Automation & Control Engineering

Automation & Control Engineering

About the Automation & Control Engineering Group

A group designed to share information, insights, and opinions on the topic of industrial automation and control in the discrete and process manufacturing sectors.

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Most Popular Discussions

Samir N.

Samir

Please suggest Cheapest PLC for digital application with 24 digital inputs and 18 outputs..

posted 25 days ago

Juan Eduardo S. 19 minutes ago • Edit • Delta DVC PLC are one of the cheapest in the market. But if your applications don't need a short scan time and the price is the really ... »
See all 65 comments »
Jim M. David B. Juan Eduardo S.
Dinesh G.

Dinesh

measuring water tank level -- which sensor to use ?

How can i measure water tank level using a sensor attached to miicrocontroller.
Means what will be the cheap & best sensor for this ...

posted 2 days ago

Todd H. 18 minutes ago • Edit • Ultrasonic is the best choice for tank level if you're looking for a non contact solution. If there is some turbulence in the tank media, you ... »
See all 20 comments »
James Y. Theewin J. Todd H.
Víctor Daniel P.

Víctor Daniel

How do you decide when to use redundant input/output in a control loop? Is there any standard or good practice code covering this issue?

posted 11 days ago

Bob E. 1 day ago • Edit • Hi Victor. Most people who have given you answers have focused purely on SAFETY. IEC 61508 and IEC 61511, the latter being described as SIS when ... »
See all 25 comments »
Javier F. Alejandro V. Bob E.
Hisham A.

Hisham

Hello Engineers, The Proper Flow Characteristic of the Control Valve

How can i select the proper flow characteristic, as linear ,quick opening or equal percentage, of the control valve to control the ...

posted 4 days ago

Hisham A. 1 hour ago • Edit • Thanks R.Russell, I Know that your recommendation is very accepted, but i want more practical concepts in this point. »
See all 5 comments »
R. Russell R. Hisham A. Hisham A.
Vasanth S.

Vasanth

Which is the widely used DCS? Honeywell experion LS or YOkogawa?

posted 4 months ago

ipunk R. 10 hours ago • Edit • ipunk likes this. »
See all 26 comments »
Sub M. Nabil F.
Rizwan Q.

Rizwan

Question to all Automation/control/software professionals??/

If there is any possibility or what is the probability that a PLC program may malfunction due to a hanged memory bit/location..?if yes ...

posted 5 days ago

ipunk R. 10 hours ago • Edit • ipunk likes this. »
See all 11 comments »
Ishmael A. Jim C.
Omar B.

Omar

To connect DCS with TCS "Turbine Control System" which better to connect througth MODBUS TCP-IP protocol or through OPC?

posted 4 days ago

ipunk R. 10 hours ago • Edit • ipunk likes this. »
See all 12 comments »
John P. Peter S.
Ishmael A.

Ishmael

AB PLC down for 4 to 5 years can not establish cooms, plc shows faulted,can someone please help me.Even a new program can not...

The controller is slc 5/03 and the software is rs logix 500 for a kc plant.

posted 16 days ago

Ishmael A. 1 day ago • Edit • Thank you all fro your advice, it has finally been seen that the problem is coming for the backplain(chasis) which was shorting to ground. ... »
See all 10 comments »
Paul M. Ishmael A.
Ishmael A.

Ishmael

Tips for the weekend: “You can’t manage what you can’t control, and you can’t control what you don’t measure.” So you must measure...

posted 1 day ago

David V. 23 hours ago • Edit • David likes this. »
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Carlos U.

Carlos

I am looking for a general application data logger. It has to gather the data via serial using modbus. Also, it has to have an user...

posted 4 months ago

Michael B. 2 days ago • Edit • If you have not looked at OPTO22 - they have alot of options hardware and software. ... »
See all 39 comments »
Bruce B. Adam H. Michael B.
Mario L.

Mario

Is it possible to install a complete SCADA system to monitor and control small water district for less than $20,000?

posted 1 month ago

Mario L. 2 days ago • Edit • Hi David: I started this blog to find out if people thought they could do what we have done for much lower than $20K. We used 4 wireless ... »
See all 75 comments »
Duncan S. David C. Mario L.
Alex W.

Alex

Has software -- either development or use of sophisticated tools -- become a more important part of your job? Please Explain how.

posted 1 month ago

Geoff R. 2 days ago • Edit • Indeed it has. As operational systems scale up our customers are telling us the current software architectures cannot cope. At best they get ... »
See all 4 comments »
JOSEPH S A. Chris H. Geoff R.
Emeka O.

Emeka

i will someone to suggest for me a flow computer that i can use to measure total volume of gas on a custody transfer pipeline that does...

posted 6 days ago

emily X. 2 days ago • Edit • Dear Mr Emeka: ... »
See all 3 comments »
Yasser B. Mike O. emily X.
Manish Raj T.

Manish Raj

How can we divide Single RS232 output from a sensor for two computer or two device.Is there any readymade device?

posted 5 days ago

Alan J. 2 days ago • Edit • Thanks Bob! »
See all 7 comments »
Alan J. Bob H. Alan J.
Ryan M.

Ryan

Looking for a PLC or SCADA package that allows data logging and graphing of current values Vs previous weeks or Vs previous months, any...

posted 2 months ago

Steve K. 3 days ago • Edit • I can see a couple of options here. It seems that you are only monitoring limited datapoints for analysis. ... »
See all 34 comments »
Adeel H. Gelu F. Steve K.

About this Group

  • Created: May 20, 2009
  • Type: Professional Group
  • Members: 28,840

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Alex W.

Has software -- either development or use of sophisticated tools -- become a more important part of your job? Please Explain how.

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