- Trang c i c bie"u 66 th8ng so" the0 thi3 gian thuc (trent). - Phim thoit khbi chuang trinh.
TrCn trang min hinh di&u khiin thigt bi nhilt thii st5 th6 hien sa d6 ket n8i , trang thii cic thigt bi trong tram , cic thdng s6 do l u h g v.v... v i n g u ~ van hinh c6 the" thuc hien c i c thao tic cLn thie"t trCn so 66 niy .
a- Chirc nang di$u khiin
DC thuc hien duuc 1 thao tic di$u k h i h dun giin , d6ng c k dao cich ly hoac miy cat nhu t r h hinh vi5 tren phdn m$m Sicam Win CC t@ miy tinh HMI ho@c tren BCU phii 1An l u ~ qua cic budc nhu sau :
9 Kich hoat lenh di&u khi6n :
C6 th6 thuc hien duuc tir cic n d khic nhau nhu: trung t&n di$u do Midn (remote control), tN tram (local control) v i tir cic phAn tir tq dong ngan 18 (BCU)
9 Xhlf lenh
Tigp the0 budc kich hoat lenh 1 i budc xir 19 lenh. Trong budc niy ph$n m$m sE ki6m tra lenh niy c6 dude dua ra b& ngu8 c6 quy$n han hay khdng, kigm tra cic di$u kien lien dQng c6 phij h~rp hay khdng, ki6m tra trang thii c i c thigt bi v.v...
9 Dua lenh di6u khi6n tdi cac dau ra
Xic nhan 1ai thuc hien di6u khi6n hoac thoit. Khi lenh dudc xic nhgn, cic lenh di$u khidn tdi cic dAu ra tumg h g cSa kh6i ditu khi&n BCU dI dieu khi6n thigt bj.
9 Giam sat vh ke"t thuc lenh
Sau khi lenh di&u khidn duuc dua ra cic dAu ra p h h m$m si5 ti6p tuc giim sAt viec thuc hien c8c lenh dieu khi&n th8ng qua cic tin hicu phAn h6i (feedback signal) v i thlri gian (time out) n&u c&n thid c6 thk k&t thiic '
Quy trinh van hilnh he thdng di&u khikn trgn m6y tinh SCAM SAS Siemens: 6MD63,6MD62
Thuc hien 1 chu6i lenh
Sa dd thuc hien nhu sau :
Trong khi v@ h h h , trong tnrlng h* muBn thay ddi phumg thirc v$n h h h nhu: thay ddi thanh c i i , dua d u h g day vho v@ hanh hoac dua ra, thay th6 miy c k dua ra sira chila v.v... Thay vi dua vho timg lenh mot, nguiti van hhnh c6 thd
$h djnh chirc nang chi cho 1 lenh dd thuc hien 1 chudi ienh the0 yCu cgu . .
Viec thuc hien c i c lenh trong chu6i cfing sZ duuc ti& hhnh 1 cich t u k tu nhu m8 tA trCn .
Tinh nmg c l a chudi lenh gidp nguZsi van h h h thao tic mot cich nhanh ch6ng $an chg tBi da n h h g sai s6t c6 th6 xiy ra.
b- Chat nngg hi6n thi
Ph6i hop vdi chdc nang di&u khi&n 18 chirc nang hien thi, gidp nguiti van hhnh the0 d8i chat chE cic t r v g thii l h vi&c c l a thiU bi, q u i trinh thuc hi@ cic lenh thao tic ciing nhu cAc th6ng sB v@ hinh .
Ciic tin hieu c h thigt cho chirc nfing hidn thi ciing duuc l8y thong qua c6c BCU, c6c ra le s6 vh bin t h h c i c thigt bi
TrCn man h'mh hidn thi c6 dang nhu sau :
c- Choc nang ghi nh+n cac su co sq kien
Chirc nang ghi nhan c i c sq c6 su ki&n gidp nguiti van hanh lu6n lu6n giim s6t duuc n h h g tinh t r v g bgt thuirng cba cic thigt bi trong he theSng, dinh gii duuc m6.c 66 h6ng h6c , phan tich nguyen nhan d6 c6 phuung i n sir 19 thich hqp. Cac bin ghi su c6 c6 dang nhu sau :