for any t...

Page 5: ...of protection 2 2 Using the instrument for the first time If condensation has formed on the instrument make sure that the instrument is completely dry including inside before switching it on Connect t...

Page 6: ...e shield must not be in contact with the connector shell if grounding of the sensor is unclear Otherwise currents circulating in a ground loop can cause measuring errors Only one device under test mus...

Page 7: ...DO6 Handbook Jan 2006 7 of 107 pages 2 5 Block diagram...

Page 8: ...t lamps dust oils organic solvents other aerosols severe vibrations or mechanical shocks In very dirty industrial environments it is recommended touse a suitable protective enclosure 2 7 Function test...

Page 9: ...be generated when the test current is disconnected Read the instructions in the Load selection section To avoid electric shock never open the case The instrument contains no components that can be ma...

Page 10: ...ent menu this button stops a measurement In the configuration menu this button is assigned different functions depending on the text shown on the display above the button soft key In the measurement m...

Page 11: ...s protected by a fuse 6 3 x 32 mm 10AFF Rear side of unit I is at FE potential Caution Only one measurement input must be used at any one time No leads must be plugged into the unused input for safety...

Page 12: ...ere is a ground connection at the temperature sensor measuring errors may result from circulating ground loop currents Connector shell is protective ground RS232 interface 1 NC 2 TXD 3 RXD 4 5 Digital...

Page 13: ...atic range 1 4 20 000 m 200 00 m 2 0000 20 000 200 00 2 0000 k 20 000 k 200 00 k The limitation of the autorange mode is only possible with the PC software With this limitation you get in the autorang...

Page 14: ...03 B 5 7750E 07 Lower temp 0 0 C Lower voltage 0 00 V Upper temp 100 0 C Upper voltage 10 00 V Temperature XX XX C The Pt100 coefficient you can only change with the PC software Display counts 21000 C...

Page 15: ...nly displayed when the computer is enabled When a measurement is in progress the measurement counter increments from 0 to 9 changing whenever a new measurement result is available Danger warnings and...

Page 16: ...ement menu NEXT switches to the measurement menu immediately Note If the buttons are a pressed simultaneously in this menu within the 3 seconds the service menu opens This menu is protected by a secre...

Page 17: ...tion bar ENTER to select and proceed to menu 10 170 and ESCAPE to return setting to original value The menu has a rolling display after 170 comes 10 If you are in the bottom line pressing displays the...

Page 18: ...measurement is in progress the measurement counter increments from 0 to 9 changing whenever a new measurement result is available Danger warnings and error messages flash The animation indicator flash...

Page 19: ...ected Selecting AUTOMATIC in conjunction with MAN ZERO is pointless because zeroing is only performed in one range in this case Automatic mode is not possible with time constant Z2 or Z3 This is becau...

Page 20: ...rner indicates that this is the last menu page 6 5 2 Limits The cursor sits over the first 0 Pressing increases or decreases the numerical value while moves the cursor one position to the right within...

Page 21: ...onstant Start with the longer time constant Z3 and select the next shorter time constant Z2 If the same measurement result is obtained you can then select the shorter time constant for all further mea...

Page 22: ...nnections on the device under test are loose The instrument is switched off during the measurement The poser fails during the measurement The test current changes for whatever reason A fuse blows An i...

Page 23: ...sidual voltage of about 3 V Even though particularly high power diodes are used sometimes there may be a problem at the end of the measurement when disconnecting if the device under test has a particu...

Page 24: ...ERO N 1 and subsequent digitizations about 210 ms each The settling time depends on the time constant Z selected For Z2 and Z3 the measuring range cannot be changed using the buttons while testing is...

Page 25: ...t is not obtained with N 1 For Z2 Z3 the measuring range cannot be changed while the measuring is in progress Pressing CHANGE displays the following screen The cursor sits over the first zero Pressing...

Page 26: ...not time critical Mean values of n values are displayed One digitization takes about 2 s Z1 N 1 While the measurement is in progress the animation indicator displayed on the lower left flashes at seco...

Page 27: ...g the measurement time constant Z1 Pressing CHANGE displays the following screen The cursor sits over the first zero Pressing increases or decreases the numerical value while moves the cursor one posi...

Page 28: ...ng range to measurement mode With manual zero suppression selected the display looks as follows TARE starts the zero offset process as normal The time starts running from when LOAD REM is pressed remo...

Page 29: ...he measured values The REL TIME is the time elapsed after pressing LOAD REM If you have selected PRINTER as the data output device you can now print out the table in full If you have selected PC as th...

Page 30: ...472 Where R T is the resistance measured at temperature T R T0 is the resistance value at the reference temperature T0 normally 20 C TC is the temperature coefficient in ppm K It is possible to enter...

Page 31: ...ctual measurement is performed n times with the measurement current switched on The connectors must be in thermal equilibrium for compensation of thermal EMFs to work perfectly If possible press STOP...

Page 32: ...GE button displays the following screen Pressing increases or decreases the numerical value while moves the cursor to the right Always enter a 2 digit number leading with zeros ENTER loads the selecte...

Page 33: ...2 up to no 7 inclusive Numbers from 00 to 15 are allowed 6 5 8 Comparator The following menu is displayed if the comparator is enabled Use to move the selection bar ENTER to select Static means that t...

Page 34: ...107 pages 6 5 9 Contrast The following screen is displayed after pressing the CHANGE button Pressing increases or decreases the numerical value while moves the cursor to the right Always enter a 2 dig...

Page 35: ...f PT 100 INDIV is selected the following screen is displayed for information The custom values to be entered only by PC interface are shown Permitted temperature range 0 C to 100 C The A B factors mea...

Page 36: ...increases or decreases the numerical value while moves the cursor to the right Always enter a 5 digit number leading with zeros Note permitted range 0 to 10 V Example A pyrometer outputs a voltage of...

Page 37: ...ressing increases or decreases the numerical value while moves the cursor to the right Always enter a 5 digit number leading with zeros 6 5 11 Use to move the selection bar ENTER to select Strictly sp...

Page 38: ...he control outputs is specified in the OUTPUTS line The screen above shows the status of the comparator The SET button can be used to set the level to ON 1 while RESET can set the level to OFF 0 Note...

Page 39: ...owing screen appears after selecting SUPPLY VOLTAGE TEST The following screen appears after a waiting period of 10 s Note If the current source test is without error and the device nevertheless works...

Page 40: ...after selecting CURRENT SOURCE TEST After selecting DISPLAY TEST all the characters on the display are run through from left to right This test is terminated automatically after about 35 s After selec...

Page 41: ...very valid measurement is sent to the printer Depending on the instrument setup a large amount of data can accrue so please set the instrument and printer to the largest possible common transmission r...

Page 42: ...l functions and settings of the instrument or whether his access options are limited On delivery access is enabled for all settings Pressing the ENTER button allows you to enter the password Use to in...

Page 43: ...ppears after selecting CHANGE ACCESS The current selection is highlighted Press to move the selection bar ENTER to select The following screen appears after selecting CHANGE PASSWORD Use to increase o...

Page 44: ...NTER to adopt the setting shown For ADDRESS and GROUP use the buttons to increase or decrease the numerical value Always enter a 2 digit number Values in the range 0 to 99 are possible Use to move the...

Page 45: ...the numerical value Always enter a 4 digit number Important note If the reference temperature does not equal 20 C CAL is displayed in the bottom status bar This temperature setting should not be chan...

Page 46: ...of 107 pages 6 5 17 reference length Use to move the selection bar ENTER to select The default length is 1m The following screen is displayed after pressing the CHANGE button Use to increase or decre...

Page 47: ...e limit values Make sure that the measuring ranges are always set in Ohm Important note if the reference length does not equal 1m The reference length is only taken into account and used for conversio...

Page 48: ...DO6 Handbook Jan 2006 48 of 107 pages 7 Controlling the instrument remotely 7 1 Controlling the instrument via the PLC interface...

Page 49: ...DO6 Handbook Jan 2006 49 of 107 pages 7 2 Controlling the instrument via the RS232 interface 7 2 1 Connector pin out for the RS232 interface...

Page 50: ...f secondary stations exist in a nonswitched multipoint connection and all commands are sent by a control station Only one transmitter master and one receiver slave are ever active on the bus at one ti...

Page 51: ...6 as slave so that it is then possible to send it commands The prefix calls up a single secondary station ENQ defines the end of the selection supervisory sequence The selection supervisory sequence o...

Page 52: ...station sends a polling supervisory sequence The polling supervisory sequence is used to retrieve requested data from the DO6 The prefix selects a single station ENQ defines the end of the polling su...

Page 53: ...ive new data it sends back NAK On receiving this the master station may either send other data or terminate the connection 7 2 9 Terminating a connection The master station sends EOT to indicate that...

Page 54: ...ng fast selection Controller sends EOT To make sure that all possible existing connections are terminated and the DO6 receive memory is cleared Controller sends 0000sr STX idn LF ETX Command sequence...

Page 55: ...data is being received in order to allow variable datablock lengths to be received Stop Timer B is stopped if a valid response ACK has been received Timeout If a timeout occurs the received data comm...

Page 56: ...DO6 Handbook Jan 2006 56 of 107 pages 8 2 SPCI registers...

Page 57: ...ystem ACCess LEVel DESCRIPTION Sets the access levels SYNTAX ACCess LEVel P1 Meaning of parameter Pn QUERY FORM ACCess LEVel RESPONSE A1 Meaning of response An NOTE Command not allowed in calibration...

Page 58: ...s LEVel DESCRIPTION Can be used to adjust the LCD contrast SYNTAX DISPlay CONTrast P1 Meaning of parameter Pn QUERY FORM DISPlay CONTrast RESPONSE A1 Meaning of response An NOTE Command not allowed in...

Page 59: ...it STATe DESCRIPTION Enables or disables the comparator function SYNTAX CALCulate LIMit STATe P1 Meaning of parameter Pn QUERY FORM CALCulate LIMit STATe RESPONSE A1 Meaning of response An NOTE Comman...

Page 60: ...FORM CALCulate LIMit RELais RESPONSE A1 Meaning of response An NOTE Command not allowed in calibration mode Command not allowed when measurement is running 8 5 3 CALCulate LIMit FAULt DESCRIPTION Sets...

Page 61: ...IMit RESet P1 Meaning of parameter Pn QUERY FORM CALCulate LIMit RESet RESPONSE A1 Meaning of response An NOTE Command not allowed in calibration mode Command not allowed when measurement is running 8...

Page 62: ...Sets the upper comparator limit This value is not adopted however until the CALCulate LIMit ACKNowledge command is received once the upper comparator limit has also been transferred using the CALCulat...

Page 63: ...LIMit UPPer upper comparator limit SYNTAX CALCulate LIMit ACKNowledge No parameter QUERY FORM Query form only RESPONSE A1 Meaning of response An NOTE Command not allowed in calibration mode Command n...

Page 64: ...ning 8 5 9 CALCulate MATH EXPRession DESCRIPTION Switches the measurement display between Ohm and Ohm m SYNTAX CALCulate MATH EXPRession P1 Meaning of parameter Pn QUERY FORM CALCulate CONTrol DATA RE...

Page 65: ..._PROG_OK Pin 4 D1 OUT_PROG_3 Pin 17 D2 OUT_PROG_2 Pin 16 D3 OUT_PROG_1 Pin 13 D4 OUT_PROG_0 Pin 11 D5 OUT_ _COMP Pin 10 D6 OUT_ _COMP Pin 12 D7 OUT_ _COMP Pin 14 D8 OUT_DANGER Pin 15 D9 OUT_MEAS_ERROR...

Page 66: ...e PLC inputs D0 IN_RESERVE_4 D1 IN_RESERVE_3 Pin 32 D2 IN_RESERVE_2 Pin 27 D3 IN_RESERVE_1 Pin 24 D4 IN_STASTOP_FOOT Pin 36 D5 IN_30A_BOOSTER D6 IN_PROG_3 Pin 31 D7 IN_PROG_2 Pin 30 D8 IN_PROG_1 Pin 2...

Page 67: ...rom the pyrometer SYNTAX SCALE VOLTage P1 P2 P3 P4 Meaning of parameter Pn Condition Lower voltage Upper voltage and lower temperature Upper temperature QUERY FORM SCALe VOLTage RESPONSE A1 A2 A3 A4 M...

Page 68: ...t100 coefficients for positive temperatures SYNTAX SCALE PT100 P1 P2 P3 Meaning of parameter Pn Equation Rt R0 1 a t b t QUERY FORM SCALe PT100 RESPONSE A1 A2 A3 Meaning of parameter An NOTE Command n...

Page 69: ...P1 Meaning of parameter Pn QUERY FORM HCOPy DESTination RESPONSE A1 Meaning of parameter An NOTE Command not allowed in calibration mode Command not allowed when measurement is running 8 9 CCURve Sub...

Page 70: ...PTION Sets the time interval between measurements delta time on the cooling SYNTAX CCURve TIME DELTa P1 Meaning of parameter Pn QUERY FORM CCURve TIME DELTa RESPONSE A1 Meaning of parameter An NOTE Co...

Page 71: ...mode Command not allowed when measurement is running 8 9 4 CCURve DATA DESCRIPTION Can be used to read the individual entries in the data logger SYNTAX CCURve DATA Meaning of parameter Pn QUERY FORM...

Page 72: ...URve INITiate DESCRIPTION Starts the cooling curve measurement SYNTAX CCURve INITiate No parameter QUERY FORM No query form NOTE Command not allowed in calibration mode Command not allowed when measur...

Page 73: ...E A1 Meaning of parameter An NOTE Command not allowed in calibration mode Command not allowed when measurement is running 8 11 TRIGger Subsystem 8 11 1 ABORT DESCRIPTION Stops a measurement that has b...

Page 74: ...e Command not allowed when measurement already started For speed reasons there is also a non SCPI compliant short form IN 8 11 3 TRACe DATA LENGth DESCRIPTION Switches between single and continuous me...

Page 75: ...ery form only RESPONSE A1 A2 Meaning of parameter An NOTE Command not allowed in calibration mode For speed reasons there is also a non SCPI compliant short form FE 8 12 SYSTem Subsystem 8 12 1 SYSTem...

Page 76: ...RY FORM SYSTem LANGuage RESPONSE A1 Meaning of parameter An NOTE Command not allowed in calibration mode Command not allowed when measurement is running 8 12 3 SYSTem PASSword DESCRIPTION Can be used...

Page 77: ...of 107 pages 8 12 4 SYSTem ERRor NEXT DESCRIPTION Can be used to query any errors that may have occurred in the instrument SYNTAX SYSTem ERRor NEXT No parameter QUERY FORM Query form only RESPONSE A1...

Page 78: ...register and the Questionable Status Enable register to 0 SYNTAX STATus PRESet No parameter QUERY FORM No query form 8 13 2 STATus OPERation ENABle DESCRIPTION Sets the Operational Status Enable regi...

Page 79: ...ing of parameter Pn QUERY FORM STATus QUEStionable ENABle RESPONSE A1 Meaning of parameter An 8 13 4 STATus OPERation CONDition DESCRIPTION Reads the Operation Status Condition register SYNTAX STATus...

Page 80: ...RM Query form only RESPONSE A1 Meaning of parameter An Note For speed reasons there is also a non SCPI compliant short form S Q C 8 13 6 STATus OPERation EVENt DESCRIPTION Reads the Operation Status E...

Page 81: ...tionable EVENt DESCRIPTION Reads the Questionable Status Event register SYNTAX STATus QUEStionable EVENt No parameter QUERY FORM Query form only RESPONSE A1 Meaning of parameter An Note For speed reas...

Page 82: ...nsate P1 Meaning of parameter Pn QUERY FORM SENSe TCOMpensate RESPONSE A1 A2 A3 A4 Meaning of parameter An NOTE Command not allowed in calibration mode Command not allowed when measurement is running...

Page 83: ...running 8 14 3 SENSe TCOMpensate TEMperature DESCRIPTION Sets the temperature for manual temperature compensation SYNTAX SENSe TCOMpensate TEMperature P1 Meaning of parameter Pn QUERY FORM SENSe TCOMp...

Page 84: ...of parameter Pn QUERY FORM SENSe TCOMpensate TEMperature RESPONSE A1 Meaning of parameter An NOTE Command not allowed in calibration mode Command not allowed when measurement is running Note The refe...

Page 85: ...emperature coefficient for the temperature compensation SYNTAX SENSe TCOMpensate TCOefficient SELect P1 Meaning of parameter Pn QUERY FORM SENSe TCOMpensate TCOefficient SELect RESPONSE A1 Meaning of...

Page 86: ...defined temperature coefficients SYNTAX SENSe TCOMpensate TCOefficient USER CHANge P1 P2 P3 Meaning of parameter Pn QUERY FORM SENSe TCOMpensate TCOefficient USER CHANge RESPONSE A1 A2 A3 Meaning of p...

Page 87: ...QUERY FORM SENSe FRESistance RESolution RESPONSE A1 Meaning of parameter An NOTE Command not allowed in calibration mode Command not allowed when measurement is running RESistance can also be used in...

Page 88: ...RESistance 8 14 9 SENSe FRESistance TIME CONStant DESCRIPTION Sets the load type of the device under test SYNTAX SENSe FRESistance TIME CONStant P1 Meaning of parameter Pn QUERY FORM SENSe FRESistance...

Page 89: ...SENSe FRESistance RANGe RESPONSE A1 Meaning of Response An NOTE Command not allowed in calibration mode RESistance can also be used instead of FRESistance 8 14 11 SENSe FRESistance RANGe AUTo DESCRIP...

Page 90: ...permitted measuring range for automatic range selection SYNTAX SENSe FRESistance RANGe UPPer P1 Meaning of parameter Pn QUERY FORM SENSe FRESistance RANGe UPPer RESPONSE A1 Meaning of parameter An NOT...

Page 91: ...Sistance RANGe LOWer P1 Meaning of parameter Pn QUERY FORM SENSe FRESistance RANGe LOWer RESPONSE A1 Meaning of parameter An NOTE Command not allowed in calibration mode Command not allowed when measu...

Page 92: ...ction SYNTAX SENSe FRESistance RANGe MANual P1 Meaning of parameter Pn QUERY FORM SENSe FRESistance RANGe MANual RESPONSE A1 Meaning of parameter An NOTE Command not allowed in calibration mode Comman...

Page 93: ...age COUNt RESPONSE A1 Meaning of parameter An NOTE Command not allowed in calibration mode Command not allowed when measurement is running 8 14 16 SENSe CORRection OFFset DESCRIPTION Start zero offset...

Page 94: ...1 Meaning of parameter Pn QUERY FORM SENSe CORRection OFFset STATe RESPONSE A1 Meaning of parameter An NOTE Command not allowed in calibration mode Command not allowed when measurement is running 8 15...

Page 95: ...e Status Byte register SYNTAX STB No parameter QUERY FORM Query form only RESPONSE A1 Meaning of parameter An 8 15 3 ESE command DESCRIPTION Sets the Standard Event Status Enable register SYNTAX ESE P...

Page 96: ...parameter An 8 15 5 OPC command DESCRIPTION Sets the device to the Operation Complete Active state OCAS SYNTAX OPC NOTE This command has no function on the DO6 No point to it on the serial port with A...

Page 97: ...s the device to handle all commands sequentially This command has no function on the DO6 because commands are always handled sequentially The command is merely recognised SYNTAX WAI No parameter QUERY...

Page 98: ...for device identification SYNTAX IDN No parameter QUERY FORM Query form only RESPONSE A1 A2 A3 A4 A5 A6 Meaning of response An 8 15 11 IDN command DESCRIPTION Can be used to select a measurement prog...

Page 99: ...2006 99 of 107 pages 8 16 Programming examples QBasic examples These two examples were written using Quick Basic and in both methods shown retrieve the info string 8 16 1 Communication using Selectio...

Page 100: ...DO6 Handbook Jan 2006 100 of 107 pages...

Page 101: ...DO6 Handbook Jan 2006 101 of 107 pages 8 16 2 Communication using Fast selection...

Page 102: ...DO6 Handbook Jan 2006 102 of 107 pages...

Page 103: ...ipping The warranty does not cover transportation damage caused by inadequate packaging if you have a problem with the instrument please attach a note to the instrument summarising the fault including...

Page 104: ...on Via keypad or interface Measuring error 0 03 of reading 3 digits Temperature sensitivity 50 ppm k Upper Range Test current Resolution 2 m 3 A 100 n 300 nV 150 A 20 m 1 A 1 1 V 50 A 200 m 100 mA 10...

Page 105: ...ation results PLC level and or relay 24 V 1 A Um PLC level Positive optionally negative Interface RS232 ANSI X328 2400 38000 baud SCPI Printer output RS232 measured value temp comparator evaluation Us...

Page 106: ...to read Adjust contrast via interface or manually Temperature range exceeded Set contrast initially to 50 Run instrument at correct temperature Measured values flickering Interface picked up by test l...

Page 107: ...on volatile data in the RAM has been lost Bit 1 set means that a new device software version has been found version number Bit 2 set means that the EEPROM has not been programmed yet or is faulty Bit...

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