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Emerson Process Management MAN-0114 - page 1
MAN -0114 Rev 02 September 10, 2014 ECO -SENSE SINGLE CH A NNEL TRANSMITTER User Man ual MODEL: ECO-A-X ...
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Emerson Process Management MAN-0114 - page 2
1 Table of C ontents SECTION 1 – SAF ETY INFOR MA TION ......................................................................... 1 1.1 Safety Information – Read B efore Install ation & A pply ing Power ........................................ 1 1.2 Contacting Net Safety Monitoring Inc. ....................................................... ...
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Emerson Process Management MAN-0114 - page 3
1 SECTION 1 – SA FET Y INFORMATION WARNING : Rea d and unders tand the co ntents of this m anual pri or to op eration. Fa ilure to do so c ould resu lt in inj ury or d eath. Note: Users are r esponsibl e for c orrect trans lations of this m anual int o their n ative language . 1.1 Safety I nformati o n – Read Before Installation & Applying ...
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2 SECTION 2 – INSTALLATION INSTRUCTI O NS 2.1 Introduction Important : This manual d escribes the 2- W ire 4 - 20mA versions of the E CO -A-X . T he unit is a fix ed - point m onitor des igned to provide continuous m onitoring of hazardo us gase s in the work place. Monit ored valu es are d isplayed in their en gineeri ng units as well as graphic ...
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3 2.3 Transmitter / Sensor Location Prior to th e instal lation proc ess , a locatio n plan f or placing the tr ansm itter and se nsor s hould be develope d. F actors s uch as accessi bility, air movem ent, gas d ensit y in relation to a ir, emis sion sources and enviro nm ental variab les aff ect corr ect sensor and transm itter loc ation. Air m o ...
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4 2.4 T he ECO -A- X Encl osure The ECO -A-X enclosur e is an Alum inum or Stainless Steel exp losion - pro of ( NEMA 4X ) enclos ure as sho wn in Figure 2 - 2. Table 1 : ECO Sense (ECO -A-X) housing and sen sor d im ensions ( A through J ) in I nc hes and mm Table 1 : (cont’d) ECO -A-X Transm itter & senso r I J in mm in mm Transmitter & ...
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Emerson Process Management MAN-0114 - page 7
5 WARNING : Q ualif ied personne l shoul d perform the instal lation ac cording to applic able electrica l codes, r egulatio ns and s afety st andards. I nsure c orrect c abling an d sealing f itting practices are im plem ented. Also, never ins tall the sen sor pointi ng up ward s . 2.5 System D esig n Sp eci fications Supply V oltage: 10 to 30 VDC ...
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Emerson Process Management MAN-0114 - page 8
6 ECO -A- X Transmit ter B oard Terminals Note: In Table 3, T B1 Term inals (Po wer Term inals) are non - polar ized ; if ( +) 24 VDC is connec ted to TB1 bo ttom term inal, an d (- ) 24VDC conn ected t o TB1 top t erm inal a loop c urrent of 4- 20mA would still be obtain ed. Sensor sep aration S ince the sensor mus t be located where gas is lik el ...
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Emerson Process Management MAN-0114 - page 9
7 SECTION 3 – INITIAL START - UP 3.1 “Transmitter Configura ti on” Me nu Figure 3 - 1sho ws the EC O -A-X XMITT ER CONFIG menu use d to acti vate chan nels , precisel y calibrate 4 - 20m A outp uts and set t im e / date. Its m enu s are set at the facto ry an d typicall y not needed by the user . T o access from an y data dis play, place and ...
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Emerson Process Management MAN-0114 - page 10
8 SECTION 4 – OPERATING INSTRUCTI ONS 4.1 Routine Sensor Calibrations Calibrat ion is the m os t important f unction f or e nsur ing c orrect operat ion of the EC O -A-X . T he CAL MODE ( flow c hart sho wn in Figur e 4 - 2) is des igned to m ake c alibration qu ick , easy and error free. A s uccess ful ZERO a nd SPAN c alibrat ion requir es onl ...
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Emerson Process Management MAN-0114 - page 11
9 Calibration S teps Use the fol lowing s tep - by - s tep proce dure to p erform ZERO and SPAN c alibrati ons. 1. To enter t he CAL MO DE ac tivate the DOW N / C AL ke y with the m agnet and within 5 seconds ac tivate th e EDIT ke y . 2. Using the C al - Cup, apply c lean ZER O gas ( air) f rom canister or be s ure th ere is no back ground target ...
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Emerson Process Management MAN-0114 - page 12
10 4.2 ALARM OPERATION The ECO -A-X ha s f ront panel LED indica tors f or Alarm 1 (ALM1) , Alar m 2 (ALM2) and Al arm 3 (FAIL) . W ith 2 - W ire 4 - 20m A operatio n, to cons erve po wer, alar m LED’s only flas h during a larm events. 4.2.1 AL ARM 3 – UNDERSTANDING FAULT / LEVE L O PERATION The “A3” (FAIL) alarm is t ypically dedica ted to ...
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Emerson Process Management MAN-0114 - page 13
11 SECTION 5 – SETUP MENU CONFI GUR A TION 5.1 Menus Database Configuration All ECO - A-X configur at ion vari ab les are stor ed in its menu data base. Ma n y menu item s will contain d efault va lues f rom the fac tory and r equire cha nges to bet ter m atch a user ’s partic ular applicat ion. EC O -A-X m enus m ay be configure d from the mag ...
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Emerson Process Management MAN-0114 - page 14
12 items /sub m enus . Use ED IT key to displa y the cursor , then activate UP / DOW N ke y to c hange that char acter, act ivate NE XT to m ove the curs or, the n activat e EDIT k e y ag ain to lo ad the new item and r emove th e cursor . Activate N EXT to back out of the s ub - menu. T o vie w SETUP P AGE 2 , activate t he DOW N ke y with the po ...
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Emerson Process Management MAN-0114 - page 15
13 Lineariz ation D ata allows non linear si gnals to be lineari zed b y entering t he corr ect curve i nto the ECO -A-X (Figure 5- 4). If Linear ize is set f or NO, t he CUR VE POINT S m enu data is not us ed and no lin earizatio n is app lied. W hen YES, t he CURV E POINT entr ies are used and a straig ht - line approx imation is calcu lated bet ...
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Emerson Process Management MAN-0114 - page 16
14 5.4 Alarm S etting s: The Alarm S ettings page has the Alarm 1, 2, 3 Setups, R el a ys an d Event Log submenus shown in Figure 5 -6 . Alarm 1, Alarm 2 and Alar m 3/F ail menus ar e identic al and th erefore described onl y once in this sec tion. I M PO RT AN T : Alarm functions an d their as sociated LED’s ar e a l wa ys ac tive . Set Poi nt e ...
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Emerson Process Management MAN-0114 - page 17
15 5.5 Sensor Informati on: Sensor Infor mation has th e SENSO R S ETUP/IN FO m enus shown in Figur e 5 -7 Install N ew Senso r should alwa ys be perf ormed when a new s impl e sens or is inst alled. T his deletes h istorica l CAL data and sets s ensor l ife to 100 % after initial ca libration of the n ew simpl e sensor. Recall Cal Histor y recalls ...
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Emerson Process Management MAN-0114 - page 18
16 Warm U p and C al Purg e t im e delays are als o ava ilable to prevent un wanted a larm trips. Fig ure 5-8 shows th e menu f or the se items . Figure 5 -8 : Clock & Cal end ar / Delay T imer M enu 5.7 LCD Contrast Adj: LCD Contras t Adj. ma y be set f or optim um viewin g using the m enu shown in Figur e 5 -9. Figure 5 -9 : LC D Contrast A d ...
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Emerson Process Management MAN-0114 - page 19
17 5.1 0 SYSTEM SEC URITY: The SY STEM SECURITY m enu offers two levels of protecti on. A LOW l ev el allo ws CAL MO DE sensor c alibrations but req uires the 4 - d igit Pass Co de prior t o alteri ng menus . HIGH le vel lo ck s the entire menu data base a nd the C AL Mod e until th e corr ect Pass Code is entered. LOW an d HIGH secur ity levels al ...
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Emerson Process Management MAN-0114 - page 20
18 SECTION 6 – H OW TO R ETURN EQUI P MENT A Material Return Authori zation n umber is required in order t o retur n equipm ent. Pleas e contact Net Saf ety Monitori ng at (403) 21 9 - 0688 , b efore r eturning eq uipm ent or cons ult our Cus tomer Care Depar tment to possibl y avoid ret urning equipm ent. If you are r equired to return equipm en ...
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Emerson Process Management MAN-0114 - page 21
19 Appendix Appendix A: Ele ctrostatic Sensitive Devi ce (ESD) Definitio n: Electros tatic dis charge (E SD) is the trans fer, bet ween bod ies, of an elect rostatic charge caus ed b y direct co ntact or induced by an elect rostatic field. The m ost comm on cause of ESD is p hysica l contac t. Touc hing an obj ect c an cause a discharge of electros ...
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Emerson Process Management MAN-0114 - page 22
20 Appendix B : Re sistance Table Distance (Feet) AWG #20 AWG #18 AWG #16 AWG #14 AWG #12 AWG #10 AWG #8 100 1.02 0.64 0.40 0.25 0.16 0.10 0.06 200 2.03 1.28 0.80 0.51 0.32 0.20 0.13 300 3.05 1.92 1.20 0.76 0.48 0.30 0.19 400 4.06 2.55 1.61 1.01 0.64 0.40 0.25 500 5.08 3.20 2.01 1.26 0.79 0.50 0.31 600 6.09 3.83 2.41 1.52 0.95 0.60 0.38 700 7.11 4. ...
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21 Appendix C : EC O Sense Specifi cations ECO Sense Specification and Certifica tions Range 0- 50 PPM Response Ti me T 20 < 10 se c T50 < 30se c Accuracy ± 3 ppm or ±10% of readi ng, which ever is great er ( 2 5 °C) ± 15% of re ading (at 0 a nd 50 °C) Certified Temperature Range 0°C to + 50 °C ( +32° F to +1 22 ° F) Operati onal Vol ...
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Emerson Process Management MAN-0114 - page 24
22 Net Saf ety Monitor ing Inc. 2721 Hop ewell P lace NE, Calgar y, AB Canad a T1 Y 7J7 1- 866 - FIR EGAS ( 347 - 342 7) | ph. (403) 219 - 068 8 | fx . (403) 219 - 0694 http://www .em ersonproc ess.com /saf ety | Email: s afet y.csc@em erson.c om ...
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