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Thermal Overload
The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
What is a magician but a practising theorist?
-- Obi-Wan Kenobi
-- Obi-Wan Kenobi
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Thoughts on motor types for high speed flywheel energy storage.
New Replies:
By Will Hatch on 19 April, 2009 - 1:01 am -
To all the people who are interested in this type of project.
I studied electrical engineering...
I need ABB Manual please share me.
Intermitant feedback voltage increase in Woodward fuel valve
designing a 360 turntable
New Replies:
By Ken Emmons Jr. on 17 April, 2009 - 8:46 am -
I've never used them, but you might try looking at oriental motors. They have a stepper based...
By William Sturm on 16 April, 2009 - 5:03 pm -
Here are some companies that make reasonably simple looking stepper drive systems:
...
How to identify wires of motor
High duty cycle 12-24VDC linier actuator 3-6in stroke
New Replies:
By roy Matson on 14 April, 2009 - 10:45 am -
Check out LINAK, their LA12 model should do what you want. I recently used 6 of thes for a mining...
12-24VDC 2axis controller with joystick input for remote vehicle
controlling the motion of a radar dish
New Replies:
By Peter Nachtwey on 9 April, 2009 - 9:43 am -
The are motion controllers designed specifically for controlling hydraulic systems like these that...
By William Sturm on 8 April, 2009 - 7:52 pm -
Ken's suggestion of a Galil or Delta Tau controller is a good one. You say you are closing the...
By Ken Emmons Jr. on 8 April, 2009 - 2:04 pm -
I have only done motion control with motors, but some of the theory
applies. Here are some...
By William Sturm on 8 April, 2009 - 12:32 pm -
PID should be able to work, I would advise using velocity feedforward along with proportional...
A new adventure
New Replies:
Galil motion controllers have CAD-to-DMC software allowing translate *.dxf or other AutoCAD files...
Nitrogen and oxygen contents in trasformer oil...
New Replies:
By phil corso on 6 April, 2009 - 1:01 pm -
Paru,
most of the times the ingress of air occurs because of what is referred to as...
By paru on 6 April, 2009 - 3:26 am -
Phil
i remember you told about the temperature of oil when the sample was taken. But now in this...
By Phil Corso on 5 April, 2009 - 3:16 pm -
Paru, did you implement the precaution(s) inherent in my Jan remarks?
Phil...
By paru on 5 April, 2009 - 5:38 am -
Hi phil
no this is another trafo. We had earlier high ppm for nitrogen and oxygen and then we did...
By Phil Corso on 4 April, 2009 - 4:49 pm -
Paru, is this the oil you referred to in your Jan-09 thread?
Phil Corso
...
Control System: Siemens 840D Computer Numerical Control
New Replies:
By David Mertens on 6 April, 2009 - 3:17 am -
Sinumeric 840D is a current product, manual available at :
...
By vahid on 3 April, 2009 - 9:42 am -
If it is Siemens product, I suggest you to ask Siemens service department to make sure that it is...
Can the Allen Bradley Contrologix System and Kinetix drives accept Endat 2.1?
how to make ladder program while using encoder and high speed counter?
from the Electrical engineer department...
Medium Voltage Variable Frequency Drive to Control the Speed of MotorI am electrical engineer by profession and currently I am doing research on medium voltage Variable Frequency drive (also called as VFD, VSD, AC drive, VVVF, etc.)
New Replies:
By Sreejith K.G on 31 March, 2009 - 9:56 am -
Dear Mahesh,
I am working in this field and have commissioned quite a few no of MV Drives..in...
Dear Mahesh,
Nice to meet you here.
I work in the manufacturer of frequency inverter of...
Sinamics problem on S120; CU320 infeed problem.
New Replies:
By anonymous on 30 March, 2009 - 3:27 am -
Hi,
Please have look at description of the parameter p3410 of a CU. This
describes how to carry...
Can anyone help with advice on the parts needed for a radio-controlled lawnmower I am about to build?
New Replies:
Visit http://www.remotemower.com to see a commercially available remote controlled lawn mower. My...
What is Lock Up Valve?
Ladder diagram in AB PLC5 or AB Control Logix for monitoring machine Speed
Try to communicate between SLC MVI46-MCM and Trio motion MC206X
setup of io scanning between 2 plc's
working of coil servos of GE MARK VI System
New Replies:
Mohsin, do yourself a favor and use the power of the internet, and also the power of the search...
Need circuit board for monitor on bosch cc100 controller...
New Replies:
I repair these monitors.
Where are you located?...
Voltage free contact
New Replies:
By JM on 12 March, 2009 - 7:32 am -
Voltage free contact means that the contact is free to carry whichever voltage you choose to...
My son's razor E100 scooter stopped working and I believe it's the motor controller.
New Replies:
By CSB on 11 March, 2009 - 4:24 pm -
I am having a problem with a Scoot-n-Go scooter my friend gave me.
We converted it to an...
RTU over Ethernet Problem
New Replies:
That won't work, Craig. If you want to encapsulate Modbus RTU serial in a TCP or UDP packet you...
By Fred Loveless on 10 March, 2009 - 5:28 pm -
Yes as long as it is not adding a Modbus Ethernet header and footer to the packet. You want a raw...
By Craig on 10 March, 2009 - 2:38 pm -
So your saying if I use a serial RTU driver and go through a RTU to TCP convertor I should be good?...
General form fuzzy rulebase for PMDC speed control
When we lift a load about 10 tons, it runs well, but with a load about 12 tons, when starting pull up, load pulls the hoist down...
New Replies:
By Fabio Castro on 9 March, 2009 - 9:54 am -
- First, be sure than you choose de Open loop Vector Mode. If you selected V/f is posible a failure...
By Roy Matson on 5 March, 2009 - 7:24 am -
Perhaps you just need to change the Voltage to frequency curve.
The drive probably came standard...
Synchronous Servo Motor
New Replies:
dear,
we can not use synchronous servo motor with VFD, because the prior information or detail...
By William Sturm on 5 March, 2009 - 10:23 am -
Generally, I would say no. Some VFD's have a mode for a brushless DC motor, but it is not common.
...
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