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Isotech TTI 7 PLUS, User Maintenance Manual/Handbook

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Isotech TTI 7 PLUS User Maintenance Manual/Handbook Download Page 44

 

Page 44 of 44 

TTI-7 Iss.02 – 06/11 

APPENDIX II: RS-232 PIN CONNECTIONS 

 

 

1 

DCD  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 To Send 

 

(output) 

8 

CTS 

Clear To Send   

 

(input) 

9 

RI 

Ring Indicator   

 

(not connected) 

 

 

 

 

 

 

 

 

Summary of Contents for TTI 7 PLUS

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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