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Omega Multifunction Indicator-Simulator Binding Machine User Manual

1. rennes 28 Data memory automatic scanning esssessssssssssssseseseeeneeenenrer ttt EEES Anett EEEn t t ee rsen entere nnns 28 iac 29 Automatic simulation cycle 2 atre roii e decay tie rie 29 1 I 29 2 31 Rj compensation mode Check 31 Scale factor Prod 32 Installation parameter procedure 34 1 Firmware version code Serial number oooccconcccccncococcnononcnonono nono n acc nn nono rca rra n cnn EAEE rr narran nn enne nnns 34 9 3 13 2 External Rj compensaltioh i eerie oit octal cats 34 10 DIGITAL INTERFACE I 35 10 1 Digital interface data program MOB C 35 10 2 Digital output Wiring Practice C C 35 10 3 T TE t0 85S 232 ad8plte ie a e a lek elsz ss cis 36 10 4 Communication protocol from CL526 to a PC sssssssssesseseene eene rn nennen nnne nnnm nennen 36 10
2. X Value Hi 0 X Value Hi 1 X Value Hi 2 X Start Hi 1 Step Hi 1 Soak Hi 1 X Start Hi 2 Step Hi 2 Soak Hi 2 x HiX Hi Mode X CHAR 4 x x Vbat X From Prog 2 to Prog 2 From Prog 4 to Prog 4 From Prog 6 to Prog 6 10hex AONO oo o 40hex 20hex OMNDARWNH O Pt100 385 Pt100 3916 JIS Pt100 3910 OIML x Display 2 Lin 2 Value Lo 2 x x x Display 0 Lin 0 Value Lo 0 x x x Display 1 Lin 1 ValueLo 1 x x x Display 2 Lin 2 Value Lo 2 x x x Display 0 Lin 0 Value Lo 0 x x x Display 1 Lin 1 ValueLo 1 x x x Display 2 Lin 2 Value Lo 2 x x X Time Hi 1 Time Lo 1 Start Lo 1 Stop Hi 1 Stop Lo 1 Step Lo 1 Lin 1 Display 1 Soak Lo 1 x Mode 1 X Time Hi 2 Time Lo 2 Start Lo 2 Stop Hi 2 Stop Lo 2 Step Lo 2 Lin 2 Display 2 Soak Lo 2 x Mode 2 X LOX Hi LOX Lo HiX Lo Decimal point Type X CHAR 1 CHAR 2 CHAR 3 X X X STO group x x x Program Ramp X X X x From Prog 1 to Prog 1 From Prog 3 to Prog 3 From Prog 5 to Prog 5 From Prog 7 to Prog 7 Rjint Rjext TS68 ITS90 1 9999 19 999 199 99 1999 9 19999 96 F IN OUT TcJ TcK TcT TcU TcL TcN TcE TcR TcS TcB ICC TcF TcG TcD Ni100 39 Lin name AND 80hex if line name AND 80hex 80hex corresponding Value Lo if line name AND 80hex 0 18 19 20 2
3. 3 4 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 4 10 4 11 4 12 9 1 9 2 9 3 9 3 1 9 3 2 9 3 3 9 3 4 9 3 5 9 3 6 9 3 7 9 3 8 9 3 9 9 3 9 1 9 3 9 2 9 3 9 3 9 3 9 4 9 3 10 9 3 10 9 3 10 9 3 11 9 3 12 9 3 13 9 3 13 TABLE OF CONTENTS GENERAL PERFORMANCE uc ccssscecececsesccesetcceeencs decesebeceeeescccecesenus deidad 6 lere rq adan iia dad 7 Table of ranges arid accufracy o rre e rie re 9 GENERAL culi 10 Input and output flexibility 10 Self calibration E 10 0 _ 3 3 10 BIET 10 Digit l interfaces ada tai 10 Gale factor function cake 10 Square root function saarega eee ie br nel 6 0 6 65 10 Average Measurements acia Bere Dose Code Ele seme ioo Eoo bet Ed pde ele Coe eed inae 10 NIIarBizue meom 10 arc EE 11 PHYSICAL DESCRIPTIQN 13 2 52 2 22 232 2 tait acr a duc repre ee ccce baat eer Naa O AA AAEE pue 12 FUNCTIONAL DESCRIPTION eeeeeeeeeees esee enne nennen nn enana RRE nn nite nn nn sn a Re rene errar nnmnnn nnna 13 C HR
4. e To memory load the cycle parameters follow the procedure indicated below e Select the required tecnical unit or electrical parameters e Select the required decimal point position e Press lt SHIFT gt lt TIME gt keys to enter the cycle set up procedure obtaining the following indication related to the time in hours minutes and seconds The maximum setting is limited to 5 hours 33 minutes 20 seconds 20 000 seconds e Press the lt START gt key to obtain the following indication e Press the lt A gt and W cursors to set the Start level of the cycle e Press lt ENTER gt lt START gt keys to memory store the new value s Press the END key to obtain the following indication e Press lt A gt and lt W gt cursors to set the end level of the cycle e Press lt ENTER gt lt END gt keys to memory store the new value e Press the STEP key to obtain the following indication e Press lt A gt and lt W gt cursors to set the size of each individual step To have a continuous ramp set the minimum possible value e g 0 1 e Press lt ENTER gt lt STEP gt keys to memory store the new value e Press the TIME key to obtain the following indication e Press lt A gt and W cursors to set the required ramp time max 5h 33m 20s 20000 seconds e Press lt ENTER gt lt TIME gt keys to memory store the new value e Asetting of Oh Om 00s allows a manual step advance each time the lt AUTORAMP
5. see following tables Resolution see following tables Limits of error see following tables Common mode rejection gt 130 dB at 50 60 Hz Normal mode rejection gt 60 dB at 50 60 Hz Temperature stability span 0 005 of the reading C zero 0 2 uV PC Output impedance emf output and Tc lt 0 5 Q with maximum current of 0 5 mA Input impedance gt 10 MQ gt 1MQ on 10 V range Source resistance effect 1 uV error for 1000 Q source resistance Rtd and Q simulation excitation current from 0 2 to 5 mA Rtd and Q measurement excitation current 0 25 mA Rtd cable compensation up to 100 Q each wire Shunt resistance mA ranges 38 Q Maximum resistance load 1000 Q 20mA Maximum input over voltage dc 50 V mV V Tc 5 V Rtd Display high contrast dot matrix LCD 7x5 dots per character 16 characters Engineering unit indications up to 4 characters shown directly on the display Scale factor zero and span programmable within 10000 and 10000 Square root in combination with scale factor display limits 0 and 2500 7 Calibration semi automatic procedure Power supply n 4 Ni MH batteries 1 25 V 1 2 A h Battery life 4 hours with 20 mA simulation mode 12 hours on measuring mode Recharge time 10 hours with instrument switched Off at 90 Battery voltage value indicated on the display Program release identification release code on the display Operating e
6. 0 Value Hi 0 Dispaly 1 Value Hi 1 Display 2 Value Hi 2 Display 0 Value Hi 0 Dispaly 1 Value Hi 1 Display 2 Value Hi 2 Display 0 Value Hi 0 Dispaly 1 Value Hi 1 Display 2 Value Hi 2 Display 0 Value Hi 0 Dispaly 1 Value Hi 1 Display 2 Value Hi 2 Display 0 Value Hi 0 Dispaly 1 Value Hi 1 Display 2 Value Hi 2 A DS DT aS Display 0 Value Hi 0 Dispaly 1 Value Hi 1 Display 2 Value Hi 2 Sere SET a Display 0 Value Hi 0 Dispaly 1 Value Hi 1 42 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 oo mh AS X A X c X X o2 ih o lI 2 mh ih X lA 2 X I lol CC CC CC CC OO E EE c Dis Lin STO2 4N 127 1 106 Display 2 Value STO2ZN 127 1 108 Value Hi 2 Dis Lin STOO ZO 127 1 114 Disp
7. 0 01 of rdg 3uV 21 00 to 53 00 10 pV 0 0196 of rdg 3uV 53 00 to 100 00 10 pV 0 01 of rdg 6uV mV 0 0 to 1000 0 0 0 to 1000 0 100 pV 0 01 of rdg 40uV V 0 000 to 10 000 0 000 to 10 000 1mV 0 02 of rdg 0 4mV mA 0 000 to 21 000 0 000 to 21 000 1 HA 0 02 of rdg 0 5 pA Q IN 0 0 to 400 0 Q 0 0 to 400 0 Q 10 mQ 0 0296 of rdg 38mQ Q OUT 0 0 to 400 0 Q 0 0 to 400 0 Q 10 mo 0 0396 of rdg 78mQ Note e Accuracy shown are based on tests at 23 C 5 C for 360 days e All Input ranges additional error 1 digit e Traceability chart to WECC or SIT available on request 2 GENERAL FEATURES 2 1 Input and output flexibility Advanced flexibility of performance has been achieved using microprocessor technology Each instrument through a menu driven procedure allows measurement or simulation of mV V mA Q or any normalized IEC DIN and JIS thermoelectric sensor J K T R S B C U L N E F G D Pt100 Ni100 and Ni120 The microprocessor performs automatic polynomial linearization and cold junction compensation to assure high accuracy C or F selection can be made through a reconfiguration set up 2 2 Self calibration The hardware firmware design allows an automatic calibration of the instrument A precision source from 0 to 10V a 0 C reference system a standard resistor of 400Q 0 02 accuracy and an ohmmeter are necessary The calibration procedure is protected by a security code
8. 2 3 Keyboard A thermoformed metal click tactile polycarbonate membrane keyboard with a working life of one million operations per key seals the internal electronics from the surrounding environment Contact closure of membrane keys is acknowledged as a coded signal directly by the microprocessor Two membrane slidewires patent pending allow operator setting of the simulation value 2 4 Display The high contrast alphanumeric LCD display with dot matrix 7x5 dots per character 16 characters allows easy readings even in poor light conditions and simultaneously indicates the active function measured or simulated engineering unit and type of sensor or signal 2 5 Digital interface A digital interface with TTL logic levels is available as standard for communication with external units A serial data port provides communication capability at a logic level of 0 5V four wires Tx Rx GND Vcc A seven pole cable with mini DIN connector is supplied as a standard accessory and a TTL to RS 232 adaptor is available as an option 2 6 Scale factor function Easy menu driven set up to read or simulate electrical signal value in terms of engineering units Four programmable alphanumeric characters are available on the display to show the symbol of the parameter i e mbar RH CO etc The display will indicate the scaled input output value 2 7 Square root function Can be programmed during the set up procedure e g linear ranges
9. AUTORAMP data and or on the manual memories Indicates a possible loss of calibration data and or PROGRAM X data E 82 Indicates a possible loss of calibration data and or mPa THEE SLM pb AUTORAMP data Xscaling and from the three manual memories Indicates a data writing on the EEPROM memory not verified When the above error codes are indicated repeat the set up of the application parameters and or autoramp data and or In Out memories Indicates underflow conditions Indicates overflow conditions Indicates an environment temperature in correspondence with lt IN OUT gt terminals exceeding the stated limits Indicates that the load is exceeding the stated limits When in mA OUT function the external load must not exceed 1000 Q 46 When in mV or Tc OUT function the current flow must not exceed 0 5 mA Indicates a possible error during scale factor computation ERROR The above indicated faulty conditions can be announced both during the autodiagnostic routine or in measure or simulation modes If the faulty condition is critical for the type of application it is recommended to re run the pertinent set up procedure 11 3 Protection fuses The CL526 unit is protected against overvoltage and overcurrent inputs by thermal fuses When they activate you should disconnect the electrical connections from the unit and switch the instrument off for about 2 minutes The the
10. ENTER key 9 3 8 Average readings The use of the Average function is advised with unstable input signals The average represents a progressive integration of the input signal e To enable the Average mode press keys lt SHIFT gt lt AVERAGE gt the display will show e To disable the Average function press again lt SHIFT gt lt AVERAGE gt keys 9 3 9 IN OUT data memories The availability of 60 slots of memory represents an important feature both either in simulation and or in measurement modes In the measurement mode it can be useful to store a number of input values pertinent to special test conditions In the simulation mode the permanent availability of 60 calibration values can be useful eg during the calibration of the scale of different recorders 9 3 9 1 Data memory configuration e To store each memory slot press keys lt SHIFT gt lt 0 gt lt SHIFT gt lt 1 gt lt SHIFT gt lt 2 gt The following data is stored operative mode measured or simulated value decimal point position eg 0 1 C or 1 C C or F technical unit internal or external Rj mode type of sensor or selected parameters eg thermocouple type International Temperature Scale IPTS68 or ITS90 60 memory slots are available Memory slots are split in 20 groups each of three memories for a total of 60 memories Each group is identified by a letter group A B C D E F G H
11. User s Guide 3 OMEGA Am OMEGA Technologies Company http www omega com e mail info omega com CL526 Multifunction Indicator Simulator omega com CE OMEGA http www omega com OMEG Anet On Line Service Internet e mail info omega com USA ISO 9001 Certified Canada Servicing North America One Omega Drive Box 4047 Stamford CT 06907 0047 Tel 203 359 1660 FAX 203 359 7700 e mail info Gomega com 976 Bergar Laval Quebec H7L 5A1 Tel 514 856 6928 FAX 514 856 6886 e mail info omega ca For immediate technical or application assistance Usa and Canada Mexico and Latin America Benelux Czech Republic France Germany Austria United Kingdom ISO 9002 Certified Sales Service 1 800 826 6342 1 800 TC OMEGA Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 USA WHEN TELEX 996404 EASYLINK 62968934 CABLE OMEGA Tel 95 800 826 6342 FAX 95 203 359 7807 En Espa ol 95 203 359 7803 e mail espanol omega com Servicing Europe Postbus 8034 1180 LA Amstelveen The Netherlands Tel 31 20 6418405 FAX 31 20 6434643 Toll Free in Benelux 0800 0993344 e mail nl omega com ul Rude armady 1868 733 01 Karvina Hranice Czech Republic Tel 420 69 6311899 FAX 420 69 6311114 Toll free 0800 1 66342 e mail czech omega com 9 rue Denis Papin 78190 Trappes Tel 33
12. 13 Keyboard zioni meteo ree ep eese IEEE E 13 I 14 gt C C 15 Firmware 5 6 15 Digitakdis e EE 15 Digital to analog converlter 2 3 2 ce inerte ld Ie RD ea aeo RD RR IRR 15 Battery charger Operation from line source oonooccccnnnocicnnoccccnononcncnonan cnn nnnnn nn nano nn nr nano nn nr eene nnnm 16 Digital interface cion bek 16 Resistance and Rtd 16 Resistance 17 17 ___ __ _ __ lt _ _ _ 323 ___ _ _ _ 18 PRE OPERATIONAL CHEGK 19 ELECTRICAL C0MMCCII0M6 20 WIFINO Pra
13. 130 621 400 FAX 33 130 699 120 Toll Free in France 0800 4 06342 e mail france Oomega com Daimlerstrasse 26 D 75392 Deckenpfronn Germany Tel 49 07056 3017 FAX 49 07056 8540 Toll Free in Germany 0130 11 21 66 e mail info Comega de One Omega Drive River Bend Technology Centre Northbank Irlam Manchester M44 5EX England Tel 44 161 777 6611 FAX 44 161 777 6622 Toll Free in United Kingdom 0800 488 488 e mail info Comega co uk It is the policy of OMEGA to comply with all worldwide safety and EMC EMI regulations that apply OMEGA is constantly pursuing certification of its products to the European New Approach Directives OMEGA will add the CE mark to every appropriate device upon certification The information contained in this document is believed to be corrected but OMEGA Engineering Inc accepts no liability for any errors it contains and reserves the right to alter specifications without notice WARNING These products are not designed for use in and should not be used for patient connected applications INTRODUCTORY NOTE ATTENTION THIS MANUAL MUST BE REFERRED TO INSTRUMENTS WITH SERIAL NUMBER 005980 ONWARDS This publication contains operating instructions as well as a description of the principles of operation of CL526 multifunction portable calibrator This information covers all models of the instrument including the basic equipment and its options and accessories This manual is a compl
14. 2 X Display 0 X Display 1 X Display 2 X Display 0 X Display 1 X Display 2 X Display 0 X Display 1 X Display 2 X Display 0 X Display 1 X Display 2 X Display 0 X Display 1 X Display 2 X Display 0 X Display 1 X Display 2 X Display 0 X Display 1 X Display 2 X Display 0 X Display 1 X 38 Lin 2 Lin 0 Lin 1 Lin 2 Lin 0 X Lin 1 Lin 2 Lin 0 Lin 1 Lin 2 Lin 0 Lin 1 X Lin 2 Lin 0 X Lin 1 Lin 2 X Lin 0 Lin 1 Lin 2 Lin 0 Lin 1 Lin 2 X Lin 0 Lin 1 X Lin 2 Lin 0 X Lin 1 Lin 2 X Lin 0 Lin 1 STO 2 Group R STO 2 Group R 234 235 STO 0 Group S STO 0 Group S STO 1 Group S STO 1 Group S STO 2 Group S STO 2 Group S 236 237 237 238 238 239 STO 0 Group T 240 STO 0 Group T 241 STO 1 Group T 241 STO 1 Group T 242 STO 2 Group T 242 STO 2 Group T 243 RAMP 1 128 RAMP 1 129 RAMP 1 130 RAMP 1 131 RAMP 2 132 RAMP 2 133 RAMP 2 134 RAMP 2 135 X SCALING 136 X SCALING 137 X SCALING 138 X SCALING 139 VARIE 141 VARIE 248 VARIE 32 PROGRAM 244 PROGRAM 245 PROGRAM 246 PROGRAM 247 display name AND 10hex display name AND 8 display name AND 07hex display name AND 40hex display name AND 20hex lin name X Value Hi 2 X Value Hi 0 X Value Hi 1 X Value Hi 2
15. A gt or lt W gt cursor slidewire to select the appropriate page e Select the required parameter or sensor by moving left or right the flashing cursor with keys or lt P gt eg to activate the thermocouple type T choose the page and cursor position as indicated below e Press the ENTER key to memory load the selection the instrument will return to the previous operative mode with the new selected electrical signal or sensor e By pressing the SELECT key instead of lt ENTER gt the instrument will not acknowledge any variation and return to the previous parameter or sensor 25 9 3 3 Tecnical unit e To change the technical unit from C to F or viceversa follow the procedure indicated below Instrument operative in Out mode as follows e Switch the instrument OFF e Keep pressed the lt SELECT gt key and switch the instrument ON obtaining the following reading e Use the same procedure to return in C switching the instrument Off e Press the lt SELECT gt ON key to read 9 3 4 Decimal point position The decimal point position to increase or decrease the resolution upon the application is made by pressing keys lt gt or lt P gt The instrument will automatically convert values in C or F from decimal to integer and viceversa when they are in the range limits stated in par 1 2 1 On mV or V mode one of the following decimal point positions can be obtained 0 000
16. CH1 Thermocouples mV Thermocouples mV mA Active loop mA Active loop mA Passive Loop mA Passive Loop Rtd 2 wire Rtd 3 wire Rtd 3 wire Rtd 4 wire Rtd 4 wire NOT CONNECTED 7 2 Thermocouple wires When making measurements where additional wires have to be connected to the thermocouple leads care must be exercised in selecting these wire types not only where they are claimed to be of the same composition as the thermocouple involved but also of their quality Performance results where high precision is required and in circumstances where some types of thermocouple wire leads are added to the original installation should be reviewed carefully for the impact of the choice of the additional wire leads The quality of thermocouple wire is established by the limit of error to be expected with its use There are three recognizable levels of quality Special or Premium grade Standard grade Extension wire grade The error limits determining the grade quality differ from thermocouple type to thermocouple type reflecting the degree of difficulty in maintaining the precise levels of purity of the metal used 21 The table below summarizes the error limits for Premium and Standard grades while Extension grade wire is characterized by limits of error exceeding those in the table Errors up to 4 C may be experienced when using Extension grade thermocouple wire for J and K thermocouple
17. gt key is pressed e Press the lt SOAK gt key to read the following indication e Press lt A gt and VW cursors to set the waiting time or soak time If the setting is Oh Om Os the waiting or soak time is excluded 30 e Press lt ENTER gt lt SOAK gt keys to memory store the new value e Press the MODE key to obtain one of the following indications single cycle program repeated cycling program single cycle program repeated rise ramp program e Press the lt A gt or V key to select the required program type e Press ENTER lt MODE gt keys to memory store the new selection e Press the lt gt or lt P gt key to exit the set up procedure 9 3 10 2 Simulation cycle e Press the lt SELECT gt key to obtain one of the menu pages e Press the lt AUTORAMP gt key to obtain one of the two following indications Fi borane Fi borane e Press lt A gt or VW key to select the required program e Press the lt AUTORAMP gt to memory store the selection and to return to the menu page e Press the lt SELECT gt key to return to the normal operative mode e Torun the automatic simulation cycle press the lt AUTORAMP gt key e The display indicates the actual cycle position as shown below e On the repeated cycling to stop the program press lt SHIFT gt lt AUTORAMP gt keys 9 3 11 Rj compensation mode check The internal external reference junction compensation is only enable
18. has the following meaning 0 output I input e Press the lt AUTORAMP gt key to advance one step of the program After the end point n 5 in the example B1 the manual sequence will start again from the point 1 e To go back to the previous step press ENTER lt AUTORAMP gt keys e Press the lt A gt or lt W gt or SELECT or lt lt gt or lt P gt key to exit the program 9 3 10 Automatic simulation cycle The instrument can be programmed for simulating two types of pre programmed continuous or step ramp output By programming the incremental steps to its minimum value 0 1 or 1 degree resolution the step ramp can be assimilated to a continuous ramp Select first the technical unit C or F the type of thermocouple and then follow the procedure indicated below The procedure will consider a simulation in mV 9 3 10 1 Simulation cycle selection Two different automatic simulations identified as Autoramp1 and Autoramp 2 can be memory stored To select the required program press the lt SELECT gt key to obtain one of the menu pages e Press the lt AUTORAMP gt key to obtain one of the following indications e Press the lt A gt and lt W gt key to select the required Autoramp program e Press the lt AUTORAMP gt key to confirm the selection and to return to the menu page indication e Press the lt SELECT gt key to return to the operative mode The automatic ramp cycle has the following behaviour 29
19. l J K L M N O P Q R S T 27 To select the required group follow the procedure indicated below e Press the lt SELECT gt key to obtain one of the menu pages e Press the lt 0 gt key to obtain the following indication e Press the lt A gt or lt W gt key to select the required group number e Press the lt 0 gt key to confirm the selection and to return to the previously selected operative mode 9 3 9 2 Data memory manual recall To recall data memory values select first the appropriate or required group number and press then the 02 1 or lt 2 gt key 9 3 9 3 Data memory automatic scanning The 60 stored items of data can be assigned besides the group number to a pre programmed sequence The programmed sequence a number of calibration points or a number of data items to be supervised includes a linear sequence of memory starting from a start point and ending with a end point Memory for seven different pre programmed sequences are available and the procedure is indicated below The numerical value and the parameter indicated below are an operative example eg to memory load 5 calibration points of a scale of a potentiometric recorder temperature with a thermocouple type K 50 C 0 C 100 C 200 C 500 C I I I II II As described in par 8 6 9 1 memory store the calibration data as follows point 12 memory 0 group A point2 memory 1 group A point 3 2 memory
20. lt B gt key lt A gt lt B gt Press in sequence first the lt A gt key and then the lt B gt key e To power the instrument press the ON key the indication will appear for a few seconds e The instrument runs an autodiagnostic routine for the self checking of critical circuits and components e A positive check will be shown with the indication for about one second e The number on the right side of the display indicates the version of the memory installed on the instrument e The instrument is ready for measurement IN mode with the previously selected operating mode as indicated below Any faulty conditions that may be indicated are described in par 8 9 9 2 Battery voltage indication e To recall the battery voltage on the display press the lt SHIFT gt lt BATTERY gt keys The indication will be as follows e The horizontal bar indicates the level of charge of the battery each bar is equivalent to 25 of the full capacity e The low limit of the battery voltage for the correct operation of the instrument is 4 6V e Press any key to reset the operative mode e During normal operating modes measure or simulation low battery condition will be shown as follows i The battery symbol indicates that the battery has enough energy for about 30 minutes operation A black symbol means that battery charge is below minimum batteries must be recharged 9 3 Operating mode set up
21. or 220 240 Vac 50 60 Hz The calibrator if needed can be operated directly from a line source through the charger The plastic case of the battery charger incorporates the line voltage plug and a cable with connector for interconnection to the instrument The charger circuit is designed with an insulating transformer and a voltage stabilizer circuit The step down transformer reduces the power line 110 120 Vac or 220 240 Vac nominal to a value of 10 Vac The above voltage is full wave rectified filtered and stabilized The output voltage of 6 6 V is the ideal value to recharge the internal Ni MH batteries 4 9 Digital interface The digital interface circuit is essentially based on the serial communication interface subsystem SCI on the chip of the microprocessor at 0 to 5V level An adaptor to convert TTL to RS 232 voltage levels can be obtained on request 4 10 Resistance and Rtd measurements The resistance thermometer Rtd is connected to terminals A B C in a 3 wire configuration see figure on the next page Two constant current generators are provided by the auxiliary module for supplying the Rtd The first half of IC1 generates the negative current lA 0 25 mA that flows from terminal B to terminal A through the Rtd and line resistances RLA and RLB lA is kept constant by the microprocessor that controls the zero voltage level The second half of IC 1 with the associated resistors generates the positive current Ic that f
22. 0 END Example B 10 CHAR 20 IDNAME 1 30 INSTRUCTION 27 4 VALUE 2000 5 VALUE HEX VALUE 55 WHILE LEN VALUE lt 4 VALUE VALUE WEND 6 IF LEN VALUES gt 4 THEN VALUE RIGHT VALUE 4 65 DATA1 VAL amp H LEFT VALUES 2 7 DATA2 VAL amp H RIGHT VALUES 2 75 DATA3 80 DATA4 9 CHKSUM DATA1 DATA2 DATA3 DATA4 AND amp H7F 10 REM MEMORY RELEASE PREVIOUS 4 xx1 Example 4 200 4 200 MUST USE 11 REM NEXT LINE INSTEAD LINE 92 OR PROGRAM DOES NT WORK 124 REM CHKSUM DATA1 DATA2 DATA3 DATA4 AND amp HFF 136 OPEN COM1 96440 N 8 1 CD CS DS RS FOR RANDOM AS 1 149 PRINT 1 CHR IDNAME REM TRANSMIT IDNAME TO CL526 150 WHILE LOC 1 Y WEND REM WAIT RECEIVING IDNAME FROM CL526 44 169 IDNAME ASC INPUTS 1 1 REM READ RECEIVED IDNAME FROM CL526 179 PRINT 1 CHR INSTRUCTION 189 WHILE LOC 1 WEND 199 INSTRUCTION ASC INPUTS 1 1 200 PRINT 1 CHR DATA 219 WHILE LOC 1 WEND 220 CHAR ASC INPUTS 1 1 230 PRINT 1 CHR DATA2 249 WHILE LOC 1 WEND 250 CHAR ASC INPUTS 1 1 260 PRINT 1 CHR DATA3 279 WHILE LOC 1 WEND 289 CHAR ASC INPUTS 1 1 299 PRINT 1 CHR DATAS 309 WHILE LOC 1 WEND 319 CHAR ASC INPUTS 1 1 329 PRINT 1 CHR CHKSUM 330 WHILE LOC 1 WEND 349 CHAR ASC INPUTS 1 1 359 PRINT Trasmitted 399
23. 1 22 23 24 25 Ni120 OHM 22 mV 100 mV 1000 mV 10V 20 mA X scaling value OK error under over error 7 error 2 error 6 error 0 value name 2nd complement 16 bit Value Hi name 256 Value Lo name Mode Type X Mode X STO Group selected Program Volt Vbat wn Ao C gt C Ao max 19 0 1 max 7 Nao o No n max 59 I Oo C gt CC one ramp dual slope multi ramp dual slope one step one slope multi ramp one slope 100 mV 1000 mV 20 mA 400 _ 5V 10V linear square A B C n max T Program 1 Program 2 n max Program 7 Autoramp 1 Autoramp 2 Program STO 0 Group A STO 1 Group A STO 2 Group A STO 0 Group B STO n Group n max STO 2 Group T Vbat x 2 51 CHKSUM checksum DATA1 DATA2 DATAS DATA4 AND FF The above is useful to verify the integrity of transmitted and received data The minimum time out of the CL526 is 5 seconds 10 5 Computer Tx IDNAME Rx IDNAME Tx Instruction Rx Instruction Tx DATA 1 Rx char Tx DATA 2 Rx char CL526 Rx IDNAME Tx IDNAME Rx Instruction Tx Instruction Rx DATA 1 Tx char Rx DATA 2 Tx char Computer request for CL526 settings Proceed if name acknoledged If not do not answer 40 Tx DATA 3 Rx char Tx DATA 4 Rx char Tx CHKSUM Rx char z Rx DATA 3 Tx char Rx DATA 4 Tx char Rx CHKSUM Tx char The C
24. 164 x x Display 0 Lin 0 STO 0 GroupA 165 Value Hi 0 Value Lo 0 x x STO 1 GroupA 165 x x Display 1 Lin 1 STO 1 GroupA 166 Value Hi 1 Value Lo 1 x x STO 2 GroupA 166 x x Display 2 Lin 2 STO 2 GroupA 167 Value Hi 2 Value Lo 2 x X STO 0 GroupB 168 x x Display 0 Lin 0 STO O GroupB 169 Value Hi 0 Value Lo 0 x X STO 1 GroupB 169 X X Display 1 Lin 1 STO 1 GroupB 170 Value Hi 1 Value Lo 1 x x STO 2 Group B 170 x x Display 2 Lin 2 STO 2 GroupB 171 Value Hi 2 Value Lo 2 x x STO O GroupC 172 x x Display 0 Lin 0 STO 0 Group C 173 Value Hi 0 Value Lo 0 x x STO 1 GroupC 173 x x Display 1 Lin 1 STO 1GroupC 174 Value Hi 1 X ValueLo 1 x x STO 2 Group C 174 x x Display 2 Lin 2 STO 2 Group C 175 Value Hi 2 Value Lo 2 x x STO O GroupD 176 x X Display 0 Lin 0 STOOGroupD 177 Value Hi 0 Value Lo 0 x x STO 1 GroupD 177 X X Display 1 Lin 1 STO 1GroupD 178 Value Hi 1 Value Lo 1 x x STO 2 GroupD 178 x x Display 2 Lin 2 STO 2 GroupD 179 Value Hi 2 Value Lo 2 x x STO 0 GroupE 180 x x Display 0 Lin 0 STOOGroupE 181 Value Hi 0 ValueLo 0 x x STO 1 GroupE 181 X X Display 1 Lin 1 STO 1 GroupE 182 Value Hi 1 Value Lo 1 x x STO 2GroupE 182 X x Display 2 Lin 2 STO 2GroupE 183 Value Hi 2 Value Lo 2 x x STO O Group F 184 X X Display 0 Lin 0 STOOGroupF 185 Value Hi 0 ValueLo 0 x x STO 1 GroupF 185 X x Display 1 Lin 1 STO 1 GroupF 186 Value Hi 1 X Value
25. 196 197 197 198 198 199 200 201 201 202 202 203 204 205 205 206 206 207 208 209 209 210 210 211 212 213 213 214 214 215 216 217 217 218 21 219 220 221 221 222 222 223 224 225 225 226 226 227 228 229 229 230 230 231 232 233 233 234 X Value Hi 2 X Value Hi 0 X Value Hi 1 X Value Hi 2 X Value Hi 0 X Value Hi 1 X Value Hi 2 X Value Hi 0 X Value Hi 1 X Value Hi 2 X Value Hi 0 X Value Hi 1 X Value Hi 2 X Value Hi 0 X Value Hi 1 X Value Hi 2 X Value Hi 0 X Value Hi 1 X Value Hi 2 X Value Hi 0 X Value Hi 1 X Value Hi 2 X Value Hi 0 X Value Hi 1 X Value Hi 2 X Value Hi 0 X Value Hi 1 X Value Hi 2 X Value Hi 0 X Value Hi 1 X Value Lo 2 X Value Lo 0 X Value Lo 1 X Value Lo 2 X Value Lo 0 X Value Lo 1 X Value Lo 2 X Value Lo 0 X Value Lo 1 X Value Lo 2 X Value Lo 0 X Value Lo 1 X Value Lo 2 X Value Lo 0 X Value Lo 1 X Value Lo 2 X Value Lo 0 X Value Lo 1 X Value Lo 2 X Value Lo 0 X Value Lo 1 X Value Lo 2 X Value Lo 0 X Value Lo 1 X Value Lo 2 X Value Lo 0 X Value Lo 1 X Value Lo 2 X Value Lo 0 X Value Lo 1 Display 2 X Display 0 X Display 1 X Display 2 X Display 0 X Display 1 X Display
26. 2 pin 3 pin 4 pin 5 pin 6 pin 7 pin 8 Front view LINDY CINCH brown black red green green blue gray gray purple yellow blue white orange red yellow brown TTL to RS 232 adapter CL526 and a DB 25 connector that contains the electrical circuitry for the PC The basic circuit and connections are as follows 10 4 4 L 5V 10 pF 16 V TTL to RS 232 converter gt F 10 pF 16 V 5 6 2 16 10 10 yF 16 V HL 10 pF 16V ICL 232 TSC 232 gt 3 Tx BM IBM P 10 pF 16 V CL526 c D x E 2 5 Rx IBM Rx Ground Bw Communication protocol from CL526 to a PC The exchange of information when a CL526 is interconnected with a PC are as follows COMPUTER REQUEST Computer Tx IDNAME Rx IDNAME Tx Instruction Rx Instruction Tx char Rx DATA 1 Tx char Rx DATA 2 CL526 Rx IDNAME Proceed if name acknoledged Tx IDNAME If not do not answer Rx Instruction Tx Instruction Rx char Tx DATA 1 Rx char Tx DATA 2 36 Tx char Rx char Rx DATA 3 Tx DATA 3 Tx char E Rx char Rx DATA 4 Tx DATA 4 Tx char t Rx char Rx CHKSUM Tx CHKSUM IDNAME Instruction DATA 1 DATA 2 DATA 3 DATA 4 and CHKSUM are 8 bit values 1 byte Notes Instruct DATA 1 DATA 2 DATA 3 DATA 4 Actual value 24 display actual lin actual Val Hi actual Val Lo actual STO 0 GroupA
27. 2 group A point 4 memory 0 group B point5 memory 1 group B The simulation program set up procedure is now required e Press the SELECT key to obtain one of the menu pages e Press the 1 key to obtain the following indication SEL Program mt boons kao e Press the A and lt W gt keys to enter the program number required 1 to 7 e Press the 1 key to confirm the selection of the program number and to return to the indication of one of the menu pages e Press the 2 key to obtain the following indication e Press the lt A gt and W keys to select the start group memory eg A1 e Press the 2 key to confirm the start point obtaining the following indication e Press s and t keys to select the end group memory eg A2 28 e Press the lt 2 gt key to confirm the selection and to return to the menu page e Press the lt AUTORAMP gt key to obtain one of the following indications Prodr am e Select with lt A gt and lt W gt keys the required Sel program page e Press the lt AUTORAMP gt key to confirm the selection and to return to the menu page e Press the lt SELECT gt key to memory load the program and to return to the operative mode 9 3 9 4 Manual step advance To run the program with manual step advance press the lt AUTORAMP gt key obtaining the following indication as per example indicated at par 8 6 9 3 The symbol on the left of the display
28. 5 Computer request for CL5206 settings tete V V 40 10 6 COMMUNICATION programs iii 44 11 Lgs Pre zs 46 11 1 Safety TECOMMENAALIONS c 46 11 2 Faulty operating Conditions iii dc 46 11 3 Protection TUSES MEET EE 47 11 4 Storage ee pee e ete e e n ru e ea en ea Mee eee 47 1 GENERAL PERFORMANCE A complete system for testing measuring and calibrating built in a single compact portable instrument The portable calibrator CL526 is a multifunction instrument designed to meet in a modern and practical way the needs of instrumentation engineers both in laboratory and field work Accurate compact rugged easy to use the ideal solution for measuring and simulating e millivolts volts milliamperes active and passive loop ohms thermocouples resistance thermometers The CL526 has been developed using the most advanced microprocessor technology to provide high accuracy on extended ranges and a powerful operating flexibility The modular firmware includes the algorithms of thermocouples and resistance thermometers in accordance with IEC DIN standards IPTS68 and ITS90 linearization are memory stored and can be selected through the keyboard The simulation measurement of resistance and temperature with resistance thermometer uses a special proprietary active circuit An unique internal automatic Rj compensation system allows the CL526 to provide
29. 82 184 186 188 194 196 198 200 DATA 3 X X XxX X x Time Hi Start Hi Stop Hi Step Hi Lin Soak Hi 0 Time Hi Start Hi Stop Hi Step Hi Lin Soak Hi 0 LoX Hi HiX Lo DP MODE Char 1 Char 3 Display 0 Value Hi 0 Dispaly 1 Value Hi 1 Display 2 Value Hi 2 Display 0 Value Hi 0 Dispaly 1 Value Hi 1 Display 2 Value Hi 2 Display 0 Value Hi 0 Dispaly 1 Value Hi 1 Display 2 Value Hi 2 Display 0 Value Hi 0 Dispaly 1 Value Hi 1 41 DATA 4 X X Xx Xx Xx Time Lo Start Lo Stop Lo Step Lo Display Soak Lo Mode Time Lo Start Lo Stop Lo Step Lo Display Soak Lo Mode LoX Hi HiX Lo TYPE Char 1 Char 2 Char 4 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 62 CC C9 OGOTO C2C CC C1 Ea DD C CC OOC OCO 144 144 144 144 144 144 oo0ooo0oo 160 160 160 160 160 160 OGOOGO 176 176 176 176 176 176 oo0oo0oo 192 192 192 192 oooo Dis Lin STO 2 D Value STO 2 D Dis Lin STO 0 HE Value STO 0 HE Dis Lin STO 1 HE Value STO 1E Dis Lin STO 2 HE Value STO2 HE Dis Lin STO 0 HF Value STO 0 F Dis Lin STO 1 F Value STO 1 F Dis Lin STO 2 F Value STO 2 F Dis Lin STO 0 Value STO 0 Dis Lin STO 1 Value STO 17 Dis Lin STO 2 Valu
30. ALINE BATTERIES TO EXPLODE 8 2 Battery Charger The external battery charger is configured before shipment for a supply voltage of 110 120 Vac or 220 240 Vac upon order specification The nominal voltage value is indicated on the front label of the charger Check for the correct input voltage before connect it to the line 8 3 How to maximize the battery life Disconnect the ac mains supply when the battery is charged Use the battery until it is completely discharged Leaving the ac mains supply plugged in will decrease the life of the battery Keeping the battery terminal clean will help maximize the operating time Periodically wipe the positive and negative terminals with a dry cloth Removing and replacing the batteries will ensure electrical contact This should be done when using a battery that has not been used for a long time Note that the operating time decreases at low temperatures A Ni MH battery can be recharged about 500 times when used with the recommended instructions When replacing the Ni MH batteries with a new set always replace simultaneously the four pieces 23 9 OPERATION 8 APPLICATIONS 9 1 Power ON ATTENTION ALL VALUES IN THE FOLLOWING FIGURES ARE ONLY LISTED AS AN EXAMPLE During set up and load memory remember that the instructions of the manual related to key operation have the following meaning lt A gt lt B gt Press the lt A gt key and keeping the pressure on the key press then the
31. EBY DISCLAIMED LIMITATION OF LIABILITY The remedies of purchaser set forth herein ate exclusive and the total liability of OMEGA with respect to this order whether based on contract warranty negligence Indemnification strict liability or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Product s be used in or with any nuclear installation or activity medical application used on humans or misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product s in such a manner RETURN REQUESTS INQUIRIES Direct all warranty and repair requests inquiries to the OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OMEGA PURCHASER MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the return package and on any correspondence The purc
32. END 45 11 MAINTENANCE The CL526 portable calibrator has been factory tested and calibrated before shipment The calibration should be verified and re adjusted if the instrument is showing an error exceeding the declared specifications or when a critical active or passive component is replaced either at component level or at board level OMEGA will supply on request a technical reference manual with all instructions and recommendations for service and calibration OMEGA engineers will give prompt support for any requests of assistance 11 1 Safety recommendations Primary elements i e thermocouples resistance thermometers etc are normally linked to electrical potentials equal or near to the ground potential However in some applications there may be present a common mode voltage to earth Check for voltage between input terminals and ground as this voltage can be transmitted to other devices connected to the calibrator 11 2 Faulty operating conditions During start up measuring and simulation modes faulty conditions of the instrument will be announced with coded messages as follows Indicates a possible loss of data on AUTORAMP program or on the manual memories Indicates a possible loss of data on PROGRAM X Indicates a possible loss of data on AUTORAMP PROGRAM X and or on the manual memories Indicates a possible loss of calibration data Indicates a possible loss of calibration data and or
33. From From To PROG 4 127 1 216 From From To PROG 5 127 1 218 From From To PROG 6 127 1 220 From From To PROG 7 127 1 222 From PROGRAM 72 PROGRAM 0 0 RAMP 71 RAMP 0 0 SELECT GROUP 74 Group 0 0 The computer must split a 16 bit word into 2 words of 8 bit as follows Value Hi Value Lo Higher 8 bit Lower 8 bit CHKSUM DATA1 DATA2 DATA 3 DATA 4 AND 7F 43 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 Lin Value Lo 0 Lin Value Lo 1 Lin Value Lo 2 DATA 4 0 To To To To To To To 0 0 0 112 112 112 112 112 112 2 128 128 128 128 128 128 2 144 144 144 144 144 144 2 160 160 160 160 160 160 2 176 176 176 176 176 176 2 192 192 192 192 192 192 10 6 Communication programs In this paragraph are illustrated two examples of communication programs between the CL526 and an IBM or IBM compatible PC Example A data transfer from CL526 to PC Set IDNAME 1 and BAUD RATE 9600 on CL526 see chapter 8 6 Connect CL526 through adapter BB530001 TTL RS232 converter to personal computer communication port COM1 Set CL526 in mA measurement IN Run the program and you will see on the c
34. L526 receives and verifies CHKSUM when not valid it does not accept the transmitted data Each PC instruction for operative mode request must be followed by the CHECSUM recalculation Instruction 47 with the pertinent A and B values as per the table below Notes Set In Set display Set value Start ramp Start ramp TIME RAMP 1 START RAMP 1 STOP RAMP 1 STEP RAMP 1 Lin Dis RAMP 1 SOAK RAMP 1 MODE RAMP 1 TIME RAMP 2 START RAMP 2 STOP RAMP 2 STEP RAMP 2 Lin Dis RAMP 2 SOAK RAMP 2 MODE RAMP 2 LoX HiX DP TYPE MODE Char 1 Char 1 Char 2 Char 3 Char 4 Dis Lin STO 0 HA Value STO 0 ZA Dis Lin STO1 A Value STO 1 A Dis Lin STO 2 HA Value STO2 A Dis Lin STO 0 B Value STO 0 ZB Dis Lin STO1 HB Value STO 1 HB Dis Lin STO 2 4B Value STO 2 ZB Dis Lin STO 0 4C Value STO 0 ZC Dis Lin STO 1 4C Value STO 1 C Dis Lin STO 2 HC Value STO 2 HC Dis Lin STO 0 4D Value STO 0 4D Dis Lin STO 1 4D Value STO 1 D Instr 25 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 DATA 1 Lin actual Display actual Value Hi Out X X OcOOOoOocoococo O GODO CCX CI CI OcOOOoocoocococo O OCTO OOC CC oo0ooo DATA 2 x x Value Lo Out 146 148 150 152 154 156 162 164 166 168 170 172 178 180 1
35. Lo 1 x x STO 2 Group F 186 x x Display 2 Lin 2 STO 2 Group F 187 Value Hi 2 ValueLo 2 x x STO 0 Group G 188 x x Display 0 Lin 0 STOO Group G 189 Value Hi 0 Value Lo 0 x x STO 1 GroupG 189 x X Display 1 Lin 1 STO 1 GroupG 190 Value Hi 1 X ValueLo 1 x x STO 2 Group G 190 x x Display 2 Lin 2 STO 2GroupG 191 Value Hi 2 Value Lo 2 x x STO 0 Group H 192 X x Display 0 Lin 0 STO 0 Group H 193 Value Hi 0 Value Lo 0 x X STO 1 GroupH 193 X X Display 1 Lin 1 STO 1 GroupH 194 Value Hi 1 X ValueLo 1 x x 37 STO 2 Group H STO 2 Group H STO 0 Group STO 0 Group STO 1 Group STO 1 Group STO 2 Group STO 2 Group STO 0 Group J STO 0 Group J STO 1 Group J STO 1 Group J STO 2 Group J STO 2 Group J STO 0 Group K STO 0 Group K STO 1 Group K STO 1 Group K STO 2 Group K STO 2 Group K STO 0 Group L STO 0 Group L STO 1 Group L STO 1 Group L STO 2 Group L STO 2 Group L STO 0 Group M STO 0 Group M STO 1 Group M STO 1 Group M STO 2 Group M STO 2 Group M STO 0 Group N STO 0 Group N STO 1 Group N STO 1 Group N STO 2 Group N STO 2 Group N STO 0 Group O STO 0 Group O STO 1 Group O STO 1 Group O STO 2 Group O STO 2 Group O STO 0 Group P STO 0 Group P STO 1 Group P STO 1 Group P STO 2 Group P STO 2 Group P STO 0 Group Q STO 0 Group Q STO 1 Group Q STO 1 Group Q STO 2 Group Q STO 2 Group Q STO 0 Group R STO 0 Group R STO 1 Group R STO 1 Group R 194 195
36. To select the required operating mode follow the procedures indicated below 24 9 3 1 IN OUT mode selection e Press the ON key to power the instrument e After diagnostic routine the calibrator will be forced into the IN function with the active parameter previously selected i e with the indication of a measured value of 1032 C with thermocouple type K e Open input terminals will cause a fluctuation of the reading up to Underflow or Overflow conditions e To select the simulation mode press the lt IN OUT gt key the indication will be for example relative to a simulated value of 0 C for a thermocouple type K e The output value can be programmed using the two membrane slidewires lt A gt and lt W gt keys e Keep the key pressed to cause a continuous variation of the simulated value the speed of variation will change by moving the pressure to the extremity of the keys e By touching a point near the two central zones the value will increase or decrease by one single digit e Press simultaneously lt A gt and lt W gt cursor slidewires to set the simulated value to zero 9 3 2 Parameter or sensor selection To select the electrical parameter or the sensor required by the application in any measuring or simulation mode follow the procedure indicated below e Switch the instrument ON e Press the SELECT key the display will show one of the following menu pages e Press lt
37. V 0 0 mV 0 00 mV 0 000 mV Decimal conversion is not possible for the mA mode always with three decimal points 9 3 5 International Temperature Scale The memory of the instrument stores both linearisations of the old International Practical Temperature Scale of 1968 IPTS68 and the new International Temperature Scale of 1990 ITS90 The active linearisation is indicated on the right side of the display as follows IPTS 68 E IPTS 90 e The change from one scale to the other is possible directly from the keyboard e Press lt SHIFT gt lt ITS gt keys 9 3 6 Rj mode The instrument can operate with an internal automatic cold junction Rj compensation or a remote programmable from 50 to 100 C The active Rj compensation mode is indicated on the right side of the display as follows internal automatic WB external programmable e To change the reference junction Rj compensation mode press lt SHIFT gt lt Rj gt keys 9 3 7 Convert function The convert function allows readings of the electrical signal equivalent to the technical unit indication Can be used in both IN or OUT mode for thermocouples resistance thermometers and x scaling 26 e To convert the type of indication with the instrument operative in any of the above indicated modes press lt SHIFT gt lt CONVERT gt keys obtaining for example the following indications Qut 100 4 e To return in technical unit indication press the
38. accurate input and output readings over wide operating conditions with a temperature range from 5 C to 50 C Further external compensation is available with temperature adjustable from 50 C to 100 C The selection of operating functions is made on a polycarbonate thermoformed membrane keyboard which assures up to one million operations per key Two thick film membrane slidewires are used to set the simulated signal value Measured and simulated values are indicated on a high quality LCD dot matrix display which provides good contrast even in poor light conditions A menu driven procedure allows for the generation of up to 60 memory stored values or for continuous or step ramp values The instrument carries out mathematical functions for averaging unstable input signals and in combination with scale factor square root calculation The case made in shock resistant ABS is ergonomically designed for easy practical use The instrument is powered by four Ni MH rechargeable batteries an external battery charger is supplied as a standard accessory 1 1 Specifications IN OUT parameters mV V mA Q Tc type J K T R S B N C E F U L G D Rtd type Pt100 Ni100 and Ni120 Reference junction compensation automatic internal with Pt100 sensor from 5 C to 50 C external with manual setting from 50 C to 100 C Rj compensation drift 0 015 C C Rj compensation error 0 15 C In Out ranges
39. al Computer 10 1 Digital interface data program mode e Toenter the procedure press the ENTER ON keys The display will indicate e To enter the program mode press the 2 key Baud Este 192058 The numerical value of the baud rate can be one of the following 19200 9600 4800 2400 1200 600 300 e Select with the A or lt W gt key the baud rate used by the receiver unit and transmission lines e Press the 2 key to memory load the baud rate e The display will indicate ib Hame The number represents the address code assigned to the instrument e Press the lt A gt or lt W gt key to select a number from 00 to 99 e Press the 2 key to memory load the programmed value e The display will return to the original indication e To exit the procedure press the OFF key 10 2 Digital output wiring practice The wiring to the digital output signals is made through a mini DIN connector mounted on the lower end of the case The pertinent connections are indicated below ground ground Female miniDIN connector case mounted external view For easy interconnections a miniDIN connector with cable cat EE420123 con be supplied on request The conductors color codes can change with different supplier please check before using 35 10 3 The cat BB530001 TTL to RS232 adaptor consists of a cable to which are connected a male mini DIN connector for the pin 1 pin
40. ase are joined together by four metal screws located on the back side The leather case with shoulder strap assures better protection of the instrument against mechanical knocks or scratches 12 4 FUNCTIONAL DESCRIPTION The CL526 portable calibrator block diagram is shown below External battery Ni MH charger Batteries Converters for Power suppl Reference backligh ppy junction Rj signals Display D A Microprocessor converter Digital interface Keyboard 1 output signal output signal IN OUT Comparator Gain Control and buffer On N OUT terminals power supply microprocessor central unit memory input circuit cold junction compensator Rj LCD display operative keyboard digital to analog converter 4 1 Power supply The instrument is powered if not otherwise specified with the order by four internal batteries that can be recharged through an external charger module supplied as a standard accessory The internal batteries are Ni MH rechargeable AA type with a nominal voltage of 1 25 V The jumper J1 mounted on the mother board when soldered into the B position allows the instrument to be powered by the four internal rechargeable batteries or if needed directly from the power line The voltage of the four batteries in series approximately 5V is connected to the input of a hybrid circuit Pressing the lt ON gt key will provide th
41. ctice TTE 20 Thermocouple Wires iii 21 POWER SUPPLY __ _ _ _ _3 ___ 3 23 M M 23 Battery Charger 23 How to maximize the battery life 2I I 23 OPERATION amp APPLICATIONS 0 0 sccccesesscceensscceeensccceeensececeenscceesesesceesnscecensssecsterseseecessnnsaees 24 Power ON pcia Battery voltage indication vercion do A a Operating mode dic IN OUT mode selection Parameter 25 iTecnical M 26 Decimal point pOSItion 2 5 5 1 a a ip das 26 International Temperature 26 ineo DT CIE RETURN E EE 26 CONVETETUNCtON m 26 Average readings nte nre ite E onte SU Ure ER Esz esse ee 27 IN OUT data coni ERE 27 _ __ _ _ _ _ _ _ _ _ _ _ _ 27 Data memory manual recall
42. ction internal external selection lt A gt V Membrane slidewires to set the simulation value to scroll the menu of input tables and library of engineering characters STORE Memory load lt gt 3 Parameter selection or decimal point position START Low limit setting of the simulation cycle END High limit setting of the simulation cycle STEP Step value setting of the simulation cycle MODE Simulation cycle mode selection SOAK Soak time setting of the simulation cycle TIME Total time setting of the simulation cycle 0 1 2 In Out memories C F Technical unit selection SELECT Parameter selection procedure AVERAGE Average measurements IN OUT In Out mode selection CONVERT Technical unit to equivalent electrical signal AUTORAMP Ramp program start PROGRAM X Scale factor program BATTERY Battery voltage indication ENTER Memory load key SHIFT Key secondary function LAMP Display backlight switch special only on request 4 3 Input circuit The input circuit is based on an output buffer wired as an error amplifier The input signal drives the negative channel of the integrated circuit 14 The microprocessor recognizes if the D A converter is generating a voltage signal higher or lower than the input signal and gives correcting instructions to keep the input amplifier output on the nearest value to zero In the above conditions the microprocessor acknowledges the value of the input signal as equivalent to the settin
43. d for temperature measurement or simulation with thermocouples e During both simulation or measuring mode to check the type of reference junction mode previously installed press the lt SELECT gt key to enter the type of sensor or parameter selection menu page e Press the lt IN OUT gt key to obtain the following indication The above reading indicates that the instrument is preset with an internal automatic reference junction compensation The temperature indication is the value measured by the precision thin film resistance thermometer placed inside the In Out terminal If instead of the code int the indication 31 is displayed it means that an external reference junction compensation has been selected for a temperature of 0 0 C programmable from 50 C to 100 C The reference junction compensation mode can be reprogrammed as indicated in par 8 5 6 The external reference junction compensation value can be programmed as indicated in par 8 5 13 2 9 3 12 Scale factor program The scale factor mode is a method to read or to simulate electrical signals values in terms of engineering units The example explains the procedure of installing the scale factor function for the calibration of a potentiometric recorder with a scale from 0 0 mbar to 400 0 mbar corresponding to the required electrical linear input signal e Press lt SHIFT gt PROGRAM X gt keys to enter the Scale Factor set up procedure The display w
44. data etc 4 6 Digital display The digital display mounted on an auxiliary board uses high contrast LCD technology STN liquid Character generation is made by a secondary dedicated microprocessor driven by two integrated circuits with signal input from the bus of the main microprocessor The 16 characters are displayed with a 7x5 dot matrix On request CL526 can be equipped with a backlight device for easy readings in poor light conditions 4 7 Digital to analog converter A 14 bit digital to analog device driven directly by the microprocessor converts the digital value of the selected parameter into an analog current output The current signal is converted into a voltage signal across a resistance strip network Two low thermal emf relays select one of the four available output points as a function of the selected range The ranges are 18 to 22 mV Tc type R S B T and the negative portion of all Tc s 02 to 54 mV all other thermocouples 0 2 to 100 1 mV 100 mV range and Rtd 2 to 1001 mV 1000 mV range and 0 20 mA range 0 02 to 10 010 V 10 V range The above signal through an output buffer is sent to an integrated circuit that will generate the voltage or current requested by the operator keyboard settings 15 x 1000 multipl 4 8 Battery charger Operation from line source ATTENTION ONLY FOR USE WITH Ni MH BATTERIES The auxiliary module supplied as a standard accessory allows operation from 110 120 Vac
45. e STO 2 Dis Lin STO 0 HH Value STO 0 H Dis Lin STO 1 H Value STO 1 H Dis Lin STO 2 HH Value STO 2 HH Dis Lin STO 0 7l Value STO O fl Dis Lin STO 1 7l Value STO 1 l Dis Lin STO 2 l Value STO 2 l Dis Lin STO 0 J Value STO 0 J Dis Lin STO 1 J Value STO 1 J Dis Lin STO 2 J Value STO 2 J Dis Lin STO 0 K Value STO 0 K Dis Lin STO 1 K Value STO 1 K Dis Lin STO 2 K Value STO 2 K Dis Lin STO 0 L Value STO 0 HL Dis Lin STO 1 L Value STO 1 L Dis Lin STO 2 HL Value STO 2 HL Dis Lin STO 0 M Value STO 0 M Dis Lin STO 1 M Value STO 1 M Dis Lin STO 2 M Value STO 2 M Dis Lin STO 0 HN Value STO 0 ZN Dis Lin STO 1 N Value STO 1 N 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 127 oo X o 2X 2 ik ik IX l3 2 ol lol X A 2 2 X lol O OGOOGO OO0O0OO0OOOoO aaa Display 2 Value Hi 2 Display 0 Value Hi 0 Dispaly 1 Value Hi 1 Display 2 Value Hi 2 Display 0 Value Hi 0 Dispaly 1 Value Hi 1 Display 2 Value Hi 2 Display 0 Value Hi 0 Dispaly 1 Value Hi 1 Display 2 Value Hi 2 Display
46. e two levels of voltage for the circuitry of the instrument 5V 6 for logic and analog circuits 5V for analog circuits The second section on the power supply circuit is configured as a voltage multiplier generating for the final output stage a voltage of 24V dc The above voltage levels are required to work with an external resistance of 10000 maximum when in current simulation mode 20 mA 20 V During operative modes other than current simulation a diode de energizes the hybrid circuit reducing the overall power consumption Recommendations and instructions to convert the instrument for a power supply with normal alkaline batteries are described in par 8 3 4 2 Keyboard The front panel is a tactile polycarbonate membrane keyboard and has a working life of one million operations per key The contact closure of the membrane keyboard is acknowledged as a coded signal by the microprocessor that recognizes the operators instructions Keys are interconnected on a 4x3 matrix the microprocessor identifies directly the active key The values of the lt A gt and lt W gt keys membrane slidewires are acknowledged through the converters built in the microprocessor chip 13 IIIIIIIIIIIIIII 0M OFF 890 168 ITS v 1 CONVERT AVER AGE TIME AUTO IN OUT RAMP PROGRAMX f y SA CL526 CEOMEGA ON Power ON switch OFF Power OFF switch IPTS68 ITS90 Temperature Scale selection Rj Reference jun
47. e wires together and noting that the indicator reading increases when the wires connection is heated Color codes of compensating cables change in different countries Check the appropriate table For Rtd connection use a cable of adequate gauge to lower the overall input resistance The use of a cable with a good resistance balance between conductors is also necessary Table A Colour code polarity for extension wires Thermocouple Wires Colour code E Chromel Chromel Purple Constantan Constantan Red Iron White bed nia 2 Chromel Yellow Copper Black S RN Pt 10 Copper Black s Platinum Red Iron Constantan Chromel Alumel Pt 13 Platinum Copper Blue Constantan Red Copper Nicrosil Orange Constantan Pt 6 Pt 30 Nicrosil N Nisil 7 1 Wiring practice Although the CL526 portable calibrator is designed to be insensitive to transients or noise the following recommendations should be followed to reduce ac pick up in the signal leads and to ensure good performance The input leads should not be run near ac line wiring transformers and heating elements Input output leads should if possible be twisted and shielded with the shield grounded at the end of the cable When shielded cables are used the shield must be connected to the positive terminal Above figure shows some examples of input output wiring and connections 20 Examples of input output wiring and connections MEASURE CH1 SIMULATION
48. eries The CL526 portable calibrator is powered by four built in rechargeable batteries The instrument is shipped with an average level of charge After unpacking a full charge of the batteries is recommended connect the instrument to the charger module OFF condition for a period of 10 hours minimum The Ni MH rechargeable batteries do not suffer when used in cyclic operations Cyclic operation is understood as a method of operation by which the battery is continually charged and discharged Note that a battery at its lower limit of discharge risks a non uniform cell polarization this condition makes it difficult to recharge with the charger supplied Avoid leaving the instrument with batteries totally or partially discharged for a long time without recharging To charge the batteries use only the original supplied charging module The module incorporates protection and current limiting devices not normally found in other commercial chargers e When the CL526 is connected to the battery charger module by pressing keys lt SHIFT gt BATTERY the following indication will be displayed Line OF If a numeric value appears it indicates that the charger is probably faulty Replace the battery charger module if the indication persists contact OMEGA Technical Assistance Dept WARNING AVOID USING ALKALINE BATTERIES ON AN INSTRUMENT SET FOR Ni MH RECHARGEABLE BATTERIES THIS IS EXTREMELY DANGEROUS AS IT COULD CAUSE THE ALK
49. ete USER GUIDE providing step by step instructions to operate the instrument in each of its designed functions OMEGA has used the best care and efforts in preparing this book and believes the information in this publication are accurate The OMEGA products are subjected to continuous improvement in order to pursue the technological leadership these improvements could require changes to the information of this book OMEGA reserves the right to change such information without notice No part of this document may be stored in a retrieval system or transmitted in any form electronic or mechanical without prior written permission of OMEGA Engeneering CL526 multifunction portable calibrator uses sophisticated analogic and digital technologies Any maintenance operation must be carried out by qualified personnel ONLY We recommend to contact our technicians for any support requirements The instrument is supplied by a Ni MH rechargeable battery pack or by 100 115 230V 10 50 60Hz line supply using the special power supply module provided with the CL526 when the rechargeable battery is ordered CL526 is fully tested in conformity with the directive n89 336 CEE Electromagnetic Compatibility OMEGA shall not be liable in any event technical and publishing error or omissions for any incidental and consequential damages in connection with or arising out of the use of this book 1 2 1 2 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10
50. g 0 4 C 32 to 4172 F 572 to 3632 F 0 1 0 02 of rdg 0 72 F Tc type U 200 to 400 C 150 to 400 C 0 1 C 0 02 of rdg 0 1 C 328 to 752 F 238 to 752 F 0 1 F 0 02 of rdg 0 18 F TctypeL 200 to 760 C 200 to 760 C 0 1 C 0 02 of rdg 0 1 C 328 to 1400 F 328 to 1400 F 0 1 0 02 of rdg 0 18 F Tc type N 0 to 1300 C 0 to 1300 C 0 1 C 0 02 of rdg 0 1 C 32 to 2372 C 32 to 2372 0 1 0 02 of rdg 0 18 F Tc type E 270 to 1000 C 200 to 1000 C 0 1 C 0 02 of rdg 0 1 C 454 to 1832 F 328 to 1832 F 0 1F 0 02 of rdg 0 18 F Tc type F 0 to 1400 C 0 to 1400 C 0 1 C 0 02 of rdg 0 1 C 32 to 2552 F 32 to 2552 F 0 1F 0 02 of rdg 0 18 F Pt 100 IEC 200 to 850 C 200 to 850 C 0 1 C 0 02 of rdg 0 1 C 328 to 1562 F 328 to 1562 F 0 1 F 0 02 of rdg 0 18 F Pt100 JIS 200 to 600 C 200 to 600 C 0 1 C 0 02 of rdg 0 1 C 328 to 1562 F 328 to 1562 F 0 1 F 0 02 of rdg 0 18 F Pt100 US 200 to 850 C 200 to 850 C 0 1 C 0 02 of rdg 0 1 C 328 to 1562 F 328 to 1562 F 0 1 F 0 02 of rdg 0 18 F Ni100 60 to 180 C 60 to 180 C 0 1 C 0 02 of rdg 0 1 C 76 to 356 F 0 1 F 0 02 of rdg 0 18 F Ni120 0 to 150 C 0 to 150 C 0 1 C 0 02 of rdg 0 1 C 32 to 302 F 32 to 302 F 0 1F 0 02 of rdg 0 18 F mV 18 000 to 22 000 10 000 to 22 000 1 yv 0 01 of rdg 3uV mV 10 00 to 100 00 10 000 to 21 000 10 pV
51. g of the digital to analog converter Ouput buffer input amplifier 4 4 Microprocessor The microprocessor handles all the logic functions of the instrument performs the linearization for non linear transducers compensates for the reference junction temperature drives the digital display and acknowledges all operator instructions The heart of the circuit is a single chip microcomputer that utilizes HCMOS technology to provide the low power characteristics and high noise immunity of CMOS plus the high speed operation of HMOS The microcomputer provides highly sophisticated on chip peripheral functions including 256 bytes of static RAM an 8 channel analog to digital A D converter used to read the Rj value the setting of the input comparator the battery package voltage and the value of the two membrane slidewires a serial communication interface SCI subsystem and a serial peripheral interface SPI subsystem The microprocessor works with an 8 bit communication bus to the EPROM and EEPROM memories and is interfaced with a decoder a latch of address and an inverter driver 4 5 Firmware The operating system firmware handles all logic instructions to the internal peripheral circuits and performs the computation of the linearization equations The application system firmware is resident on the non volatile memory EEPROM of the microprocessor chip It is used to store the installation parameters autocalibration data programs
52. haser is responsible for shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please has the FOR NON WARRANTY REPAIRS consult OMEGA for following information available BEFORE contacting current repair charges Have the following information OMEGA available BEFORE contacting OMEGA 1 P O number under which the product was 1 P O number to cover the COST of the repair PURCHASED 2 Model and serial number of product and 2 Model and serial number of the product under 3 Repair instructions and or specific problems relative to warranty and the product 3 Repair instructions and or specific problems relative to the product OMEGASs policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC C Copyright 1999 OMEGA ENGINEERING INC All rights reserved This document may not be copied photocopied reproduced translated or reduced to any electronic medium or machine readable form in whole or in part without prior written consent of OMEGA ENGINEERING INC 49 Where Do I Find Everything I Need for Process Measurement and Control M 3254 1003 OMEGA Of Course TEMPERATURE M Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies M Wire Thermocouple RTD amp Thermistor VI Calibrator
53. ill indicate the low end of the scale eg in mbar e Press one of the lt 4 gt or lt b gt keys if a decimal point shift is required e Press the lt A gt or lt W gt keys to adjust to the required value e Press the lt ENTER gt key to load in the memory the value and to advance the program one step the display will indicate the full scale value of the technical unit eg mbar e Press the lt A gt or lt W gt keys to adjust the full scale value e Press the lt ENTER gt key to load in the memory the value the display will indicate one of the menu pages as follows e Select through A or lt W gt keys the required page and e press the ENTER key to memory load the needed parameter The display will indicate one of the two following pages e Press the A or lt W gt key to select the required page e Press the ENTER key to memory load the selection e The program will advance to the next step with the indication or from a previous set up eg This procedure allows the setting of four alphanumeric characters as a symbol of the measured or simulated parameter Y Library of characters 9 I a fia n ES hi m wd n ti i Ez 1 E El iT T 1 E E A e a a 1 al r1 ri E 52 E A rm i e By pressing keys lt gt
54. istance Ra precision 0 01 will generate a voltage drop that will be amplified and sent to the D A converter The output amplifier will simulate the variation of the output resistance as a function of the value set by the operator through the keyboard The connection between and terminals must be left open Instrument to be calibrated 4 12 Thermocouples input output circuit A thermocouple a temperature sensor in its most common form consists of two wires of different composition joined together at one end The two wires are joined together at two points which have different temperatures Tc wires Reference Junction emf V Copper wires Measuring junction The reference junction is also often butless preferably called the cold junction The temperature of the reference junction can be held constant or its variation electrically compensated in the associated measuring instrumentation The second junction is the measuring junction or hot junction A thermocouple is a practical tool for temperature sensing because it generates a measurable electrical signal The signal is proportional to the temperature difference between the measuring and reference junctions and is defined by means of tables based on the International Practical Temperature Scales IPTS68 or ITS90 The portable calibrator CL526 has the reference junction located in the negative black terminal post To improve overall accuracy the te
55. lay 0 Value STOO O 127 1 116 Value Hi 0 Dis Lin STO 1 ZO 127 1 118 Dispaly 1 Value STO 1 0 127 1 120 Value Hi 1 Dis Lin STO 2 ZO 127 1 122 Display 2 Value STO2ZO 127 1 124 Value Hi 2 Dis Lin STOO ZP 127 1 130 Display 0 Value STOO P 127 1 132 Value Hi 0 Dis Lin STO 1 ZP 127 1 134 Dispaly 1 Value STO 1HP 127 1 136 Value Hi 1 Dis Lin STO 2 2P 127 1 138 Display 2 Value STO2ZP 127 1 140 Value Hi 2 Dis Lin STOO Q 127 1 146 Display 0 Value STOO Q 127 1 148 Value Hi 0 Dis Lin STO 1 ZQ 127 1 150 Dispaly 1 Value STO 1 Q 127 1 152 Value Hi 1 Dis Lin STO2 Q 127 1 154 Display 2 Value STO2 Q 127 1 156 Value Hi 2 Dis Lin STO 0 ZR 127 1 162 Display 0 Value STOOZR 127 1 164 Value Hi 0 Dis Lin STO 1 ZR 127 1 166 Dispaly 1 Value STO 1 R 127 1 168 Value Hi 1 Dis Lin STO 2 ZR 127 1 170 Display 2 Value STO2ZR 127 1 172 Value Hi 2 Dis Lin STOO Z8 127 1 178 Display 0 Value STOO S 127 1 180 Value Hi 0 Dis Lin STO 128 127 1 182 Dispaly 1 Value STO 1 5 127 1 184 Value Hi 1 Dis Lin STO 2 S 127 1 186 Display 2 Value STO2ZS 127 1 188 Value Hi 2 Dis Lin STO O ZT 127 1 194 Display 0 Value STOOZT 127 1 196 Value Hi 0 Dis Lin STO 1 ZT 127 1 198 Dispaly 1 Value STO 1 T 127 1 200 Value Hi 1 Dis Lin STO 2 2T 127 1 202 Display 2 Value STO2ZT 127 1 204 Value Hi 2 Notes Instr DATA 1 DATA2 DATA 3 CHKSUM recalc 47 A B 0 From To PROG 1 127 1 210 From From ToPROG 2 127 1 212 From From To PROG 3 127 1 214
56. lows from terminal C to terminal B through line resistances RLC and RLB Current lc is kept exactly 2 x lA so the resultant current Ip Ic la flows through RLB The input measured signal across terminals A and B is the algebraic sum of drop voltages across Rtd and line resistances RLA and RLB As drop voltages across RLA and RLB are exactly the same providing that line resistances RLA and RLB are equals but with opposite poles the resultant voltage across terminals A and B is proportional to Rtd resistance variation with no influence of line resistance The measured signal is then handled by the microprocessor that linearizes it and displays the corresponding value in engineering units IA 0 25 mA IB IC IA 0 25 mA 16 4 11 Resistance and Rtd simulation CL526 portable calibrator is equipped with an electronic circuit for the active simulation of platinum and nickel resistance thermometers and resistances lt is based on the assumption that the instrument to be calibrated will supply the excitation current to the sensor this current must be between 0 2 and 5 mA typical working values A lower value will generate an insufficient precision level and a higher current won t permit the simulation of high resistance values maximum voltage drop on the simulated resistance is 2 V The excitation current must be applied to the pertinent terminals as indicated in par 7 1 simulation That current flowing through res
57. mer Service Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing operation outside of design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of being damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA s control Components which wear are not warranted including but not limited to contact points fuses and triacs OMEGA is pleased to offer suggestions on the use of its various products However OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA either verbal or written OMEGA warrants only that the parts manufactured by it will be as specified and free of defects OMEGA MAKES NO OTHER WAR RANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESSEO OR IMPUED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABIUTY AND RTNESS FOR A PARTICULAR PURPOSE ARE HER
58. nvironment temperature range from 5 C to 50 C Storage temperature range from 30 C to 60 C Case ABS with internal metal coating Dimensions 120x60x230 mm Weights net 1 Kg gross with packing 2 5 Kg 1 2 1 Table of ranges and accuracy Sensor or Total range High accuracy Resolution Limit of error parameter range Tc type J 210 to 1200 C 190 to 1200 C 0 1 C 0 02 of rdg 0 1 C 346 to 2192 F 310 to 2192 F 0 1 F 0 02 of rdg 0 18 F Tc type K 270 to 1370 C 150 to 1300 C 0 1 C 0 02 of rdg 0 1 C 454 to 2498 F 220 to 2372 F 0 1F 0 02 of rdg 0 18 F Tc type T 270 to 400 C 150 to 400 C 0 1 C 0 02 of rdg 0 1 C 454 to 752 F 202 to 752 F 0 1 F 0 02 of rdg 0 18 F Tc type R 0 to 1760 C 500 to 1700 C 0 1 C 0 02 of rdg 0 3 C 32 to 3200 F 932 to 3092 F 0 1 0 02 of rdg 0 154 F Tctype S 0 to 1760 C 600 to 1760 C 0 1 C 0 02 of rdg 0 3 C 32 to 3200 F 1112 to 3200 F 0 1F 0 02 of rdg 0 154 F Tc type B 200 to 1820 C 1000 to 1820 C 0 1 C 0 02 of rdg 0 4 C 392 to 3308 F 1832 to 3308 F 0 1 F 0 02 of rdg 0 172 F Tc type C 0 to 2300 C 1150 to 2300 C 0 1 C 0 02 of rdg 0 4 C 32 to 4172 F 2102 to 4172 F 0 1F 0 02 of rdg 0 172 F Tc type G 0 to 2300 C 300 to 2000 C 0 1 C 0 02 of rdg 0 4 C 32 to 4172 F 572 to 3632 F 1F 0 02 of rdg 0 172 F Tc type D 0 to 2300 C 300 to 2000 C 0 1 C 0 02 of rd
59. omputer screen the actual reading value once Example B PC instructions to CL526 Set IDNAME 1 and BAUD RATE 9600 on CL526 see chapter 8 6 Connect CL526 through adapter BB530001 TTL RS232 converter to personal computer communication port COMA Set the CL526 for current OUT mode run the program and CL526 will be set automatically to 20mA Example A 10 CHAR 20 IDNAME 1 30 INSTRUCTION 24 35 OPEN COM1 9644 N 8 1 CD CS DS RS FOR RANDOM AS 1 40 PRINT 1 CHR IDNAME REM TRANSMIT IDNAME TO CL526 5 WHILE LOC 1 WEND REM WAIT RECEIVING IDNAME FROM CL526 60 IDNAME ASC INPUTS 1 1 REM READ RECEIVED IDNAME FROM CL526 7 PRINT 1 CHR INSTRUCTION 80 WHILE LOC 1 WEND 99 INSTRUCTION ASC INPUTS 1 1 100 PRINT 1 CHR CHAR 110 WHILE LOC 1 WEND 120 DATA 1 ASC INPUTS 1 1 139 PRINT 1 CHR CHAR 149 WHILE LOC 1 WEND 15 DATA 2 ASC INPUTS 1 1 160 PRINT 1 CHR CHAR 170 WHILE LOC 1 WEND 18 DATA 3 ASC INPUTS 1 1 199 PRINT 1 CHR CHAR 2000 WHILE LOC 1 Y WEND 219 DATA 4 ASC INPUTS 1 1 229 PRINT 1 CHR CHAR 2310 WHILE LOC 1 WEND 24 CHKSUM ASC INPUTS 1 1 250 IF CHKSUM lt gt DATA1 DATA2 DATA3 DATA4 AND amp HFF THEN PRINT Error END 26 VALUE DATA3 256 DATA4 270 IL VALUE gt 32767 THEN VALUE VALUE 65536 REM 2 S COMPLEMENT 280 PRINT VALUE VALUE 199 29
60. only to obtain direct readings of flow from a dP transmitter signal The display limits are O and 2500 2 8 Average measurements For the measurement of unstable input signals by a progressive averaging of a programmable number of conversions 2 9 Simulation programs Menu driven set up to generate 10 e acontinuous or step ramp output where the total time the start point the end point and the size of the step are requested by the set up procedure to run the program e amanual repeat increment through keyboard e anautomatic sequence of up to 60 stored values 20 groups of 3 memories 2 10 Case The case is designed for easy hand held operation and transportation The body is injection moulded shock resistant ABS with internal metal coating A leather carrying case with shoulder strap is supplied with the instrument as a standard accessory 11 3 PHYSICAL DESCRIPTION The CL526 portable calibrator consists of a rugged and compact case a mother board with all base functions a daughter board for the auxiliary functions a tactile membrane keyboard an LCD display and a group of four nickel cadmium rechargeable batteries The internal surface of the case is metal coated to improve the characteristics of electrical noise shielding and thermal equalization of all internal circuits The battery container is located on the lower part of the case and is accessible through a cover fastened by a metal screw The two halves of the c
61. or lt P gt the needed character identified by being underlined will be activated e Press A or lt W gt keys to scroll the internal library of characters and symbols and select the pertinent one i e by a proper setting you can obtain words as indicated below If the application does not require a dedicated symbol but the display of the electrical parameter i e mV mA Q recall on the display the four blank spaces e With a random display indication remember that the four blank spaces will be settable through single digit setting by pressing the lt W gt key on its higher side for a few seconds e Press the ENTER key to load in the memory the symbol e The scale factor mode will be activated as follows e Press the SELECT key to obtain one of the menu pages e Move the flashing cursor to the X scaling position 33 e Press the lt ENTER gt key to memory load the selection e The display will indicate the scaled input output value bar 9 3 13 Installation parameter procedure e Toenter this procedure press the ENTER ON keys e The display will indicate as shown below the indicated numerical value is only an example e To exit from the procedure in any of the following steps switch the instrument Off 9 3 13 1 Firmware version code Serial number From the above step of the procedure it is possible to view the software version code e Press the lt IN OUT gt key to obtain
62. power voltage follow the instructions in par 8 2 Before using the instrument carefully verify the nominal voltage value of the charger in case of modification do not forget to correct the pertinent label The instrument should be used in environments where the temperature does not exceed the specified limits from 5 C to 50 C and where the relative humidity is lower than 95 In case of low battery condition voltage lower than 4 6 V the display will show the appropriate symbol An empty symbol means that the battery package has enough energy for about 30 minutes operation A black symbol means that batteries charge is below the minimum acceptable level operation of the instrument is no longer possible In this condition the instrument batteries must be recharged WARNING THE INSTRUMENT IS SUPPLIED WITH Ni MH RECHARGEABLE BATTERIES DO NOT USE NORMAL ALKALINE BATTERIES ALKALINE BATTERIES WHEN CONNECTED TO A DC VOLTAGE SUPPLY UNDERTAKE AN OVERHEATING PROCESS WITH A RISK OF EXPLOSION 19 7 ELECTRICAL CONNECTIONS Appropriate extension wires should be used between the thermocouple or instrument under calibration and the CL526 unless the thermocouple leads permit direct connection Make sure that both thermocouple and compensating cable are connected with the correct polarity If in doubt the polarity of the compensating leads can be checked by connecting a length of lead to the indicator shorting the free ends of th
63. re 34 International Temperature Scale 26 INTRODUCTORY NOTE 3 48 INDEX K Keyboard 10 13 M MAINTENANCE 46 Manual step advance 29 Microprocessor 15 0 Operating mode set up 24 OPERATION amp APPLICATIONS 24 P Parameter or sensor selection 25 PHYSICAL DESCRIPTION 12 Power ON 24 Power supply 13 POWER SUPPLY 23 PRE OPERATIONAL CHECK 19 Protection fuses 47 R Rechargeable batteries 23 Resistance and Rtd measurements 16 Resistance and Rtd simulation 17 Rj compensation mode check 31 Rj mode 26 S Safety recommendations 46 Scale factor function 10 Scale factor program 32 Self calibration 10 Simulation cycle 31 Simulation cycle selection 29 Simulation programs 10 Specifications 7 Square root function 10 Storage 47 I Table of ranges and accuracies 9 Tecnical unit 26 Thermocouple wires 21 Thermocouples input output circuit 17 TTL to RS 232 adaptor 36 U UNPACKING 18 W Wiring practice 20 WARRANTY DISCLAIMER OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase OMEGA Warranty adds an additional one 1 month grace period to the normal one 1 year product warranty to cover handling and shipping time This ensures that OMEGA s customers receive maximum coverage on each product If the unit should malfunction it must be returned to the factory for evaluation OMEGA s Custo
64. rmal fuses will be automatically restored and you can resume your work 11 4 Storage If the instrument is left unused for a long time it is recommended to remove the batteries Store the instrument in the original package at a temperature from 30 C to 60 C with R H less than 90 If the instrument has been unused for a month check the battery voltage and charge the Ni MH batteries for at least 12 hours 47 A Automatic simulation cycle 29 Average measurements 10 Average readings 27 Battery Charger 23 Battery charger Operation from line source 16 Battery voltage indication 24 C Case 11 Communication programs 44 Communication protocol from CL526 to a PC 36 Computer request for CL526 settings 40 CONTENTS 4 Convert function 26 D D A converter 15 Data memory automatic scanning 28 Data memory configuration 27 Data memory manual recall 28 Decimal point position 26 Digital display 15 Digital interface 10 16 35 Digital interface data program mode 35 Digital output wiring practice 35 Display 10 E ELECTRICAL CONNECTIONS 20 F Faulty operating conditions 46 Firmware 15 Firmware version code Serial number 34 FUNCTIONAL DESCRIPTION 13 G GENERAL FEATURES 10 GENERAL PERFORMANCE 6 IN OUT mode selection 25 Increase the life of the battery 23 INDEX 48 IN OUT data memories 27 Input and output flexibility 10 Input circuit 14 Installation parameter procedu
65. rminals are designed with a very low thermal capacity Inside the body of the negative terminal is placed a thin film Pt100 resistance thermometer that dynamically measures with high accuracy the temperature of the reference junction The microprocessor uses the above signal Pt100 to adjust the input signal to compensate for the Rj temperature Reference junction compensation can be internal or external depending upon the application requirements 17 5 UNPACKING Remove the instrument from its packing case and remove any shipping ties clamps or packing materials Carefully follow any instructions given on any attached tags Inspect the instrument for scratches dents damage to case corner etc which may have occurred during shipment If any mechanical damage is noted report the damage to the shipping carrier and then notify OMEGA directly or its nearest agent and retain the damaged packaging for inspection A label inside the battery container indicates the serial number of the instrument Refer to this number for any inquiry for service spare parts supply or application and technical support requirements OMEGA will keep a data base with all information regarding your instrument 18 6 PRE OPERATIONAL CHECK The CL526 portable calibrator is powered by four Ni MH rechargeable batteries The external battery charger supplied as standard may be ordered for either 110 120 Vac or 220 240 Vac power source To modify the charger s
66. s Limit of Error of thermocouple wires The range indicated is the temperature limit for the indicated errors Cold junction at 0 C Tc type T T range type E T range type J T range typeK eN T range typeReS T range type B T range Class 1 0 5 C 40 to 125 C 0 004 T T gt 125 C 40 to 350 C 1 5 C 40 to 375 C 0 004 T T gt 375 C 40 to 800 C 1 5 C 40 to 375 C 0 004 T T gt 375 C 40 to 750 C 1 5 C 40 to 375 C 0 004 T T gt 375 C 40 to 1000 C 1 C 0 to 1100 C 1 0 003 T 100 T gt 1100 C 0 to 1600 C 1 C 0 to 1100 C 1 0 003 T 100 T gt 1100 C Class 2 1 C 40 to 133 C 0 0075 T T gt 133 C 40 to 350 C 2 5 C 40 to 333 C 0 0075 T T gt 333 C 40 to 900 C 2 5 C 40 to 333 C 0 0075 T T gt 333 C 40 to 750 C 2 5 C 40 to 333 C 0 0075 T T gt 333 C 40 to 1200 C 1 5 C 40 to 600 C 0 0075 T T gt 600 C 0 to 1600 C 1 5 C 40 to 600 C 0 0075 T T gt 600 C 600 to 1700 C 22 Class 3 1 C 67 to 40 C 0 015 T T lt 67 C 200 to 40 C 2 5 C 167 to 40 C 0 015 T T lt 167 C 200 C to 40 C 2 5 C 167 to 40 C 0 015 T T lt 167 C 2 5 C 167 to 40 C 0 015 T T lt 167 C 200 C to 40 C 4 C 600 to 800 C 0 005 T T gt 800 C 4 C 600 to 800 C 0 005 T T gt 800 C 600 to 1700 C 8 POWER SUPPLY 8 1 Rechargeable batt
67. s amp Ice Point References M Recorders Controllers amp Process Monitors VI Infrared Pyrometers PRESSURE STRAIN AND FORCE V Transducers amp Strain Gauges V Load Cells amp Pressure Gauges v Displacement Transducers V Instrumentation amp Accessories FLOW LEVEL V Rotameters Gas Mass Flowmeters amp Flow Computers VI Air Velocity Indicators VI Turbine Paddlewheel Systems VI Totalizers amp Batch Controllers pH CONDUCTIVITY v pH Electrodes Testers amp Accessories v Benchtop Laboratory Meters M Controllers Calibrators Simulators amp Pumps V Industrial pH amp Conductivity Equipment DATA ACQUISITION V Data Acquisition amp Engineering Software MI Communications Based Acquisition Systems v Plug in Cards for Apple IBM amp Compatibles v Datalogging Systems M Recorders Printers amp Plotters HEATERS v Heating Cable v Cartridge amp Strip Heaters VI Immersion amp Band Heaters V Flexible Heaters v Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL Metering amp Control Instrumentation Refractometers Pumps amp Tubing Air Soil amp Water Monitors Industrial Water amp Wastewater Treatment pH Conductivity amp Dissolved Oxygen Instruments AKARAKARA 50
68. the following indication The reading on the display indicates that the instrument is equipped with a memory release code 2 000 The above information is extremely useful to understand the update status of the instrument and to simplify information exchange with OMEGA engineers during repair or service operations The second number on the right side of the display is the Serial Number of the instrument e Press any key to exit the procedure with the following indication e Switch the instrument OFF to end the procedure 9 3 13 2 External Rj compensation To enter the External Rj compensation set up start with the instrument switched Off and press lt ENTER gt lt ON gt keys to obtain the following indication e Set with lt A gt and VW keys the temperature of the external Rj compensation adjustable from 50 C to 100 C e Press the lt AUTORAMP gt key to memory load the new temperature value of reference junction compensation e Toendthis procedure switch the instrument Off 34 10 DIGITAL INTERFACE The CL526 portable calibrator is equipped with a digital interface The interface circuit is essentially based on the serial communication interface subsystem SCI on the chip of the microprocessor The output voltage levels are TTL at 0 to 5 V An optional adaptor to convert the voltage level from 0 to 5V to RS232 levels can be supplied on request This adaptor is required to interface the CL526 with a Person

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