How to Model a Control System?
Need help with how to develop a control strategy and develop a modelling document
Real World Examples of Analog Output Card Applications.
What are some real world examples of PLC analog output card usage besides the obvious motion control?
By MrAnon on 20 November, 2015 - 12:57 pm
Are you asking about a 4 - 20 mA card? 4 - 20 mA is the standard current signal to final control...
Graduate Fellowship for PhD in Control
I am looking for a control engineering graduate who wants to do a sponsored PhD.
Trying to find a proper combination of a PLC and Gear Motor for a simple chain conveyor system I'm developing.
Time Synchronisation in GE 369 and 469
I want to time synchronize GE 369 and 469 relays
Looking for equipment to monitor building sewer line flow so we can be alerted to an imminent backup.
Absolute Encoder Position Data Evaluation
Need help with decoding industrial protocol sensor data
Non-Nuclear Density Meter For Slurry
Posted by Austin Bell on 24 April, 2012 - 2:27 pm
Does anybody know of a non-nuclear continuous in- line density meter for slurry?
By concerned miner on 15 September, 2015 - 10:48 am
It looks as though this cannot be used with abrasive slurries, also can it work with all types of...
Critique of College Project - Control of Servo Motor
Need help in an academic work regarding position control.
Small PLC with 3 Axis Stepper Control
Need a small, reasonably price PLC that can do trapezoidal motion on 3 axes.
By Curt Wuollet on 20 October, 2015 - 2:09 pm
After much research and beating my head against the wall, I think I've found a solution that fits....
By Curt Wuollet on 19 October, 2015 - 4:50 pm
Hi Donny I've been there and considered just that solution. But, I would need either 6 PLCs or a...
By Curt Wuollet on 19 October, 2015 - 1:02 pm
Hi All As I said before, I want to control 3 axes of steppers from a PLC. There seems to be a...
Replacing AC motors with BLDC
Cost effectiveness of replacing AC motors with BLDC motors
By Curt Wuollet on 14 October, 2015 - 9:18 pm
At that power level I would expect VFDs to be at least competitive if not cheaper. Regards cww...
By RussB on 14 October, 2015 - 10:30 am
In nearly all cases the AC VFD will be much less than the cost of a new DC Motor and Controller. ...
Solenoid Fuse Keeps Blowing
Need clarification on problem faced with solenoid in Hydraulic valves
By Roy Matson on 19 October, 2015 - 5:30 pm
> If the diodes are in a bridge setup, you can substitute a > 50 amp 1000 volt bridge...
GE Hydraulic Oil Accumulator Pressure
Posted by dontknowman on 1 October, 2015 - 5:40 am
Reason for adjusting GE hydraulic oil accumulator pressure to 52 bar?
By Peter Nachtwey on 4 October, 2015 - 11:00 pm
A lot depends on what you are trying to do but for keeping the pressure as constant as possible for...
BLDC motor current control
Encountering problems in setting up a current sensor for current control in a BLDC Motor
By rik stratech on 3 October, 2015 - 11:54 am
Isn't so that an AD 620 can be powered by both plus and minus? Then it should give negative values...
Measuring Output Current on an AC Motor Drive?
I need to log current and voltage output on one leg of an AC motor.
How Does The Output Of The Pid Controller Remain Non-Zero?
How does the output of the PID controller remain non-zero after the error becomes zero?
By Peter Nachtwey on 24 August, 2015 - 7:00 pm
There are non-integrating and integrating systems. Temperature and velocity control are...
SEW Geared Motor with ABB ACS 550 VFD
Can I operate a SEW Geared Motor with a ABB ACS 550 VFD Drive?
What is the significance of Bleed Valve operation from start up to full loading a Gas Turbine?
Looking for others experiences with Yaskawa L&T LT Drives
Moog Servo Valve Operation
How does a MOOG servo valve operate?
How to Communicate with Allen Bradley 1394 GMC turbo
Posted by Muhammad Zeeshan Qureshi on 8 August, 2015 - 1:27 am
Problems Communicating with Allen Bradley 1394 GMC turbo system
By Muhammad Zeeshan Qureshi on 4 September, 2015 - 12:53 am
Thank you for your response. Actually I am a beginner of Allen Bradley and GMC Turbo. I set the...
Inductance Measurement of 3 phase motor
Looking for a Motor Drive
Looking for a motor drive and I don't know where to start
Controlling Variable Frequency Drive Speed
Controlling motor speed with VFD
AC 110V solenoid valve vs. DC110V
Posted by reza heydari on 8 March, 2007 - 11:07 pm
AC 110V solenoid valve vs. DC 110V
By Rob H on 19 August, 2015 - 9:39 pm
I have worked in industry for years and one of the first things I came across was a burned, melted...
Controller Design for an Exponential Plant of the Form y=a*exp(bx)
PID control for plants of the form y = a*exp(b*x)