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Static circuit breakers

Here's another interesting problem: We need small (up to 20A) remotely-resettable circuit breakers for a remote site (p...
9 comments posted 23yrs
posted by cdorrough
9 comments posted 23yrs posted by cdorrough

custom valve manufacturer

Hi, I was wondering if anyone knows a manuafacturer who makes an adjustable metering valve with manual bypass. I want t...
4 comments posted 23yrs
posted by will
4 comments posted 23yrs posted by will

CD player system tuning

Any guidelines to configure and design parameters of a CD player? Thanks a lot
0 comments posted 23yrs
posted by abc
0 comments posted 23yrs posted by abc

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 comments posted 23yrs
posted by bogus
2 comments posted 23yrs posted by bogus

Re: Relative Humidity

> > Does anybody know an equation for calculating relative humidity > when wet bulb and dry bulb temperatures are known...
3 comments posted 23yrs
posted by rob.ellwood
3 comments posted 23yrs posted by rob.ellwood

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 f...
2 comments posted 23yrs
posted by bernieyeater
2 comments posted 23yrs posted by bernieyeater

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...
4 comments posted 23yrs
posted by mail
4 comments posted 23yrs posted by mail

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. Sugge...
17 comments posted 23yrs
posted by mjrx
17 comments posted 23yrs posted by mjrx

PIC programming

hi, I want to learn the PIC microcontroller programming for the control applications. Which the best PIC for this and wh...
2 comments posted 23yrs
posted by junuchettri
2 comments posted 23yrs posted by junuchettri

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...
6 comments posted 23yrs
posted by dummy
6 comments posted 23yrs posted by dummy

Ideas, anyone?

I am interested in the use of multiagent systems (MAS) and holonic manufacturing systems (HMS). I am interested in real...
0 comments posted 23yrs
posted by nospam
0 comments posted 23yrs posted by nospam

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...
8 comments posted 23yrs
posted by nospam_heltenaNO_S_P_A_N_G
8 comments posted 23yrs posted by nospam_heltenaNO_S_P_A_N_G

Re: Polynomial Synthesis

Dear Mik, you can find an extensive source of information on 'polynomial' control synthesis (also called algebraic or i...
1 comments posted 23yrs
posted by zdenek.hurak
1 comments posted 23yrs posted by zdenek.hurak

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 is...
18 comments posted 23yrs
posted by cdorrough
18 comments posted 23yrs posted by cdorrough