Gebruiksaanwijzing /service van het product CL526 van de fabrikant Omega
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http://w ww.omega.co m e-mail: info@omega.com CL526 Multifunction Indicator-Simulator.
2 OMEGAn et SM On-Lin e Ser v ic e http://www.omega. com Internet e- mail info@o mega.co m Ser vicin g Nor th Am erica : USA: ISO 9001 Certified One Omega Dri ve, Bo x 4047 Stamf ord, CT 06907- 0047 Tel: ( 203) 35 9-166 0 e-mail: inf o@omeg a.
3 INTRODUCTORY NOTE A TTEN TION : T HIS M ANUAL MUST BE REFERRED T O INSTRUMENTS WITH SERI AL NUMBER 005980 ONWARDS . This pu blication c onta ins operat ing inst ruct ions, as wel l as a d escr iption of th e princ iples of op eration, of CL526 multif unc tion por ta ble cal ibrat or .
4 TABLE OF CONTENTS 1 GENER AL PERFORM ANCE ............................................................................................................... 6 1.1 Specificatio ns .........................................................................
5 9.3.13.2 Ex ternal Rj co mpensation ............................................................................................... ......................34 10 DIGIT AL INTERF ACE .....................................................................
6 1 GENERA L PERFORM A NCE A complete sy stem for t esting, measur ing and calibr ating built in a si ngle, c ompact port able instru ment. The portabl e calibrator CL526 i s a multifu nction instrument design ed to mee t, in a mod ern and practic al way , the need s of instrume ntation eng ineers, both in labor atory and field work.
7 1.1 Specifications • IN/OUT parameter s: - mV, V, mA, Ω - Tc type J, K, T, R, S, B, N, C, E, F, U, L, G, D - Rtd type Pt1 00, Ni100 and Ni120 • Reference junction compens atio n: - automatic i nternal w ith Pt100 sensor from -5 °C to +50°C; - external w i th manual setting fro m -50°C to +1 00°C • Rj compensati on drift: ± 0.
8 • Calibration: semi-automa tic pro cedure • Power supply: n. 4 Ni-MH batteries 1.25 V 1.2 A/h • Battery life: 4 hours w ith 20 mA simulation mode 12 hours on measuring mode • Recharge ti me:.
9 1.2.1 Table of ranges and accuracy Sensor or Total range High accuracy Resolution Limit of error parameter range Tc t ype J -210 to + 1200°C -190 t o +120 0°C 0.1°C ± (0.02% of rdg +0.1°C ) -346 t o +2192° F -310 to + 2192° F 0.1°F ± (0.02% of rdg +0.
10 2 GENERA L FEATURES 2.1 Input and output flexibility Advanced flex ibility of performa nce has b een achiev ed using microproce ssor techn ology. Each instru ment, through a menu-driven procedur e,.
11 • a continuou s or ste p ramp o utput w here the tota l time, the start point, the end point and the size of the step are requested by the set- up proced ure to ru n the program ; • a manual repe at incr ement t hrough k eyboard; • an automati c seque nce of up to 60 stor ed values (20 gr oups of 3 m emorie s).
12 3 PHYSICA L DESCRIPTION The CL526 portab le cal ibrator c onsists of a rugged and co mpact ca se, a mo ther boar d with all base function s, a daughter board for the aux iliary functions, a tactil e membr ane keybo ard, an LCD display and a group of four nickel- cadmium re chargeab le batter ies.
13 4 FUNCTION AL DESCRIPTION The CL526 p ortable calibrat or block di agram is s hown bel ow. Micr oprocessor D/A (convert er) Keyboard Gain Co ntr ol Comparat or and buff er IN/OU T Switch Referenc e.
14 ON Powe r ON sw itch OFF Power O FF switch IPTS68-ITS90 Temperatur e Scale selection Rj Ref ere nce junc tion int ern al-e xter nal sel ect ion < ▲ ▲ ▲ ▲ > < ▼ ▼ ▼ ▼ > Membrane sl idewires to set t he simula tion value (to scro ll the menu of i nput tab les and library of eng ineerin g character s).
15 The microproces sor r ecognizes if the D/A converter is generat ing a volt age signal higher or lower tha n the in put sig nal and giv es correctin g instr uctions to keep th e input amplifier ou tput on t he neare st value t o zero.
16 P D/A Keyboard 1000 mV 100 mV 54 mV 22 mV Out µ x 1000 multipl. 4.8 Battery charger. Operation from line source A TTEN TION : ON LY FOR US E W ITH N I -M H B AT TERIES . The aux iliary modu le, sup plied as a standar d acce ssory, all ows operat ion from 110-120 Vac or 220-240 Vac 50/60 Hz.
17 4.11 Resistan ce and Rt d simulation CL526 p ortable calibrator is equip ped w ith an el ectroni c circuit f or the a ctive sim ulation of plat inum and ni ckel resi stance thermometers and resistanc es.
18 5 UNP ACKING Remove th e instrumen t from its packin g case and rem ove any s hipping tie s, cla mps, or pac king mater ials. Carefully foll ow any instructi ons given on any attached ta gs. Inspect t he instrum ent for s cratches, d ents, d amage t o case cor ner etc.
19 6 PRE-OPERATIONAL CHECK The CL526 p ortable calibrator i s powered by four Ni-M H rechargeable batter ies. The ex ternal battery charger, supplied a s stand ard, may be ordered fo r either 110/120 V ac or 220/240 Vac pow er source. T o modify t he charg er’s power v oltage fo llow the i nstruct ions in par.
20 7 ELECTRIC AL CONNECTIONS Appropriate ex tension wires shoul d be used b etw een the thermo couple (or instru ment und er calibrat ion) and t he CL526 unless the t hermocouple l eads per mit dire ct connec tion. Make sure t hat both thermoc ouple and compen sating cable ar e connecte d with th e correct polarity.
21 Examples of input /output wiring and connections Rtd (2 wire) MEASURE CH1 Thermocouples, mV Rtd ( 3 wire) Rtd (4 wire) SIMULATION CH1 mA Active loop - +PS +IN -IN RTD - +PS +IN -IN RTD - +PS +IN -I.
22 The table bel ow summarizes the error lim its for Pre mium and St andard gr ades, while Ex tension grade wire is characteriz ed by l imits of error ex ceeding those in the t able. Errors up to ±4°C may be experienc ed when u sing Ex tension grad e thermo couple w ire for J and K thermo couples.
23 8 POWER SUPPLY 8.1 Rechargeable b atteries The CL526 portable calibrator i s pow ered by four b uilt-in r echargea ble batt eries. The i nstrum ent is ship ped w ith an average lev el of ch arge.
24 9 OPERA TION & A PPLICATIONS 9.1 Power ON A TTEN TION : ALL VALUES IN THE FOLLOW IN G FIGURES ARE ONLY LISTED AS AN EXAMP LE . During set-up and l oad memory rememb er th at the i nstructi ons .
25 9.3.1 IN - OUT mode selection • Press the <ON> key to power the instrum ent. • After diagn ostic routi ne, t he cal ibrator will be forced i nto the “IN” f unction w ith the active param eter prev iously selected (i. e. with the indic ation of a measure d value of + 1032 °C w i th thermoc ouple type “K”).
26 9.3.3 Tecnical unit • To change the te chnica l unit fro m °C to °F (or vicevers a) follow the procedure indic ated below : Instrument op erative in -Out- mo de as fo llows: O u t 0 .
27 • To “conv ert” th e type of indicati on, w ith the in strume nt operativ e in any of the a bove indic ated mo des, press <SHIFT> + <CONVERT> keys o btaining for ex ample the fo llowing indic ations: O u t 100 . 0 °C T c K • Press < SHIFT > + < CONVERT > keys to obtai n the eq uivale nt mV in dication: C v t 3 .
28 To select th e require d group fol low the procedur e indicate d below : • Press the <SELECT> key to ob tain one of the menu pages • Press the <0> key to obtain the follow ing indi .
29 • Press the <2> key to confirm the sel ection and to return to the m enu pag e • Press the <AUTORA MP> key to obtain one of the fo llow ing indicat ions: S e l : P rogram • Select.
30 End Start Time Soak Time Soak Z step • To memory load t he cy cle para meters, fol low the pro cedure in dicat ed below • Select the required tecni cal unit or e lectrical parameter s • Selec.
31 • Press < ENTER >+< SOAK > key s to me mory store th e new value • Press the <MODE> key to obtain on e of the f ollow ing indic ations: M o d e 1 ^ ramp single cycle pr ogram M o d e 1 ^ ramp repeated cy cling program M o d e 1 1 ramp single cycle pr ogram M o d e + 1 ramp repeated r ise ramp pr ogram.
32 RJ : 0 . 0°C ex t is display ed, it means t hat an ex ternal refere nce jun ction compensat i on has bee n selected for a te mperature of 0.0°C (programmable from -50°C to +1 00°C). The referen ce jun ction comp ensati on mode ca n be repro grammed a s indicated in par.
33 • Press the < ▲ ▲ ▲ ▲ > or < ▼ ▼ ▼ ▼ > key to s elect the requ ired pag e. • Press the <ENTER> key to me mory l oad the selection. • The program w ill advance to the nex t step with the ind ication : WORD : ! or from a prev ious set-up eg.
34 • Press the <ENTER> key to me mory l oad the selection • The display w ill indicate the scaled inp ut/output value. O u t 105 . 8 m b ar 9.
35 10 DIGITAL INTERFACE The CL526 portab le calibra tor i s equipped with a di gital i nterface. T he interface circuit is essent ially based on th e serial communic ation interfa ce sub system (SCI) o n the ch ip of the m icropro cessor. The output v oltage lev els are TT L at 0 to +5 V.
36 Front view 1 2 3 4 5 6 7 8 LINDY CINCH pin 1 : brown black pin 2 : red green pin 3 : green blue pin 4 : gray gray pin 5 : purple yellow pin 6 : blue w hite pin 7 : orange red pin 8 : yellow brown 10.
37 Tx char _ Rx char Rx DAT A 3 ß Tx DATA 3 Tx char _ Rx char Rx DAT A 4 ß Tx DATA 4 Tx char _ Rx char Rx CHKSUM ß Tx CHKSUM IDNAME, Instru ction, DAT A 1, DATA 2, DATA 3, D ATA 4 and CH KSUM are 8.
38 STO 2 G roup H 194 x x Display (2) Lin (2) STO 2 G roup H 195 Value Hi (2) Value Lo (2) x x STO 0 G roup I 196 x x Display (0) Lin (0) STO 0 G roup I 197 Value Hi (0) Value Lo (0) x x STO 1 G roup .
39 STO 2 G roup R 234 x x Display (2) Lin (2) STO 2 G roup R 235 Value Hi (2) Value Lo (2) x x STO 0 G roup S 236 x x Display (0) Lin (0) STO 0 G roup S 237 Value Hi (0) Value Lo (0) x x STO 1 G roup .
40 18 = Ni120 19 = OHM 20 = 22 mV 21 = 10 0 mV 22 = 10 00 mV 23 = 10 V 24 = 20 mA 25 = X scaling Lin (name ).AND. 80he x = 0 = value OK 80hex = er ror if line (name).A ND.8 0hex = 80hex 0 = un der corres ponding " Value L o" 1 = over 2 = erro r 7 3 = erro r 2 4 = erro r 6 6 = erro r 0 if line (n ame).
41 Tx DATA 3 _ Rx DATA 3 Rx char ß Tx char Tx DATA 4 _ Rx DATA 4 Rx char ß Tx char Tx CHKSUM _ R x CHKSUM Rx char ß Tx char The CL526 re ceives an d verif ies CHKSUM ; when not v alid, it d oes not.
42 Dis/Lin ST O 2 #D 127 0 202 Display (2) Lin 0 192 Value STO 2 #D 127 0 204 Value Hi (2) Value Lo (2) 0 192 Dis/Lin ST O 0 #E 127 0 210 Display (0) Lin 0 208 Value STO 0 #E 127 0 212 Value Hi (0) Va.
43 Dis/Lin ST O 2 #N 127 1 106 Display (2) Lin 1 96 Value STO 2 #N 127 1 108 Value Hi (2) Value Lo (2) 1 96 Dis/Lin ST O 0 #O 127 1 114 Displ ay (0) Lin 1 112 Value STO 0 #O 127 1 116 Value Hi (0) Val.
44 10.6 Communication programs In this paragr aph are i llustrat ed two ex amples of commu nication pr ograms between th e CL526 and an IBM or IBM compatible PC. Example A: (data transfer fr om CL526 to PC) Set IDNAM E=1 and BAUD RAT E=9600 on CL526 (see chapter 8.
45 16Ø IDNAM E = ASC (INPUT $ (1 , 1)): REM R EAD RECEIVED ID NAME FROM CL526 17Ø PRINT #1, CHR$ (INSTRUCTION) ; 18Ø W HILE LOC (1) = Ø : W END 19Ø INSTRUCTION = ASC (INPUT$ (1 , 1)) 2ØØ PRINT .
46 11 MAINTENA NCE The CL526 p ortable calibrat or has been f actory tested and calibrat ed before ship ment. The cali bration should be verified and re-adj usted if the instrum ent i s show ing an er.
47 ERROR 6 When in mV or Tc “OUT ” function the current flow must not exceed 0.5 mA. ERROR 7 Indicate s a possi ble error d uring s cale factor comput ation. The above in dicated faulty co ndition s can be an nounce d both d uring the autodia gnostic ro utine or in mea sure or simulat ion modes.
48 INDEX A Automati c simulati on cycle; 29 Average meas urements; 1 0 Average readin gs; 27 B Battery Charger; 23 Battery charger. Operat ion from line sourc e; 16 Battery voltag e indicati on; 24 C .
49 WARRANTY/DISCLAIMER OMEG A ENGINEERING, IN C. warrants this unit to b e free of defects in materia ls and workman ship for a period of 13 months fr om date of purchase. OM EGA W arranty ad ds an additi onal o ne (1) mo nth grace pe riod to t he normal on e (1) y ear product warrant y to cover ha ndling and shippi ng time.
50 Where Do I Find Every thing I Need for Process Measure ment an d Control? OMEGA…Of Cou rse! TEMPERATURE ! ! ! ! Thermocouple, R TD & Thermistor Probes, Connectors, Panels & Assemblies ! !.
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