Looking for recommendations for an evaluation board for a BLDC hub motor.
Setting up Profinet I/O in Siemens TIA Portal
Siemens PLC Controlling a Lenze servo
By Steve Myres on 28 November, 2016 - 4:10 pm
The general procedure for third-party slave devices is to download from the manufacturer the...
Modbus RTU Communication Between HMI HNC-TP2507 and DANFOSS FC51
Posted by Sebastian Azcurra on 9 November, 2016 - 3:02 pm
I need to operate an FC51 with an HMI (HNC)
Will a VFD Output Single Phase?
VFD outputting single phase
By Curt Wuollet on 30 October, 2016 - 12:56 am
Even if they did, single phase motors of the usual types wouldn't really work well. Remember the...
By aan aan on 28 October, 2016 - 10:48 pm
Hello Mays, You can use a VFD to drive single phase motor, but the motor can't use a switched...
By Steve Myres on 28 October, 2016 - 7:33 pm
Single phase motors will almost never operate well at variable speed due to the way they start. And...
By Bob Peterson on 28 October, 2016 - 6:33 pm
Single phase motors have a starting capacitor. That makes them incompatible with VFDs....
Absolute Encoder SSI Interface and Grey Code
How does an absolute encoder works with the SSI interface and what is grey code all about?
By Ron on 1 November, 2016 - 7:42 pm
To make it simple Grey code just changes one position at a time. In binary if you go from 1...
GE 9FA Gas Turbine Fan When Running Standby Fan Getting Reverse Rotation
Gas turbine fans when running standby fan getting reverse rotation which is leading to burnt motor
Medium Voltage Variable Frequency Drive for Motor Frequency Control
Doing research on medium voltage Variable Frequency drive (also called as VFD, VSD, AC drive, VVVF, etc.)
Controlling a Stepper Motor
Controlling a stepper motor using variables, but am losing power when it starts moving
Position Control w. PLC and VFD
Position control using sensorless vector techniques.
By Bob Peterson on 12 October, 2016 - 1:34 pm
Instead of reinventing the wheel, why not just buy a VFD that has this built in. If you are using...
Measuring Speed and distance
Basically I am looking at ways to measure the speed and height of a raising arm accurately.
i need a user manual for Aeg minisemi dc drive.
Parameters for a Bosch CC100
In need of parameters for Bosch CC100 on an SCM Routomat 2
Better understanding the behavior of BLDC motor
Toshiba W7 VSD's went down on OV and won't reset
ABB ACS 1000 ac drive tripping on over speed. Which parameter will help to increase over speed limit?
Why use 20 to 160mA instead of 4 to 20mA
High Speed Counter Configuration
Setting up high speed counter in m340 plc
Absolute Encoder Emulation Card Issues.
Having issues with a Beckhoff EL-5002 card communicating with a Bosch Rexroth Encoder Emulator card (DAE02.1M).
Problem Connecting Laptop PC to Controller via RS-232
Posted by Scott Hill on 9 June, 2005 - 12:57 am
Cannot get access to the OC950 via RS-232 while program running, and cannot find a way to stop program.
By Jorge Rivera on 18 August, 2016 - 5:52 pm
This post have a long time, but now I have the same problem. How do you solve that? Thank you...
How to build an ECS for a fisher paykel motor to power a quad copter?
What is the relation between input current and output current in a VFD?
By Curt Wuollet on 5 August, 2016 - 11:52 pm
Lots of questions, Generally power out = power in minus 5 or 10 % to account for efficiency, but...
By Bob Peterson on 4 August, 2016 - 5:55 pm
*I want to know the relation between input current and output current in a VFD. * Output current...
By W.L. Mostia on 4 August, 2016 - 4:15 pm
Yes, it is possible to measure the current on the output side of a VFD if you have the correct...
Can anyone explain what is meant by 4 pole regarding a 3 phase electric motor??
By john on 2 August, 2016 - 8:40 am
Right on brother! Reading all the junk people posted on this subject it is no wonder that some...
Siemens HMI to Emerson Drive via Modbus RTU Communication
Convert Decimal to Integer
How can i convert decimal type (0-100) to integer (0-32768)?
Medium Voltage VFD Drives for Sugar Mills and Cement Mills
I am working on the projects about MV VFD drives for sugar mills and cement mill motor control, for energy saving and process reform.
Need a count/pulse per foot
By SteveMyres on 11 July, 2016 - 8:06 pm
Chain's fine if you have a support. Heck, it wouldn't even work right without the support. The...
By Mike Larkin on 11 July, 2016 - 2:12 pm
I just hope your machine is gear driven instead of chain driven. It is impossible to get any...
Automating a Workcell Robot
After our integrator failed miserably to do his job, I was tasked by my boss to integrate a Fanuc robot into our CNC line.
I would like to know which is the best method to check the stability of a PD adaptive algorithm
By Jeibros on 1 July, 2016 - 12:18 pm
Hi, I do not agree about using absolute value in this case, as this would imply that Kp and Kd...
Why is a Default 0 Switch Added to PLC Logic?
I'm analyzing programming code for a client and I noticed a switch that basically prevents the PLC from writing an input to a variable. I'm not sure why the original programmer added it there. Details are below.
AB QB Module - Simple test program
Have some 1771-QB Modules to test