Instruction/ maintenance manual of the product CL526 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 ! !.
An important point after buying a device Omega CL526 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Omega CL526 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Omega CL526 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Omega CL526 you will learn all the available features of the product, as well as information on its operation. The information that you get Omega CL526 will certainly help you make a decision on the purchase.
If you already are a holder of Omega CL526, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Omega CL526.
However, one of the most important roles played by the user manual is to help in solving problems with Omega CL526. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Omega CL526 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
