Databse Tend Window

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HNG DN TO

Database Window - Database Trend Lu gi tr ca Tag v thi gian vo file MS.Access

Hin th trn Object Database Window (c th Update data trn database Window)

Hin th cc gi tr ca Tag bng th s dng Object Database Trend (Update data, chn thi

gian xem data, phng to or thu nh hin th ca th)

1. To file Access.mdb To 1 Table c tn Bang1 v 3 ct: Thoigian,Tag1,Tag2,Tag3 nh hnh di

Lu vo mt th mc.

2. To Project mi hoc module bn mun s dng trong Autobase Studio To 3 Tag AI kiu Memory v vit Script t ng thay i gi tr cc Tag v lu cc gi tr ny vo Database mi s 1 ln (ty chn)


3. To kt ni gia Autobase v file Access, trong chng trnh Studio t menu chn Config/Database Connection

Chn nt Add sau thit lp cc thong s nh hnh di trong mc Connection String ta phi nhp ng ng dn lu file Access va to trn, nhn nt Connection kim tra kt ni nu bo nh hnh di l OK.

click


4. To cc Tag test To 3 AI Tag kiu Memory

Lp cc thuc tnh ca Tag nh hnh di


5. Vit Script n gin t ng thay i gi tr ca Tag 1s 1 ln (gi tr thay i t 0 ~

65535 ) T menu chn File/ Script/At Program Running

Chn Add v t tn cho Script

Click kp phi chut vit Script


Nhn Help v chn th Index tm cu lnh Rand ly gi tr mc nh

Vit on chng trnh sau


(nhn nt Tag trong hp thoi ln lt chn cc Tag)

Sau nhn Complie kim tra c php cc cu lnh nu bo Success l c. Nhn OK thot v nhn Local Main chy chng trnh

Nhn nt Run/Stop kch hot Script va vit (ch cn kch hot mt ln duy nht) kim tra xem cc gi tr ca Tag thay i cha ta chn View/ Entire Tag


Nu cc gi tr ca Tag t ng thay i nh hnh di l OK

6. Vit Script lu cc gi tr ca Tag vo Database m ta to ra trn

T menu chn File/ Script/At Program Running


Trc tin ta s lu ngy gi ca h thng vo ct ThoiGian trong Database to Dng cc cu lnh hnh di ly ngy gi ca h thng


lu d liu ca cc Tag v d liu ngy thng hin ti ta s dng cc cu lnh sau

Gii thch: Cu lnh@sprintf(buf,"%02d/%02d/%04d %02d:%02d:%02d", d,mon,y,h,m,s); lu

d liu thi gian vo bin buf vi nh dng thi gian l ngy/thng/nm gi/pht/giy nh dng ny phi ging vi nh dng ca h iu hnh trn my tnh

dang s dng nh th cc d liu mi hin th trn Database Trend c


Cu lnh@sprintf(query,"INSERT INTO Bang1 (ThoiGian,Tag1,Tag2,Tag3) VALUES

('%s',%05d,%05d,%05d)",buf,$Tag1,$Tag2,$Tag3); V @DbCommand("connect", query); thc hin chn data vo Database Khai bo cc bin s dng trong Script bng cch nhn nt Add v khai bo nh hnh di

Sau khi vit xong script v compile chy chng trnh m file Access ta s thy kt qu nh hnh sau


Vic lu d liu vo database hon thnh tip theo s hin th d liu ny trn Object ca Autobase

7. Chn Object database Window

Chn database Object v click kp chn cc thng s nh hnh sau


To nt nhn t tn l Update vit Script khi nhn vo nt ny cc d liu c cp nht t file Database


Click kp vo nt nhn va to chn th Expand, chn nh hnh di v vit Script cho s kin Mouse On Down


Chy chng trnh v th kim tra

Tip theo chn Database Trend hin th cc d liu trn th


vic theo di d liu c thun tin ta c th vit thm Script d liu lun c cp nht v hin th trn Database Trend ta thc hin nh sau: Trong chng trnh Studio chn File/ Script/At Program Running vit tip vo Script savedata.CTLX 2 dng lnh sau:

Nhn chut phi vo vng ny

chn thi gian xem d liu


Sau chy chupwng trnh v quan st. phng to hoc thu nh phm vi hin th ca th ta to hai nt nhn v vit Script cho tnh nng m rng nh sau:

Vit cho nt phng to s kin Mouse On Down


Vit cho nt thu nh s kin Mouse On Down


Sau chy chng trnh v th quan st kt qu Nu nh cc bn mun xem thi gian trc d liu th hin nh th no trn th ta c th to thm 2 nt nhn thc hin dch th qua tri hoc qua phi


Vi nt nhn dch qua tri (xem hnh)


Vi nt nhn dch qua phi

Nhn Ok hon thnh v chy chng trnh


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Databse Tend Window