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Hng dn kt ni PLCSIM vi SCADA bng KEPSeverEX5 v NettoplcsimPosted on 08/03/2014

Trong b chng trnh SIMATIC STEP 7 chng trnh PLCSIM gip m phng hot ng ca chng trnh

trn PLC. Khi thit k h SCADA iu khin v gim st, kim tra hot ng ca h thng ta c th s

dng PLCSIM m phng mt PLC kt ni v trao i d liu vi SCADA. Nu chng trnh s dng thit

k h SCADA l WinCC ca hng Siemens th iu ny rt n gin v WinCC h tr PLCSIM. Bi vit ny s

hng dn cch kt ni PLCSIM vi bt k h SCADA no.

Cng c cn c:

B chng trnh SIMATIC STEP 7 V5.5 bao gm PLCSIM phin bn 5.4.

Chng trnh OPC Server c s dng l KEPServerEX 5 : Chng trnh ny c th s dng khng cn

license, khi sau khong 2 ting n s reset v cn phi khi chy li t u.

Chng trnh NettoplcsimS7o min ph, download ti a ch http://nettoplcsim.sourceforge.net/

(phin bn hin ti l 0.9.2)

Cc bc thc hin:

1. t a ch IP ca card mng trn my tnh, v d 192.168.0.101

2. Cu hnh a ch IP trong Project Step 7. Click p vo phn Hardware trong project Step7, s hin ra ca

s HW Config.

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Chn 1 module Industrial Ethernet ko th vo project, v d bm chn module CP 343-1 6GK7 343-

1EX00-0XE0 Product Version 1-5, s hin ra bng thuc tnh ca module ny. Ta cn in ng a ch

IP address v Subnet mask ging nh trn card mng ca my tnh. Sau Save li v ng ca s HW

Config.

3. Chy chng trnh NetToPLCSim.exe, nu ln u chy s hin ra thng bo sau

Bm Yes dng service s7oiehsx ca STEP7. Giao din ca chng trnh s nh sau:

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Bm Add, in tn ty chn vo phn Name, cn phn Network IP Address v Plcsim IP Address in

a ch IP ca my. Sau bm OK.

4. M chng trnh PLCSIM ln, chn phn giao din kt ni ti s xung l PLCSIM (TCP/IP)

chng trnh Nettoplcsims7o bm Start all, nu hin trng thi RUNNING th vic kt ni thnh cng.

5. M chng trnh KEPServerEX 5 Configuration (Start Menu All Programs Kepware

KEPServerEX 5 KEPServerEX 5 Configuration). Bm vo biu tng to mt project mi. Mt

thng bo s hin ln, bm Yes, Update tip tc. Bm vo Click to add a channel.

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Ti cc ca s tip theo hin ln, in tn Channel name ty , ti phn Device Driver chn Siemens

TCP/IP Ethernet, phn Network Adapter chn card mng trn my tnh ca mnh, cc ca s sau chn

mc nh. Sau khi hon tt bm vo Click to add a device. Ca s mi hin ln, in tn Device name ty ,

phn Device model chn S7-300, ti phn Device ID in a ch IP ca card mng, trong trng hp ny l

192.168.0.101, cc ca s sau lm theo mc nh. Ch phn CPU Settings tham s Rack (0-7) v CPU

Slot(1-31) tng ng trong phn HW Config.

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Ca s chng trnh KEPServerEX-Runtime s hin ln nh sau:

Vic kt ni coi nh hon tt, by gi ta c th thm cc tag vo.

Sau khi thm cc tag cn thit, bm lu li. kim tra xem cc tag c hot ng ng khng, bm vo biu

tng Quick Client trn thanh cng c ca KEPServerEX Runtime.

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kim tra 1 tag no y, trc ht cn download chng trnh trong STEP 7 xung PLCSIM, cho PLCSIM

chy, thay i mt bin no bng PLCSIM ri quan st xem trong ca s OPC Quick Client tag tng ng vi

bin c thay i gi tr hay khng. V d trong PLCSIM set MD16=20 th trong ca s Quick Client tag

plcsim.S7.Setpoint c s c Value=20.

Vic kt ni KEPServerEX vi PLCSIM hon tt, by gi c th m chng trnh SCADA v kt ni vi OPC

Server ca Kepware.

joedalton

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