Tích hợp hệ thống FDT + EDDL = FDI

THE GIOI

ich hop he thdng

FDT + E tii FDI

Thidt bj tich hgp la he thdng

thidt bj cho phep du lieu

dugc hidn thj va mang

thdng tin ddn ngudi su

dung. Khdng nghi ngd,

khdng tim kidm, va khdng cd sy nham

lan la mdt phan cua nhimg he thdng

trao ddi thdng tin.

Bat ke each thiic cung ung, lao boa

thidt bj, giao thuc giao tidp, hay tinh

linh boat cfla thidt bj do ludng phue

tap... ddu dugc hgp nhat trong dd hga

khi tich hgp thidt bi thanh mdt he thdng.

Vdi su ra ddi cfla thdng tin kT thuat sd

fieldbuses vao nhung nam 1990, kT thuat tich hgp hai thidt

bj la FDT va EDDT da xuat hidn va dang ngay cang trd

nen phd bidn.

FDT la thidt bj truydn thdng cdng nghidp, dugc hgp

nhat theo truyen thdng giua ngudi su dung vdi nha eung

cap nhu ABB, Endress+Hause, Invensys, Metso, va

Siemens. FDT khdng chi la cdng nghd tu dgng boa nha

may ma edn la ndn tang ddc lap cho phep tir do lua ehpn

thidt bj duy tri va cac cdng cu bao tri tdt nhit ma khdng ban

che giao thuc giao tidp hoac ndn tang tuong thich. FDT la

thiet bj cai dat khdng thd thay thd. Nd la mdt chuin qudc

te, lEC 62453. Nd cd kha nang hd trg die Iuc eho HART,

Profibus, Foundation Fieldbus, DeviceNet, Interbus, AS￾Interface, va ProfiNet. Cdng nghd FDT tich hgp dd dang

vdi cae thidt bj hidn nay.

p Cdng nghd thu hai la thidt bj didn tu md ta ngdn ngu

TEDDL), mdt giao thuc truydn thdng ddc lap cd kha nang

tich hgp dur li?u tu HART, WirelessHART, Poundation

fieldbus, va thiet bj Profibus tuong tu. EDDL lidn kdt

dugc vdi cac quy trinh cdng nghd td hgp nhu Foundation

Fieldbus, Emerson Process Management, HART

Communication Foundation, Profibus International, va

OPC Foundation. Tuy nhidn, EDDL khdng phai la phin

mem ma chi la mgt tidu chuin qudc td lEC 61804-3. Nd

Khi giao dien tieu chuan

dam bao duoe su thdng nhat

giufa duf lieu, tu lieu, va cau

hinh, thi chuyen vien kl thuat

khong con chii y den mot loai

thiet bj, cac thiet bj nay phai

hoat dong va hien thj tren

cimg mot che do. Vi the, he

thdng FDI hien nay van dang

la giii phap tich hop tdi Uu loai

bd phan du cua EDDT va FDT.

khdng cd eae hudng ggi ldnh lidn kdt loi

chat che. Vi the, trong trudng hpp khai

bao EDDL bj Idi, host se gflri di thdng

bao nhu trinh duyet web bao loi trdn

trang HTML.

Qua trinh tim kiem

h

Trong nhung nam qua, dudng lidn

kdt ridng bidt gifla thidt bj, khdi dfl lieu,

va he thdng didu khidn chu trinh da

nhudng chd cho vide duy tri ddng nhat

trdn mdt chd dp van hanh. Su hdi tu

cfla cdng nghd FDT va EDDT da djnh

hudng thuc hien cho cac dung cu thidt

bi, dfl lieu thdi gian thuc theo mdt chd

dp nhat quan, dd tao ra nhung thidt bj img dung van hanh

an loan, hidu qua ma khdng ed su nham lan. Vi thd, cac

nha cung cap thidt bj kiem soat da hgp tac vdi td chue

ngudi tidu dung dd thidt lap quy tai chinh ho trg cbo su

phat tridn edng nghd tich hgp he thdng FDI thdng minh

trdn thd gidi, ggi tat la vdn FDI. Co sd cho vide hpp tac

nay dupe bat dau tai Dai hpe Ky thuat Munich.

Bdn canh vide hpp tac vdn FDI, ban chi dao hgp tac

nhdm EDDL (ECT) va nhdm FDT cdn td chflc tim kidm

giai phap chung eho cdng nghd FDI theo nhflng mdc phat

tridn thidt bj da dugc thuc hidn. Khi dd, nhdm FDT da thuc

hidn xac djnh nhiing trudng hgp sfl dung dung cu thidt bj

van hanh, dd soan thao khai nidm kidn trflc dap img nhu

cau cdng nghd khi hp tridn khai tim kidm giai phap theo

tidu ehuan chung. Cudi cflng, FDT da tim ra thidt bj md ta

ngdn ngu Device Manager dam bao tinh tuong thich giua

cac thidt bj. Tfl dd, giai phap nay dupe img dung cho cac

thidt bj truyen thdng edng nghidp thude mpi ITnh vuc va

hau hdt cau true lidn ket mang hpp nhat theo cap bac.

Thdi gian trien Ichai

Nam 2003, ba nganh cdng nghidp thuoc ITnh vuc

CO sd thidt bj hang dau la Fieldbus Foundation, HART

CommunicationFoundationvaProfibusNutzerorganization

tw

T4lP CHf CO KHf VI$T NAM • So 01+02 (ThangOl+02) nam 2010