文件名称:
OPC技术在制米厂监控系统中的应用.pdf
开发工具:
文件大小: 440kb
下载次数: 0
上传时间: 2019-10-12
详细说明：OPC技术在制米厂监控系统中的应用pdf,OPC技术在制米厂监控系统中的应用20087
Setm Y Items= MYGroup OPCItems
Private Sub d isconnect_Click()
M YG oup O PC Item s Defau llsa ctive True
On error goto errot andler
For i= 1To 5
MYOPCServer d iscornecl
Item Ds (i)= Text(i). Text
Setmyo PC Server nothing
I tem ClienT and les( i)
Exit sub
Next
Erron andler
Call myItems addItem s( 5, Item IDs ItemCIr
M sgBox Err Descrition Chr(13)+"Discon-
enH and es myltemServefl and les errors
necting from OPC Server", vbCritical ERROR
For i= 1to 5
End sub
Ifn ot E rois()=tHen
g Box "Item Strs(i)+FA IED. Error
Strs( Errors( 1), vbC rit ica
end if
N exu
Exit sub
Errot andler
M sgBox Err Descrpt in Chr( 13)+"n itia l
OPC
connection fail". vbC rit ica]E rror
OPC
End sub
PLC PC
VB
HⅥI
S7200
Private Sub M ygroup_Data Change( ByV al Transac
PLC MPI/PPI
tind as Long ByV al Num Items As Long Clr
enH and bs()as long Itenvahes()as v ariant Qua H
it es( As Long Times tamps()as date)
OPC
On error r esimen ex t
Dim i as hn teger
Dim iAs integer
[1] Steven Holzner. V isual Basic 6
M
For i= 1 To numitems
1999
r= Clien h and les(
V isual basic 6 0
Lnel( il). BordeC olor Seco lor( Item vaues
M].
,1999
PCO
200
adodcl recordset a don ew
VB
J
200518(5):5
A dodol. Recordset Index= Itemvahes( i)
[5]
VB
W incc
In dex
J
200524(11):50
N
[6]
O
PLO
End sub
00615
(20):78
200
o1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net
20087
3
9#
/s
CO CH
NOX
(AT)
400
(MT)
400
2004
21.4
Wlo
35%
147
[]
[M].
1999
[2]
[MI
,200
[3]
5-8
App lication Investigation of B io- ethanol on Vehicle
JIQ ing-shan YU W an- hai
(X ingtai Po ly techn ic College X ng tai 054035 Ch na)
Abstract Th is paper discusses the app lication of ethan o k- gasoline on an spark ignition eng ne The resu lt show s that the
Eng ne can keep the pow erwh ile fue lig eh ano I- gasoline or gaso line w ithout any ad jusm ent E thano l is an ideal substr
tutie fue l for gaso line and prov ie ideal foreground for the agricu lura I products
Key words m ethanol gaso lne veh icle b i-ethano
200
abstract d:1003-188X(2008)07-0198-FA
Design of hMi Based on OPC
WANG X ian bIYun-feng
School of Communicatin and Con trol Jiangnan Un iversity Wuxi214 122 Chia
Abstract OPC supply a stand ard for data exch ange bet een different sofw are and hardw are This paper presen ts a new
nethod of HM I based on OP, part icu lark for he process of rice podu ction. V isua I Basic is used to realize the whole
des in, wh ich b sin ple il cOlslnuction and easy for operaLion. A na ys is m a inly focuses OPC techno logy and user ar
Key words OPC; VB client datab ase Im i
o1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net
(系统自动生成,下载前可以参看下载内容)
下载文件列表
相关说明
- 本站资源为会员上传分享交流与学习,如有侵犯您的权益,请联系我们删除.
- 本站是交换下载平台，提供交流渠道，下载内容来自于网络，除下载问题外，其它问题请自行百度。
- 本站已设置防盗链，请勿用迅雷、QQ旋风等多线程下载软件下载资源，下载后用WinRAR最新版进行解压.
- 如果您发现内容无法下载，请稍后再次尝试；或者到消费记录里找到下载记录反馈给我们.
- 下载后发现下载的内容跟说明不相乎，请到消费记录里找到下载记录反馈给我们，经确认后退回积分.
- 如下载前有疑问，可以通过点击"提供者"的名字，查看对方的联系方式，联系对方咨询.
