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Isotech TTI 7 PLUS, Руководство по эксплуатации пользователя

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Isotech TTI 7 PLUS Скачать руководство пользователя страница 33

 

Page 33 of 44 

TTI-7 Iss.02 – 06/11 

Autozero And Rolling Mean & Standard Deviation Commands 

 

SENSe:ZERO:AUTO 

<off/on

> 

Turns the autozero function off/on. The ‘on’ mode is automatically reset to ‘off’ if any of the following commands is 

sent: 

 

CONFigure:TEMPerature:TC <

type>,<rj mode>,<ext rj standard> 

CONFigure:TEMPerature:RTD <

type>,<standard>,<con>,<current mode>,<root 2>

 

CONFigure:CHANnel 

<channel> 

MEASure:TEMPerature:TC? 

<type>,<rj mode>,<ext rj standard>

 

MEASure:TEMPerature:RTD? <type

>,<standard>,<con>,<current mode>,<root 2>

 

MEASure:CHANnel? 

<channel>

 

SENSe:AVERage:STATe ON 

 

If the Rolling Mean and Standard Deviation function is on, then this command will be ignored. 

 

SENSe:ZERO:AUTO? 

Queries the autozero status. Responds with 0 or 1. 

 

SENSe:AVERage:STATe <

off/on>

 

Turns the Rolling Mean and Standard Deviation function off/on. This command will be ignored if the scanner mode is 

on. If the autozero function was on when this command was sent, then the autozero function will be turned off. 

Note that the MEASure? commands affect channel, sensor, current mode etc., and will therefore reset the mean and 

standard deviation. To avoid this, the READ? or INIT/FETCh? commands should be used instead. 
 

SENSe:AVERage:STATe? 

Queries the Rolling Mean and Standard Deviation function state. Responds with 0 or 1. 

 

SENSe:AVERage:COUNt <No. of readings> 

Sets the maximum number of readings over which the Rolling Mean and Standard Deviation will be calculated. 

 

SENSe:AVERage:COUNt? 

Returns the maximum number of readings over which the Rolling Mean and Standard Deviation will be calculated. 

 

SENSe:AVERage:POINTs? 

Returns the actual number of readings over which the Rolling Mean and Standard Deviation was calculated. 

 

SENSe:AVERage:CLEar 

Resets the Rolling Mean and Standard Deviation. 

 

System Related Commands 

 

DISPlay:BACKlight 

<off/on

> 

Turns the front-panel display backlight off or on. 

 

DISPlay:BACKlight? 

Query the front-panel display backlight setting. Returns 0 or 1. 

 
SYSTem:BEEPer 

Issue a single beep immediately. 

 

Содержание TTI 7 PLUS

Страница 1: ...4 0 1704 543830 Fax 44 0 1704 544799 Internet www isotech co uk E mail info isotech co uk The company is always willing to give technical advice and assistance where appropriate Equally because of the...

Страница 2: ...TEM REQUIREMENTS 19 Development 19 License 19 INSTALLING CAL NOTEPAD 19 STARTING CAL NOTEPAD 20 Configuring for the TTI 7PLUS 20 REMOTE CONTROL INTERFACES 21 INTRODUCTION 21 Version History 21 RS 232...

Страница 3: ...AND SUMMARY 41 Programming Language 41 Measurement Configuration Commands 41 Triggering Commands 41 Routing Commands 42 Memory Commands 42 Datalogger Commands 42 Mathematical Operation Commands 42 Aut...

Страница 4: ...UARANTEE INTERFERENCE WITH OR FAILURE TO PROPERLY MAINTAIN THIS INSTRUMENT MAY INVALIDATE THIS GUARANTEE RECOMMENDATION The life of your ISOTECH Instrument will be prolonged if regular maintenance and...

Страница 5: ...must be correctly earthed This equipment is a Class 1 Appliance A protective earth is used to ensure the conductive parts can not become live in the event of a failure of the insulation The protectiv...

Страница 6: ...munity Signal Lines prEN60 1000 4 4 500V Radiated Immunity prEN60 1000 4 3 3V m Electrostatic Discharge Immunity prEN60 1000 4 2 8kV Electrical Safety Standard IEC1010 1 Amend 1 INSTALLATION The TTI 7...

Страница 7: ...arger will automatically switch to trickle charge or fast charge mode depending upon the battery state LOW BATTERY indication is displayed when the batteries have approximately 10 charge left When thi...

Страница 8: ...5 C Pt25 200 to 100 2 5 to 15 1 mA 0 001 0 02 C Pt25 100 to 500 15 to 75 1 mA 0 001 0 01 C Pt25 500 to 670 75 to 115 1 mA 0 001 0 02 C Pt100 200 to 100 10 to 60 0 5 mA 0 001 0 02 C Pt100 100 to 500 60...

Страница 9: ...INE will illuminate to show that mains power has been connected to the thermometer and the LED marked FAST will light when the batteries are low and the charger is charging at a high rate The charger...

Страница 10: ...e shown SENS The following sensors may be configured Select SENS To configure for thermocouples select T C and the following screen will be displayed Select from one of the thermocouple options and pr...

Страница 11: ...Enter the probe number and press OK if the probe number selected has already been configured then press Quit to return to the main measurement menu If you select a probe number that has no coefficien...

Страница 12: ...tistical values of stored data log values Press Log Stats and the following values will be displayed Max and Min values Mean value Peak to peak value and Standard deviation The number of samples these...

Страница 13: ...Press Clear to clear current value set and Edit to change the selected parameter To set the number of scan cycles press Edit and then key in the number of cycles required 1 to 9999 To set as continuo...

Страница 14: ...ear on the display It will also be noticed that the flashing Busy blanks in the hold mode Pressing TRIG a second time returns the instrument to the run mode The second mode of operation may be set usi...

Страница 15: ...and secondly from a calculation point of view the change in reading will be displayed without further calibration being required OPT Selects the various instrument configurations The following options...

Страница 16: ...ture automatically applying the corrections The accuracy of the internal reference is approximately 0 3 C to achieve more accurate results an external reference may be used Ext When using an external...

Страница 17: ...a diagnostic tool to ensure that there is no corruption of these constants Select the Cal option and you now enter the calibration routine The display will ask for a passcode to be entered the defaul...

Страница 18: ...Ohms 1 Resistance Standard Type RS3 62 5 Value 62 5 Ohms 1 mV source 75 0 75 mV 1 Pt100 sensor and measuring instrument 1 Calibration Lead Type TS01 The Value of the resistance standards should be kn...

Страница 19: ...to ensure the validity of all stored results and printed certificates Isothermal Technology Ltd accept no responsibility for any errors caused by inappropriate use incorrect set up or any other cause...

Страница 20: ...ton Highlight PROGRAMS Select Isotech Select Calpad Note Ensure the the TTI 7PLUS is switched on and connected to the PC before starting the software Configuring for the TTI 7PLUS From File Config sel...

Страница 21: ...ines Hardware handshaking for each character transfer uses the RTS and CTS lines RTS is an output from the instrument which indicates its receiver status When asserted low it indicates that it is read...

Страница 22: ...re all incoming interface commands and the instrument will remain in LOCAL control mode The result of each temperature measurement is sent to the interface output with the resolution and units as per...

Страница 23: ...ate command keywords but in this case the path remains at the same level This is not implemented for the instrument series The semicolon is treated as a non recognised character and the command error...

Страница 24: ...contain ASCII characters which are placed between a pair of double quotation marks i e Output Data Format Non reading queries 80 ASCII character string Reading queries IEEE SDDDD DDD lf RS 232 SDDDD...

Страница 25: ...do not trigger a measurement If the instrument is in the trigger run mode it will change to the trigger hold mode or if in the trigger single mode it will remain in the trigger single mode CONFigure C...

Страница 26: ...lues are as per the tables above Does not affect the current measurement MEASure Group These work similarly to the CONFigure commands except that an immediate measurement is performed with the result...

Страница 27: ...OLTage Returns the voltage produced by the thermocouple probe as displayed on the screen This is calculated from the voltage measured at the input terminals of the instrument plus the equivalent volta...

Страница 28: ...lable for RS 232 only TRIGger Group TRIGger MODE SINGle INFinite Setting the mode to SINGle means that READ will take one reading and send it to the output buffer Setting the mode to INFinite means th...

Страница 29: ...list timer cycle delay time slx SL1 SL2 SL3 SL4 Specify scan list Returns the delay time 00 00 00 to 99 59 59 SAMPle Group SAMPle COUNt SAMPle COUNt slx The SAMPle COUNt command queries the general t...

Страница 30: ...ternal scanner cards slx SL1 SL2 SL3 SL4 scanlist A0 A1 A2 A3 A4 B0 B1 B2 B3 B4 To configure a scanning list specify the scanning list number followed by a list of channels that are required to be act...

Страница 31: ...Tiate and FETCH are ignored DATAlogger MODE off on Turn the datalog mode off on When turned on triggering is controlled by STARt STOP and STEP and all readings are sent to the datalog memory It termin...

Страница 32: ...m location 1 to POINts Sending ABORt will cancel the operation The output format is record no channel temperature unit date time DATAlogger POINts Queries the number of readings actually stored in the...

Страница 33: ...on when this command was sent then the autozero function will be turned off Note that the MEASure commands affect channel sensor current mode etc and will therefore reset the mean and standard deviati...

Страница 34: ...logged data format dd mm yy mm dd yy SYSTem DATE FORMat Queries the system calendar clock date format Returns DD MM YY or MM DD YY SYSTem DATE dd mm yy or mm dd yy Sets the system calendar clock date...

Страница 35: ...Summary Byte is also cleared The Enable Register is a mask which allows any of the bits from the Event Register to set the appropriate bit in the Status Byte Setting an enable bit to 1 enables the ev...

Страница 36: ...Reg Condition Event Enable Bit Register Reg Reg 0 0 0 0 Temperature Range erature Range 0 0 0 0 0 0 Under Lower Limit Over Upper Limit 0 0 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0 0 0 0 Measuring 0 0...

Страница 37: ...lected bits are then reported to the Status Byte STATus QUEStionable ENABle Queries the Questionable Data Enable Register The instrument returns a binary weighted decimal value representing the bits s...

Страница 38: ...OPC Sets RQS on completion of the log Alternatively the application programme may continuously poll the Operation Complete bit using ESR Operation Registers Measuring bit 4 This bit is set when a new...

Страница 39: ...etect when a measurement is complete and data is available Alternatively for IEEE the corresponding enable bit in the Service Request Enable Register can be set so that a Service Request SRQ interrupt...

Страница 40: ...ing function The following command sequence can be used SRE 16 Enables the Message Available bit to trigger a service request CLS Clears the Message Available bit DATA START Initiates data logging OPC...

Страница 41: ...pe rj mode ext rj standard TEMPerature RTD type standard con current mode root 2 CONFigure MEASure TEMPerature TC type rj mode ext rj standard TEMPerature RTD type standard con current mode root 2 CHA...

Страница 42: ...ue all POINts Mathematical Operation Commands CALCulate AVERage MINimum AVERage MAXimum AVERage AVERage AVERage COUNt AVERage PEAK AVERage SDEV Autozero andp Rolling Mean Standard Deviation Commands S...

Страница 43: ...T WAI Status Reporting Commands STATus QUEStionable CONDition QUEStionable EVENt QUEStionable ENABle enable value QUEStionable ENABle ESR ESE enable value ESE OPC STATus OPERation CONDition OPERation...

Страница 44: ...Data Carrier Detect not connected 2 RXD Received Data input 3 TXD Transmitted Data output 4 DTR Data Terminal Ready not connected 5 GND Signal Ground 6 DSR Data Set Ready not connected 7 RTS Request T...

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