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Isotech PEGASUS PLUS 1200 B, Handbook

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Isotech PEGASUS PLUS 1200 B Handbook Download Page 47

PEGASUS 

PLUS

 

1200

HANDBOOK

ISSUE 5 - 01/05

Page 47 of  50

APPENDIX 1

PEGASUS

Plus

 1200

TROUBLE SHOOTING

1.

Large Temperature Difference

  

Ensure the top and bottom ceramic insulators are in place - see pages 13 and 14.
Ensure that all thermocouples are at the same depth.

2.

Controller Lower Display Constantly Changes after setpoint change

This is normal procedure - refer to page 15

3.

Cannot establish PC Communications

For RS232 you must use the Isotech adaptor cable.
Ensure the addresses of the controller and indicator match those set in Cal Notepad.
Ensure each controller and indicator are set to a unique address.
Refer to ‘Using the PC Interface’ section and the Cal Notepad manual for further details.

Summary of Contents for PEGASUS PLUS 1200 B

Page 1: ...uthport PR9 9AG England Tel 44 0 1704 543830 Fax 44 0 1704 544799 www isotech co uk info isotech co uk The company is always willing to give technical advi ce and assistance where appropriate Equally because of the programme of continual development and improvement we reserve the right to amend or alter characteristics and design without prior notice This publication is for information only ...

Page 2: ...1200B Initial Testing 28 PegasusPlus 1200S 1200B Maintenance 29 Operating Procedures 30 PegasusPlus 1200B 1200S Checking Using the Temperature Indicated on the Controller 31 PegasusPlus 1200B 1200S Calibration Using a Standard Thermometer with External Indication 32 PegasusPlus 1200 S Calibration Using a Standard Thermometer and the Internal Indicator 33 PegasusPlus 1200S Calibration Usi ng the In...

Page 3: ...PEGASUS PLUS 1200 HANDBOOK ISSUE 5 01 05 Page 3 of 50 ...

Page 4: ...ommunications connecting leads are fully screened The product meets the susceptibility requirements of EN 50082 1 criterion B Symbol Identification Publication Description ISO3864 Caution Refer to Handbook I E C 417 C a ution Hot Surface ELECTRICAL SAFETY This equipment must be correctly earthed This equipment is a Class 1 Appliance A protective earth is used to ensure the conductive parts can not...

Page 5: ... are no user serviceable parts inside Contact your nearest Isotech agent for repair Voltage transients on the supply must not exceed 2 5kV Conductive pollution eg Carbon dust must be excluded from the apparatus EN61010 pollution degrees 2 The apparatus has two input connectors for temperature sensors see Figure 1 These inputs are only suitable for either a thermocouple or resistance thermometer No...

Page 6: ...ndl e the apparatus when it is hot or cold unless wearing the appropriate protective clothing and having the necessary training 6 Do not drill modify or otherwise change the shape of the apparatus 7 Do not dismantle the apparatus 8 Do not use the apparatus outside its recommended temperature range 9 If cased do not return the apparatus to its carrying case until the unit has cooled 10 T here are n...

Page 7: ...THIS GUARANTEE 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 cleaning to remove general dust and debris is carried out We recommend the Pegasus Site to be re calibrated annually Serial No Date ISOTHERMAL TECHNOLOGY LTD PINE GROVE SOUTHPORT PR9 9AG ENGLAN...

Page 8: ...COMPETENT PERSONNEL FAMILIAR WITH GOOD MEASUREMENT PRACTICES IT IS EXPECTED THAT PERSONNEL USING THIS EQUIPMENT WILL BE COMPETENT WITH THE MANAGEMENT OF APPARATUS WHICH MAY BE POWERED OR UNDER EXTREMES OF TEMPERATURE AND ARE ABLE TO APPRECIATE THE HAZARDS WHICH MAY BE ASSOCIATED WITH AND THE PRECAUTIONS TO BE TAKEN WITH SUCH EQUIPMENT ...

Page 9: ...uld be placed into the metal bl ocks alongside the units under test The probe under test should be calibrated by comparison to the standard probe PegasusPlus 1200 S see page 34 The S isagain similar to the B but thisunit hasthe addition of a digital temperature indicator The indicator is independent from the controller and can be programmed to work with a thermocouple or industrial Pt 100 resistan...

Page 10: ...ny damage or that part of the delivery is missing notify us or our agent and the carrier immediately If the unit is dam aged you should keep the packing for possible insurance assessment ELECTRICITY SUPPLY Before connecting to the el ectricity supply please familiarise yourself with the parts of the handbook relevant to your model Your unit s supply voltage requirement is specified on a plate on t...

Page 11: ...TION G r een yel lo w Earth Ground Brown Live line Blue Neutral Please ensure that your unit is correctly connected to the electricity supply A Residual Current Device sometimes called an RCD ELCB or ground fault detector is included with 230VAC PegasusPlus 1200 models It is fitted in line with the PegasusPlus ...

Page 12: ...ides additional safety protection against fault conditions and must be used with 230VAC models THE APPARATUS MUST BE CORRECTLY EARTHED GROUNDED The units on off switch is located on the power inlet Take care NOT to switch the unit off when it is hot allow to cool first ...

Page 13: ...ency 50 60Hz Maximum Operating Temperature 1200 C Minimum Operating Temperature 150 C Stability 0 05 to 0 2 C Calibration Volume 33 5mm by 130mm Standard Insert Hole Dimensions 4 x 8mm Insert Options Special drill i ngs available to customer requirements Dimensions not including handle Height 302mm Width 176mm Depth 262mm Weight 8 50Kg ...

Page 14: ...PEGASUS PLUS 1200 HANDBOOK ISSUE 5 01 05 Page 14 of 50 ...

Page 15: ...PEGASUS PLUS 1200 HANDBOOK ISSUE 5 01 05 Page 15 of 50 A full evaluation of the Pegasus 1200 is available contact the factory for availability ...

Page 16: ...essential this connection is made TO ASSEMBLE THE INSERT 1 Ensure furnace is cool 2 Slide the long ceramic insulator down the furnace tube so that the ti p of the spike protrudes This can be checked by using a ruler or similar 3 Carefully lower the insert using the extractor tool 4 Unscrew extractor tool 5 Finally add the smaller top ceramic insulator ...

Page 17: ...PEGASUS PLUS 1200 HANDBOOK ISSUE 5 01 05 Page 17 of 50 ...

Page 18: ...the setpoint to the required value The lower display changes to indicate the new setpoint Advanced Controller Features Setpoint Ramp Rate The PegasusPlus units incorporate an automatic setpoint ramp rate which limits the heat up rate to a safe value which will not stress the ceramic furnace assembly After the setpoint is change the controller will automatically move the setpoint from the current v...

Page 19: ...d with the UP and DOWN keys Monitoring the Indicator Status A row of beacons indicate the controllers status as follows OP1 Heat Output OP2 Cool Output Only for models which operate below 0 C REM This beacon indicates activity on the PC interface Units Momentary pressing the Scroll key will show the controller units C or F The Temperature Indicator Site S Models Only The site models include an ele...

Page 20: ...esistance thermometer T012 E thermocouple Again the value can be modified with the UP and DOWN keys Enabling Disabling Custom Calibration Custom calibration allows the indicator to be programmed to suit a particular temperature sensor This allows the indicator to automatically show the true temperature without having to manually apply a correction When the Custom or User Calibration is active the ...

Page 21: ...roller defaults to 1 This address would only need to e changed if m ore than one Dry Block is connected to the same PC port To check the Address value press the scroll key until the top display indicates Addr The lower display will show the current value that can be modified with the UP and DOWN keys Monitoring the Controller Status For the indicator the REM beacon is lit continuously when the use...

Page 22: ...play will show inSt Conf Press the Page Key until the controller shows CAL Conf Now use the Scroll key to examine the data pairs The values can be modified with the UP and DOWN keys To exit this mode press the Page key until the top display shows Exit And then set the lower display to YES Whi l e in this mode take care not to modify other parameters a full list of all the parameters can be found i...

Page 23: ...fset values The Pnt values must be entered in ascending order Set a Pnt to a value lower than the previous point to disable it The indicator would be programmed with the following data Pnt 1 100 Ofs 1 0 8 Pnt 2 300 Ofs 2 1 1 Pnt 3 500 Ofs 3 2 1 Pnt 4 999 Ofs 4 0 Pnt 5 999 Ofs 5 0 ...

Page 24: ... A CURRENT TRANSMITTER UP TO 20MA The transmitter should be powered externally a 2 49 current sense resistor is fitted internally and this allows the indicator to read mA 1 From the input type menu select mV 2 Access configuration level SELECTING CONFIGURATION LEVEL ...

Page 25: ...PEGASUS PLUS 1200 HANDBOOK ISSUE 5 01 05 Page 25 of 50 Testing Thermostats ...

Page 26: ...thermal switches wi th vol t free contacts Cal Notepad can capture the temperature at which a switch opens or closes It can also perform a hysteresis test Refer to the Cal Notepad manual for details Ensure only voltage free contacts are connected Do not allow any voltage signal to be connected doing so many damage the equipment and present a safety hazard ...

Page 27: ...ained together The benefit of this approach is that a number of calibration baths may be connected together in a dai sy c h a i n configurati on and then linked to a single RS232 s e e diagram Note The RS 422 standard specifies a maximum lead length of 1200M 4000ft A true RS422 port will be required to realise such lead lengths The Isotech conversion leads are suitable for maximum combined lead le...

Page 28: ...s are supplied with Cal NotePad as standard This easy to use package is compatible with MS Windows 9x A handbook for Cal NotePad can be found on the first installation disk in Adobe PDF format If required a free Adobe PDF reader can be downloaded from www adobe com ...

Page 29: ...oftware to a third party provided that no copies or upgrades of CNP are retained 4 It is the responsibility of the user 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 including defects in the software 5 Limited Warranty Isothermal Technology warra...

Page 30: ...PEGASUS PLUS 1200 HANDBOOK ISSUE 5 01 05 Page 30 of 50 CNP is not designed for situations where the results can threaten or cause injury to humans ...

Page 31: ...TUP Where A is your drive letter then click OK 5 Follow the prompts which will install the application and necessary LabVIEW run time support files 4 Should you ever need to uninstall the software then use the Add Remove Programs option from the Control Panel Starting Cal NotePad From a Standard Installation Click the START button Highlight PROGRAMS Selec t Isote ch Sel ect Cal pad ...

Page 32: ...y Error The value of an operator or configuration parameter has been corrupted For Controller Contact Isotech For Indicator Check Config Against Data in Appendix S br Sensor Break Input sensor is unreliable or the input signal is out of range For Controller Contact Isotech For Indicator Check a sensor is connected Check that only a PRT or a TC is Connected Not both HW Er Hardware error Indication ...

Page 33: ...button or a button was pressed during power up Switch the power off and then on without touching any of the controller buttons Err5 Error 5 Input circuit failure Consult Isotech Pwr F Power failure The line voltage is too low Check that the supply to the controller is within the rated limits ...

Page 34: ...sert as shown on pages 13 and 14 Change the set point to 300 C and observe that the block temperature rises and settles to this value For the S place a thermometer in an insert in the block and connect it to the suitably configured indicator Confirm that the indicator agrees within 2 C of the controller Your unit should have performed as described above and can now be used for calibration If any p...

Page 35: ... down probe can be attached to a suitable air supply and then placed into the Pegasus insert for rapid cooling Take care when placing the probe into the hot block Ensure the air supply is set to give an appropriate flow rate Guard against setting so high that the probe may be blown from the insert ...

Page 36: ... THE BASIC WORKINGS OF THE PEGASUSPlus 1200 The purpose of the PegasusPlus 1200 models is to provide an adjustable isothermal enclosure for calibration purposes The isothermal enclosure consists of a small furnace into which an insert can be placed Items for calibration are placed in suitably drilled holes in the insert The replaceable inserts enable a variety of items to be calibrated The furnace...

Page 37: ...37 of 50 OPERATING PROCEDURES The following operating procedures have been written for one of the two models as indicated by the Procedures heading Please note No oils greases or powders should be introduced into the PegasusPlus 1200 or its inserts ...

Page 38: ...the PegasusPlus 1200 to a suitable power supply and set the controller to the required temperature 3 Place the thermometer for calibration into a suitable hole in the metal insert and wait for the temperature to stabilise 4 When the temperature indicated by the controller and the output of the thermometer are both stable see specification for typical values record three sets of readings over a per...

Page 39: ...ON 1 Remove the PegasusPlus 1200 from its case and visually inspect it for any damage it may have sustained since it was last used Insert the required metal insert into the furnace block using the tool supplied to avoid damage to the heater assembly 2 Connect the PegasusPlus 1200 to a suitable power supply and set the controller to the required temperature 3 Place the thermometer s for calibration...

Page 40: ...led to below 600 C before moving the PegasusPlus 1200 to a new location The PegasusPlus 1200 must be cooled below 100 C before it can be put back into its carrying case PEGASUSPlus 1200S CALIBRATION USING A STANDARD THERMOMETER AND THE INTERNAL INDICATOR 1 Remove the PegasusPlus 1200 from its case and visually inspect it for any damage it may have sustained since it was last used Insert the requir...

Page 41: ...e specification for typical values record three sets of readings over a period of about six minutes Check that these readings are consistent and use their average values for the final calibration figures 5 Compare the units under test to the value from the in built indicator 6 If the PegasusPlus 1200 has been calibrated correct the figures accordingly 7 Reset the controller and or repeat the calib...

Page 42: ...for typical values record the reading of the standard Connect the thermometer under test in place of the standard to the indicator and re reconfigure the indicator for the new sensor type as necessary If user calibration is enabl e for the standard it will need to be turned off or modified for the unit under test see pages 16 to 19 Record the temperature of the thermometer under test For security ...

Page 43: ...and set the user calibration of the indicator accordi ngly Connect the standard thermometer to the indicator which will now display its temperature 4 If the indicator is going to be used to measure the temperature of a remote thermometer reconfigure and set the user calibrati on of the indicator to correspond to that type of thermometer connect the thermometer to the indi cator and the correspondi...

Page 44: ...PEGASUS PLUS 1200 HANDBOOK ISSUE 5 01 05 Page 44 of 50 FIGURE 1 ...

Page 45: ...f 50 FIGURE 2 A Platinum Resistance Thermometer Connector B Stir Speed C Switch Contact Thermostat D Thermocouple Connector E Temperature Indicator F Temperature Controller G C o m m u n i c a t i o n s Connector H On Off Switch I Power Entry and Fuse ...

Page 46: ...PEGASUS PLUS 1200 HANDBOOK ISSUE 5 01 05 Page 46 of 50 Note Only connect a thermocouple or platinum resistance thermometer to the input connectors Ensure that only one sensor is connected at any time ...

Page 47: ... the same depth 2 Controller Lower Display Constantly Changes after setpoint change This is normal procedure refer to page 15 3 Cannot establish PC Communications For RS232 you must use the Isotech adaptor cable Ensure the addresses of the controller and indicator match those set in Cal Notepad Ensure each controller and indicator are set to a unique address Refer to Using the PC Interface section...

Page 48: ...T Type R Thermocouple 935 14 91 Undrilled Insert 853 06 02B Standard Insert 853 06 02A Special Insert Consult Factory Fuse 230VAC Models 20mm 10amp quick blow RS Components 416 405 PRT Plug 935 16 75 T C Plug Type R 935 35 101 Rapid Air Cooling 853 04 02 Ceramic Insulation Pack 853 06 04 ...

Page 49: ...t Enable NO 0 Sbrt Sensor Break Type SB OP 0 rnGH Process Value High Limit 1220 00 rnGL Process Value Low Limit 0 00 Config IP Name Description Value inPt Linearisation Type R TC 3 CJC CJC Type EXT imP Sensor break impedance AUTO 1 Config CAL Name Description Value UCAL User Calibration Enable YES 1 Pnt1 User Cal Point 1 0 Pnt5 User Cal Point 5 99 00 OFS1 User Cal Offset 1 0 00 Pnt2 User Cal Point...

Page 50: ...ing NO 0 AL_3 Alarm 3 Type OFF 0 Ltch3 Alarm 3 Latching NO 0 AL_4 Alarm 4 Type OFF 0 Ltch4 Alarm 4 Latching NO 0 Config HA Name Description Value id Module Identity CMS 7 Func Module Function CMS 65 bAud Baud Rate 9600 0 Prty Comms Parity NONE 0 rES Comms Resolution FUL 0 Config 1A Name Description Value id Module Identity LOG 3 Func Module function NONE 0 SEnS Sense of Output NOR 0 Config 2A Name...

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