Latest threads in ⧑ Industrial Control Groupshow only best voted threads
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custom valve manufacturer
Hi, I was wondering if anyone knows a manuafacturer who makes an adjustable metering valve with manual bypass. I want to be able to meter 100% o2 at a flow rate between 0.5 and 2.5 litres per minute,...
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20 years ago
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4 | |
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CD player system tuning
Any guidelines to configure and design parameters of a CD player? Thanks a lot
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20 years ago
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Re: RS232 Link Encryption
yep, but most are on RS-232 serial but only for a few feet of cable before they take a long ride on frame relay or vsat
2
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20 years ago
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Re: Relative Humidity
The first hit when Googling for "bulb relative humidity equation" was: If that doesn't do the job, do your own web search and check out other sites. http://www.uswcl.ars.ag.gov/events/exper/rhdoc.htm
3
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20 years ago
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3 | |
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Battery Monitor Alarm
I am looking for a module that will monitor my battery voltage (12 VDC) in my UPS panel and give a dry contact output for security. I have looked at at $220 it seems alittle bit pricy. Has anyone else...
2
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20 years ago
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2 | |
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Real Time Image Processing
Hello All of you Control Experts!! This might be kind of a cross post but since the final goal of this is for a control system maybe some of you can give me some hints on what to do. I am trying to...
4
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20 years ago
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4 | |
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4 - 20 mA transducer question
I am trying to use a two wire 4 - 20 mA pressure transducer to a PLC analog input, but the PLC is a voltage input. Suggestions? Thanks in advance.
17
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20 years ago
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17 | |
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PIC programming
hi, I want to learn the PIC microcontroller programming for the control applications. Which the best PIC for this and where can i get the information regarding this. Thanks Jenish
2
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20 years ago
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2 | |
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Re: AB PLC 5 and Clary UPS crashes
Your problem may be the UPS, not all units create a clean waveform, especially on batteries. It can be more of a square wave in extreme cases. The PLC 5 does not normally require a UPS if the battery...
6
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20 years ago
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6 | |
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Derivative Action, Blessing or Curse (Booklet and Software)
To paraphrase the children's story "girl with a curl in the middle of her forehead", when derivative action is good it can be very, very good, and when it is bad, it can be horrid. Of the three...
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20 years ago
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Ideas, anyone?
I am interested in the use of multiagent systems (MAS) and holonic manufacturing systems (HMS). I am interested in real-world process control problems that could be solved by the use of intelligent...
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20 years ago
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making a SCADA
Hello, I want to program a SCADA and I need information about OPC and DAIS standards. I don't want to use DCOM objects (OPC) because I want to make a multi-platform servers (HMI clients are well with...
8
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20 years ago
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Re: Polynomial Synthesis
Dear Mik, you can find an extensive source of information on 'polynomial' control synthesis (also called algebraic or input-output approach) at the web page of PolyX company, a producer of a...
1
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20 years ago
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Pit valve controls
Following on from John Shaw's thread, a client of ours who runs a large airport wishes to add some actuated pipeline isolation valves in below-ground valve pits. There is one valve per pit and the...
18
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20 years ago
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18 | |
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Temperature Transmitters
I am wondering if anyone knows of a smart TC temperature transmitter that has 1 4-20 mA signal and 1 or 2 relay outs as well. When I say smart I mean any type of microcomputer based instrument... I...
4
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20 years ago
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