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Can i connect PLC with HMI and SCADA together ?

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تم إضافة السؤال من قبل ahmed el-sayed , Electrical&Instrumentation Engineer , Engineering Management of Zagazig University
تاريخ النشر: 2016/09/13
SAJIN THOMAS SABU
من قبل SAJIN THOMAS SABU , Automation Engineer , Microcontrol for Engineering and Control System

Yes... You can even connect more than 1 Hmi and Scada to single Plc. The maximum limit depends upon the connunication protocol used. U have to give different addresses to each Hmi or scada..

Paulvin Mathew
من قبل Paulvin Mathew , Lead Instrument Engineer/ Project In charge , KNPC- TR- IMCO

Answer is yes . opc servers is one such solution for this 

ismail azaly
من قبل ismail azaly , Electrical and Automation section head , juhayna for food industries

yes , it makes the control system more flexible 

مستخدم محذوف‎
من قبل مستخدم محذوف‎

To connect elements of a SCADA system, first you will need to choose and use a communication network.

On the a.m. bus you can connect several elements (atention: if you have an old point to point communication network then it's only 2 elements on the network).

With all the actual field buses you can inter connect dozens of PLC's (Programable Logic Controllers), HMI (Human Machine Interfaces), SCADA Servers and Clients, VSD (Variable Speed Drives), etc. 

 

Wael Alaswad
من قبل Wael Alaswad , Maintenance Manager and deputy operations manager , Alshifa Medical Products Co.

yes we can connect the same PLC cpu to HMI and SCADA together using suitable protocol.

مستخدم محذوف‎
من قبل مستخدم محذوف‎

Yes ofcourse. HMI is in most cases cut down version of SCADA.

ASHRAF WAGIH ISKANDER
من قبل ASHRAF WAGIH ISKANDER , Senior Application Engineer , BISAN Inc

Nowadays, HMI's are integrated with SCADA ( all in one). You can connect PLC with a screen which represents both by means of Ethernet or Profibus DP protocols.

To do so, PLC must have a communication port and HMI/SCADA also must have the same. HMI must have a software which carry on communications between both ( as WINCC by SIEMENS)

Shinas Shajahan
من قبل Shinas Shajahan , Electrical Engineer , Al Nasr Contracting Company

Yes , we can connect HMI (Human Machine Interface) and SCADA to a PLC. You can connect by using Ethernet or DP protocols. 

Sadeq Al-Abbad
من قبل Sadeq Al-Abbad , Service Specialist , Halliburton Energy Services Inc

yes you can connect plc with HMI/SCADA in the same time but you have to give diffrent adress for each one

Prasad Mantri
من قبل Prasad Mantri , Senior Instrumentation Engineer , PRAJ Industries Ltd

yes we can connect more than 1 HMI and SCADA to single PLC. The maximum limit depends upon the communication protocol used. 

faizan ahmed
من قبل faizan ahmed

yes i can. the coded signals are linked with proper communcation channels(plc) which are then presented graphically through hmi

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