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PTB150-MAN-V14.0

PTB 150-157 Instruction Manual

6.4.3 - Serial communication

For PC control use the serial communication RS 232 (5) (references fig.8)
With RS232 you can read and/or change the operative parameters, for
example: set point, external probe, slope rate etc..
Reference to communication protocol instruction (chapter 10.2).

The external PC must be conform to the IEC950 standard

Fig.8

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Содержание PTB 150

Страница 1: ...on Manual PTB 150 PTB 157 Portable Temperature Calibrators Instruction Manual Eurotron Instruments UK Ltd Unit 18Austin Way Royal Oak Industrial Estate NN11 8QY Daventry United Kingdom T 0044 0 1327 871044 www ei uk com sales eurotron uk com ...

Страница 2: ...6 2 Description of instrument 12 6 2 1 Thermo regulator 12 6 2 2 Signalling lamps 12 6 2 3 Main switch 12 6 2 4 Carrying handle 12 6 2 5 Heating cooling system 13 6 2 6 Equalising block 13 6 2 7 Temperature sensors 13 6 3 Start up instructions 14 6 4 Use of the functions 16 6 4 1 Reading of external probes TC version only 16 7 MAINTENANCE INSTRUCTIONS 18 8 MAINTENANCE SEQUENCE 18 9 TYPICAL FAULTS ...

Страница 3: ...pplication other than calibration of temperature any other use of the instrument may cause hazards to the user Use the instrument only in normal environmental conditions Electrical and electronic equipments with this symbol cannot be thrown away in public dump sites According to the EU directive 2002 96 EC the European users of electrical and electronic equipment have the opportunity to return to ...

Страница 4: ...able Temperature Calibration model PTB150 157 The instructions reported in this manual for the above mentioned equipment are those relevant to Start up preparation Operation description Using of the equipment Re calibration procedure Preventive maintenance Typical faults and their remedies Users must observe all the usual safety rules out in this manual for own security and to avoid equipment fail...

Страница 5: ...0x330 x h 500 mm Weight 10 Kg only calibrator 17Kg with travelling case Structure in flanged plate with rotating handle Thermostatic well in aluminium with a hole ø35mm Reducer inserts ø34 7x135mm Regulation of the temperature with PID controller Switch test Internal cryostat with Peltier elements Electronic control components thermally insulated with forced air system Removable upper protection g...

Страница 6: ...112011 7 List of first equipment accessories PTB150 TS 230 UK Temperature Calibrator 48 150 C TS version 230 VAC PTB150 TS 115 US Temperature Calibrator 48 150 C TS version 115 VAC PTB150 TS 230 EU Temperature Calibrator 48 150 C TS version 230 VAC PTB150 TC 230 UK Temperature Calibrator 48 150 C TC version 230 VAC PTB150 TC 115 US Temperature Calibrator 48 150 C TC version 115 VAC PTB150 TC 230 E...

Страница 7: ...7 PTB150 MAN V14 0 PTB 150 157 Instruction Manual PTB CASE 02 Aluminium Transport Case with space for accessories PTB PLB PTB CASE 01 Vinyl Case with Pockets for accessories PTB PLB ...

Страница 8: ...take care to position the two probes the standard one and the calibration one at the same dept and as close together as possible figure 3 Always verify the range of the probes to be calibrated before using the maximum temperature of the probes should be higher then the temperature of the liquid otherwise the probe could break Advises The temperature difference is proportional to the difference bet...

Страница 9: ...erature before returning the calibrator to its carrying case Never put any type of liquid inside the well Don t change absolutely the configuration parameters Don t put anything on the top of the calibrator Do not operate the instrument in an excessively wet oily dusty or dirty environment Do not connect any voltage higher to 5V to the input 4 5 15 Don t put fuel objects near the calibrator use co...

Страница 10: ...tely to the transporters and a claim must be made 5 1 2 Positioning the calibrator Position the calibrator in a safe clean place make sure that the fan on the bottom of the calibrator runs free DANGER The calibrator is suitable for operating at high temperatures with the consequent danger of fire Keep it away from any type of inflammable materials and never put any type of liquid inside the block ...

Страница 11: ...MMANDS LIST POS DESCRIZIONE 1 SUPPLY SOCKET 2 MAIN SWITCH 3 PROTECTION FUSES 4 SWITCH TEST BUSHES 5 RS 232 SOCKET 7 THERMOREGULATOR DISPLAY 7 1 HEATING LED 7 2 COOLING LED 7 3 SWITCH TEST LED 15 EXTERNAL PROBES SOCKETS OPTIONAL 7 7 1 7 2 7 3 15 5 4 1 3 2 ...

Страница 12: ...dication of the set point external probes if selected setting parameters KEY used to increment decrement any numerical parameter The increment decrement speed is proportional to the time the key remains depressed F KEY allow access to the various parameters repeatedly press access to the various phases of configuration press F E KEY allow confirming the set parameter The calibrator is endowed with...

Страница 13: ... block The equalising block is in aluminium with the hole for the reduction insert Holes have been made on the reduction insert to make it possible to fit various types of probes The function of the block is to make uniform the temperature on calibration zone If you want to fit the calibrator with a block or insert with different holes we recommend that you should contact the technical support dep...

Страница 14: ...with external reference and reading on the calibrator display The reference temperature value is given by the external reference introduced in the block and directly connected to Quartz figure 5 the temperature can be read on the second line of the display for the configuration of the sensor see the paragraph 10 1 When possible it is advisable to place two probes at the same level and as closest a...

Страница 15: ...changed the temperature read on the display and that measured in the block may not proceed at the same speed this is because there are differences between the sensors used and the position of the same inside the block We suggest to insert one primary standard with SIT certificate in the ø6 5 hole of the block compare the measure with the values indicated by the standard If you don t always want to...

Страница 16: ...ions remembers to us shortest wires possible Refer to figure 7 D In order to read the probes temperature refers to the procedure explained in paragraph 10 1 till SENSOR the temperature will be displayed on at the bottom of the display In order to read in the F way refer to the procedure explained in paragraph 10 1 till Units C F K the conversion of the new scale will be carried out at once NOTE Th...

Страница 17: ...l use the serial communication RS 232 5 references fig 8 With RS232 you can read and or change the operative parameters for example set point external probe slope rate etc Reference to communication protocol instruction chapter 10 2 The external PC must be conform to the IEC950 standard Fig 8 ...

Страница 18: ...In order to keep inserts always clean at the end of every use at subzero temperatures please remember to set the furnace temperature at 70 80 C for 1 hour so as to let water evaporate then set the room temperature and let the calibrator cool down before stopping it Water remaining in inserts generates aluminium oxidation resulting in the hole in order to avoid this problem please remember to let w...

Страница 19: ...n card Replace the equaliser block 4 The display show a different temperature from the one measured in the block The Pt100 8 is faulty The thermoregulator 7 is faulty Recalibration of the probe otherwise replace it Replace the thermoregulator 5 The temperature does not stop at the value of the point which has been set The thermoregulator 7 is faulty Replace the regulation card Replace the thermore...

Страница 20: ... you enter to the Set Up menu DISPLAY 2 Indication of the value of the set point Indication of the external probe if selected During the program operation it shows the parameter selected by the F key DISPLAY 1 It shows the value of the temperature in the block COOLING LED When the led is on the calibrator decrease the temperature HEATING LED When the led is on the calibrator increase the temperatu...

Страница 21: ...emperature does not depend on the Set Point temperature If a negative ramp is set put the gradient is left positive and or the SP2 is higher than the current temperature the little over will not accept the ramp start and an alarm will begin running When the ramp is on the display will show the word Ramp followed by the Set Point value on the second line of the text The Set Point value will reach t...

Страница 22: ...only by the proportional action Integral time means the length of time necessary to the integrative action to double up the proportional action T D Derivative Time expressed in seconds When there is a step variation of temperatures the derivative action induces an greater initial adjustment so that the oven will have a greater power than it usual has due to the proportional and integral action onl...

Страница 23: ...cate from the computer to many instruments The admitted values are from 1 to 32 and once the value is set by using the or keys it is necessary to confirm the choice by the E key S N Equipment serial number It is set by the manufacturer and cannot be changed by the user Board S N Serial number of the board It is set by the manufacturer and cannot be changed by the user MAX SET Maximum value of the ...

Страница 24: ... THE INTERNAL PROBE The purpose of re calibration is to correct the error between the temperature indicated and the value of a standard thermometer To calibrate the internal probe it is necessary to have a standard thermometer with precision greater than that of the appliance and then to follow the instructions 1 Insert the standard thermometer probe in the temperature bath or in the most suitable...

Страница 25: ... Press E Key to confirm Confirmation is indicated by the symbol which appears on the display after about 5 seconds 8 Select CAL EXT Set Yes and confirm pressing E Key The procedure takes a few seconds At the end there is a Beep CALIBRATION OF THE REF INPUT with a with probe connected This operation adapts the value indicated by the REF input to the value indicated by the probe connected to it comp...

Страница 26: ...26 PTB150 MAN V14 0 PTB 150 157 Instruction Manual 10 2 Microprocessor regulator control description ...

Страница 27: ...27 PTB150 MAN V14 0 PTB 150 157 Instruction Manual ...

Страница 28: ...3 Access key 13 Access key 14 Baud rate 15 Address 15 Address 25 Ext Sensor type 16 Serial number 26 Ref Sensor type 18 Mx set point 19 Min set point 8 Sensor input selection 21 Wait ON OFF 1 Correspond to the INTERNAL probe 22 Switch on temperature 2 Correspond to the INTERNA EXT probe 23 Switch off temperature 3 Correspond to the INTERNA REF probe 24 Version 4 Correspond to the INTERNA EXT 25 Ex...

Страница 29: ...f message 1 instrument address RVAR reading command 0 number of the variable to read see the table of the VARIABILES on the previous page _ space cr end of message the response string is 1_110 0 110 0 is only for example The character cr concludes the message Command to read the temperature of an external probe index 25 Example 2 reading of the EXT sensor 105 variable the command string is 1RVAR10...

Страница 30: ...he variables 1 4 8 10 25 26 have two or more states for example the resolution by tenth or hundredth of C and to activate them it is necessary to assign to the variable number the number corresponding to that one which should be set according to the table indicated below 1 Ramp ON 1 OFF 0 4 Resolution 0 1 C 0 0 01 C 1 8 Sensor input selection INT 1 INT EXT 2 INT REF 3 INT EXT REF 4 10 Units C 0 F ...

Страница 31: ... PLUG IN 3B BPAN10A 5 RS 232 4MRCRS232 7 TEMPERATURE REGULATION CARD 4ED20048 DISPLAY 8 PT100 PROBE 3DC534 9 COMPLETE EQUALIZER BLOCK 0D2070 35 11 FAN 60 3PPS 8412NG 12 SUPPLY CARD FOR QUARTZ 100 230V 4PRMPPGIUS20 15 AUXILIARY INPUT CARD 4ED20011 18 ELECTRIC POWER CABLE 3NEP5942AW 19 FAN 120 3PPS 4312 10 5 Declaration of conformity and check report The declaration of conformity CE is at the end of...

Страница 32: ...e 2004 108 CE and that it has been designed in accordance with the following harmonised regulation EN 61000 6 3 emission EN 61000 6 2 immunity EN 61010 1 61010 2 010 safety requirements for electrical equipment The conformity with the above mentioned requirements is certified by affixing the CE Mark on the product Eurotron Instruments UK LTD Massimiliano Moltrasio Managing Director Date 17 04 1996...

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