ao nam mdi 2010<br />
<br />
<br />
NGU6N TI^T K|£M NANG LUONG M ^<br />
tat cac thiet bi dien ciing v ^ chilcfng trinh<br />
<br />
Profienersrv<br />
T<br />
Ngffdi cuoi cung rdi khdi nha<br />
may lieu ed tat cac thiet bi khdng?<br />
Cac thiet bi nay tieu ton rat nhieu<br />
dien nang khi d trang thai chay<br />
khdng tai ma khdng dffdc sff dung.<br />
Thomas Schott, Phd chu tich hang<br />
Siemens AG, chuyen ve tff ddng hda<br />
xi nghiep, ndi vie each thffc edng ty<br />
dng ung hp Mercedes - Benz vdi sang<br />
kien tiet kiem nang Iffdng dien.<br />
Ong Schott giai thich rang nha<br />
san xuat d td Mercedes - Benz dffa<br />
ra muc tieu giam 20% nang Iffdng<br />
tieu thu cho moi xe trong thdi gian<br />
hdn 5 nam tff 2007 den 2010. De dat<br />
dffdc muc tieu nay, hp da cd cac tinh<br />
toan khi san xuat than xe - cac tinh<br />
toan nay chi ra rang ed rat nhieu<br />
Ong Schott ndi," Ngay nay, d dau dd Muc dich cua chffdng trinh nay la<br />
nang Iffdng tieu thu - ngay ca khi<br />
ngffdi ta da sff dung cac phffdng cung cap mot phffdng phap ddn gian<br />
ngffng san xuat va may mdc chay<br />
phap giam nang Iffdng tieu thu cho de quan ly tap trung viec eat giam<br />
khdng tai.<br />
san xuat nhffng chffa cd ai thffc sff cac tai dien vd ich trong qua trinh<br />
quan tam tdi van de giam nang tam ngffng san xuat. Viec nay dula<br />
Khdng lam gi nhu'ng<br />
Iffdng tieu dung trong thdi gian tam vao tieu chuan ciia mang Ethernet<br />
vSn CO the tieu ton ngffng san xuat". trong edng nghiep va ed sff dung<br />
nhieu tien cua cong ty Profinet.<br />
Giai doan khdng san xuat cung Ap dung chiTtfng trinh Cong viec nay bat dau vdi viec<br />
cd the ngan hdn rat nhieu, chang Profienergy trien khai dff an vao dau n§m 2009<br />
han nhff thdi gian khi cac edng nhan Rd rang nganh edng nghiep d td va cd sff tham gia ciia 30 cong ty<br />
san xuat d td nghi an sang hoac thdi da cam nhan dffdc sff can thiet phai trong nganh edng nghiep tff dong<br />
gian can de udng mot chai bia trong cai tien. hda bao gom ca Siemens. Cac v3n<br />
gid nghi an trffa. ban hien dang dffdc PNO xem x6t I9I<br />
AIDA, To chffc Sang kien tff ddng<br />
Cac nghien cu\i chi ra rang bp hda cua cac nha san xuat d td Dffe , va se dffdc phe duyet vao dau 2010.<br />
phan san xuat lien tuc thffdng tieu yeu cau PNO - To chffc nhuYig ngffdi Cac san pham Profienergy dSu<br />
ton khoang 60% nang Iffdng vao sff dung Profibus (giao thffc mang tien cua Siemens cung nhff cua c k<br />
cuoi tuan. Od la 60% nang Iffdng may tinh edng nghiep phd bien nhat) edng ty khac, dffdc hy vpng se xult<br />
thffdng sff dung trong sudt qua trinh dffa ra mot chffdng trinh phi ldi hien vao n^m 2010.<br />
san xuat thffc te. nhuan dffdc gpi la Profienergy vao<br />
"Day chinh la dieu can thay ddi" cuoi nam 2008.<br />
<br />
44 TV OpNG HOA NGAY NAY • (86 1 +2/2010)<br />
cdn trong gid nghi ngan nhff nghi an nang Iffdng eiia Siemens: "Siemens cung<br />
sang. cap cac san pham va cac giai phap ho trd<br />
Profienergy se sff dung mot sd lieu tat ca cac giai doan trong viec kiem soat<br />
tieu chuan dffdc thiet lap de cho phep lap nang Iffdng cua khach hang, tff giai doan<br />
trinh ddn gian cho cac thao tac chuyen hinh anh hda vdi Sentron PAC va phan<br />
Thomas Schott ddi phffc tap. mem kiem soat nang Iffpng thdng qua<br />
Pho Chii tich Siemens AG<br />
Tieu chuan mdi nay cd the ap dung cac giai doan danh gia<br />
cho cac nganh edng nghiep che tao va Ong Schott dffa sff dung Simatie<br />
Tai sao khong chi t^t thiet cac nganh edng nghiep nao can cac Powerrate va EOA - gdi dich vu giiip ich<br />
bi di la dUgtc? khoang thdi gian nghi giai lao dac thu. cho viec sff dung nang Iffdng trong nha<br />
Tai sao lai can ed chffdng trinh tff may, cho den giai doan tinh toan gia<br />
ddng hda va chffdng trinh giao tiep phffc SU tham gia ciia Siemens thanh vdi cac giai phap nhff Sinasave va<br />
tap de tat mot loai may mdc khi khdng Ong Schott md ta each Siemens tiep cuoi cung la giai doan thffc hien tren cac<br />
sff dung den? can vdi viec cai tien hieu suat nang Iffdng san pham mdtd, bp ddi dien va cac thiet<br />
Theo dng Schott, cac giai phap ap lien tuc. Cach tiep can nay giong nhff mot bi khdi ddng mem".<br />
dung trffde day cd lien quan den viec tat quy trinh bao gom 3 giai doan: nhan biet, Vi du cu the md ta tdm tSt ve dff an<br />
thiet bi bang phffdng phap thu edng danh gia va thffc hien ma edng ty dng dang tien hanh cung vdi<br />
trong thdi gian nghi deu rat ton thdi gian Ong cho biet " 6 qua trinh Nhan biet, Mercedes Benz. Muc tieu d day la nhan<br />
va khdng dam bao. Chung tdi chi ra rd rang mot thiet bi may biet dffdc bao nhieu nang Iffdng dffdc<br />
Profienergy cho phep cac tai dien mdc va mot nha may tieu thu bao nhieu tieu thu trong mot bd phan cua nha may<br />
khdng dffdc sff dung se tff ddng ngat vao nang Iffdng. 6 day chiing tdi ap dung he san xuat ma ed cac thiet bi bao gom bd<br />
gid nghi hoac tff ddng giam nang Iffdng thdng kiem soat nang Iffdng Simantic dao dien cua Siemens G120D.<br />
tieu thu. Powerrate. Khi thffc hien dffdc bffdc dau He thdng Simatie Powerrate da dffdc<br />
Ong giai thich rang nang Iffdng tieu tien nay, chung ta ed nhan thffc tich effe ap dung ciing vdi cac ky thuat do dac.<br />
thu se dffdc cat giam bang each Iffa chpn hdn ve nhu cau nang Iffdng". Nang Iffdng ma nha may yeu cau dffdc<br />
cat cac chffc nang va/hoae cac may mdc Bffde thff hai, Danh gia, chiing tdi phan tich va the hien trong cac dieu kien<br />
ddn le, khdng chi trong gid nghi chinh ma phan tich kha nang cua qua trinh cai tien. khac nhau eiia nha may nhff "He thdng<br />
Cuoi cung, trong bffde thff ba, bffdc md" hoac "He thdng d trang thai dffng<br />
niumption m«MSuramant • Thffc hien, cac phffdng phap nhan dang yen".<br />
»r body ih«ll va danh gia dffdc tien hanh nham dat Nghien cffu nay da lam ndi bat cac<br />
dffdc muc tieu cua mot nha may cd hieu tiem nang cai tien ed the dat dffdc bang<br />
suat nang Iffdng cao hdn. each eat cac tai dien khdng sff dung den,<br />
<br />
fnifli' I<br />
"Day la giai doan ma Siemens dffa ra<br />
nhieu giai phap ve hieu suat nang Iffdng<br />
vi du cac tai dien d mffc 400V va 24V.<br />
Ket qua la chiing tdi phat hien ra<br />
1 cho qua trinh san xuat va cung dffa ra he rang chi can khdi ddng day chuyen san<br />
thdng quan ly tai dien vdi Simatie Power- xuat 10 phut trffde khi bat dau ca lam<br />
rate" dng Schott cho biet. viec.<br />
He thdng Simatie Powerrate se tam Chi phi nang Iffdng cung giam di<br />
thdi cat bd cac tai dien trong he thdng bang viec sff dung he thdng truyen ddng<br />
phu trd neu nhff dff doan thay mot tinh FU G120D giup phuc hdi n5ng Iffpng<br />
DSy la moi lo ngai ciia cac nha san xuat 6 to hudng qua tai. trong khi ham tdc do lam viec.<br />
• khi ho phai chi tra nhieu cho phan nSng Vdi quan diem nay dng cd dffa ra mot THU HOAI<br />
ludng tieu hao ngay ca trong thdi gian nghi<br />
quang cao cho cac san pham tiet kiem (Theo www.automation.com)<br />
giai tao.<br />
<br />
(S6l+2/2010)'4TVOdNGHpANGAYNAY 4S<br />