Latest threads in ⧑ Industrial Control Groupshow only best voted threads
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Model matching from frequency data
Hello, I have the response of a system (magnitude & phase) for a few frequencies (50 values). I need to recover the transfer function of this system. I tried the Nevanlinna-Picks interpolation, but it...
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20 years ago
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USB peripheral and Implementing an RF SCI communications on a PIC
Greetings, I have used a PIC 16C84-04/P mico-controller to built a USB peripheral for a remote control. The PIC is also needed for RF transmissions between the remote and another unit. The USB port...
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20 years ago
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What are the five fastest-growing instrumentation technologies?
From market research reports, job listings, and articles I have read, it seems that homeland security, medical applications, the energy industry, water utilities, and the defense industry are the...
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20 years ago
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Re: Specific Gravity Analyzer
Mike, How about using concentration meters (sound velocity principle) from Anton-Paar or Optical refractometers (don't remember the manufacturer's name)? These are not cheap (~ A$ 25K to 30K). Raj
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20 years ago
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Re: [Siemens S7-300] Detecting power failure
Hi "Antrios" I dont know if you know about the additional OB (Organization Blocks) that are provided for restart and cold start (I think they were OB100, OB101, OB102 - but this is just out of my...
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20 years ago
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Eurotherm Needs
Anyone have a source for : Eurotherm/Rosemount/Sensall or Kay RayModel 436 Firing Modules or Model 924 Temp. Cont. Modules?
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20 years ago
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OpenIEC People Recruitment is open !!!
OpenIEC-61131 - People Recruitment
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20 years ago
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Re: Siemens s7-200 equivalent for DIFU Omron instruction
Thanks for your suggest, but there is the -|P|- contact that makes just what I wanted.
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20 years ago
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Sensor for gas station fuel tank level
Hi : I need a sensor to measure the level of a fuel tank in a gas station. I don't need something "fancy". Any resolution and accuracy will be OK. Of course, it must comply with the safety requirement...
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20 years ago
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Hydraulic systems modeling
I'm looking for equations that models hydraulic systems (ie volumetric/centrifugal pumps, piping, relief valves....). Is someone able to suggest me some pages, hints, books... to find some helpful...
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20 years ago
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PID temperatur controller for home brewery
Hi, I'm looking for information on how to build a circuit to control water temp in a heating chamber which will be circulating basically water through it. The chamber will be a 1.5" pipe with the...
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20 years ago
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Re: Controllability of a system ?
[snip] Well, apart from these yer/no tests you can use controllability gramian based tests that also give some information on relative controllability of each mode. Actually some model order reduction...
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20 years ago
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Model Predictive Control + Matlab
Can anybody give me information, site urls or sth else to help me to develop the DMC (Dynamic Matrix Control) algorithm in Matlab? email me plz
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20 years ago
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Re: Inexpensive PLC with Analog Input Cards
ABB have the A Series Server that has Analog Inputs. Programmable in ladder and Function Blocks. Shane
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20 years ago
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FS: BURLEIGH PZT Amplifiers; NEW
Aailable for sale: 1. BURLEIGH PZ-150M Amplifier Driver Unused in perfect condition Two Pieces avalable: $225 each 2. BURLEIGH PZ-300 LC Amplifier Unused in perfect condition Two Pieces availabe: $225...
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20 years ago
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