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Control.com topic...
Motion Control
Topic: Motion control, servos, steppers, etc.
from the Forum department...
VFD and nominal RPM of motor
Posted by yazooka on 23 July, 2014 - 8:47 am
Nominal RPM on motor plate lower than can be set in VFD
Topic: Motion control, servos, steppers, etc.
from the Forum department...
Field-bus Actuator Recommendation
Originally posted by Carlos Loureiro on 14 July, 2014 - 10:07 am
Looking for recommendations for a Field-bus Actuator
New Replies:
Anyone have any suggestions? ...
Thanks David, but i think I'm looking for something different then those you recommend. I'm...
You need a positioner with Fieldbus communications, not an actuator. The actuator does the...
Topic: Motion control, servos, steppers, etc.
from the Forum department...
Driving a Stepper Motor
Originally posted by Hans on 18 April, 2014 - 3:40 pm
I am seeking advice on the best methods to effectively control a stepper motor.
New Replies:
Why a stepper motor and not a BLDC motor?...
Originally posted by ANA on 12 July, 2014 - 3:11 pm
Single controller for multiple purposes
New Replies:
Sound a lot like a split range control that you need to do in this application. In a split range...
Topic: Motion control, servos, steppers, etc.
from the Automation List department...
Unit of Shock
Originally posted by Shailesh C Patel on 9 February, 2006 - 12:28 pm
what does Maximum Shock Protection =5,000 g, peak mean?
New Replies:
Gravity. 1G is what holds you to the earth. Regards cww...
But what does G really stands for? I mean g can be grams and MB can be Mega Bytes But what...
Topic: Power generation equipment control.
from the Electrical department...
VFD AC Motor Issue
Posted by Franco Kew on 10 July, 2014 - 10:06 pm
Starting and running an ABB type AC motor
Topic: Engineering and workplace issues.
from the Automation List department...
Noise Problem with VFD/motor
Originally posted by Joel Young on 13 March, 2005 - 2:21 pm
I have a noise problem associated with a VFD/motor (75HP 460v wye start/delta run) system...
New Replies:
Dear Sir, I was doing some trouble shooting and observation on inverter operation today. We have...
Originally posted by tech77 on 16 May, 2011 - 6:17 am
Magnetic pickup - amplitude or frequency
New Replies:
Ramana, There is a lot of good and applicable information in the previous posts to this thread....
Dear friend, Please need a help about magnetic pickup unit sensor. Am confused about the sensor...
Topic: Motion control, servos, steppers, etc.
from the Electrical Servo Drives department...
electrical servo drives health check
Posted by Grimreaper on 8 July, 2014 - 5:05 pm
On site servo drives health check
Topic: Motion control, servos, steppers, etc.
from the electrical department...
hand off auto - wiring a mcc bucket
Originally posted by alancars on 6 July, 2014 - 3:37 pm
does hand mean hand or Auto?
New Replies:
OFF - control circuit de-energized AUTO - the rungs containing the automatic controls are...
Topic: Motion control, servos, steppers, etc.
from the Forum department...
Maintaining constant RPM
Originally posted by xibalban on 2 July, 2014 - 3:21 pm
Energy stored in wounded spring!
New Replies:
I believe that you refer to centrifugal pendulum based governor used in diesel generators to...
>How do old mechanical gramophones >ensure constant RPM output? They use spring loaded...
Topic: Motion control, servos, steppers, etc.
from the Load VS Speed department...
Variable frequency AC Drive
Originally posted by Bilash Khatua on 28 June, 2014 - 4:00 am
How load in form Torque varies with speed.............
New Replies:
a VFD operating in V/Hz mode at under 3% of its rated frequency is probably not going to develop...
By Gerald Beaudoin on 2 July, 2014 - 8:37 am -
Trying to run a motor at <3% of the rated speed is never very good. First of all, cooling...
Topic: Motion control, servos, steppers, etc.
from the DESIGN department...
BLDC motor selection
Originally posted by VIJAYKUAMR on 16 June, 2014 - 11:55 pm
I want to select a BLDC motor for the application.
New Replies:
Thank you for the reply. But indirectly the motor is responsible for the response of the...
It seems that you talk about system resolition in mrad. And this question is more related to...
Topic: Motion control, servos, steppers, etc.
from the Forum department...
Aeg minisemi dc drive
Posted by amin on 29 June, 2014 - 1:24 am
i need a user manual for Aeg minisemi dc drive.
Topic: Communications systems and equipment.
from the Automation department...
FC51 Danfoss VFD MODBUS
Originally posted by Derik on 7 September, 2009 - 2:12 pm
I need to control a FC51 Danfoss VFD with LS PLC.
I need to start , stop & jog the drives.
New Replies:
Hi, I have this problem too. I have set all the parameters to control the drive as modbus. I...
Topic: Motion control, servos, steppers, etc.
from the Forum department...
Avoid motor overheating
Originally posted by damien herold on 26 August, 2013 - 11:23 pm
question on induction motor and overheating
New Replies:
>I would bet on it, it also won't have >much for torque if it will run that slow >at...
Originally posted by rpicatoste on 23 June, 2014 - 12:44 pm
Encoder requirements for a motion application (low speed/holding positions)
New Replies:
How fast you want to go is usually not a problem. How slow you want to go is. If the controller...
Topic: Motion control, servos, steppers, etc.
from the Automation List department...
Troubleshooting Resolvers
Originally posted by Marvin on 28 February, 2001 - 7:23 pm
We have a number of Harowe harosyn-rw resolvers that are giving us some problems on an old GE servo motor,(used in a B&S CNC). Can someone explain how to test resolvers using basic test equipment?
New Replies:
This works as of June 2014 There is not a space after the "40", which for some reason...
Topic: Motion control, servos, steppers, etc.
from the Instrument &Control department...
Control Valve Positioner Action & Travel Scale
Originally posted by Kazim on 4 December, 2013 - 10:01 am
Control Valve FF positioner (Masoneilan FVP-110) Action (Direct/Reverse) and travel scale range.
New Replies:
Please take note that there are 3 actions/parameters which determines the final valve travel...
Topic: Motion control, servos, steppers, etc.
from the Forum department...
automation of ac motor
Posted by anurag on 19 June, 2014 - 7:35 am
problem installing timer relay for AC motor with VFD
Topic: Motion control, servos, steppers, etc.
from the Forum department...
Pneumatic tubing colors
Originally posted by Rick Holman on 30 May, 2014 - 8:43 am
pneumatic control circuit tubing color code standards
New Replies:
the standard is customized, and stated on the pneumatic plan. for example: BLUE: AIR SUPPLY ...
Topic: Motion control, servos, steppers, etc.
from the Forum department...
VVVF drives - Internal speed calculation
Originally posted by Setu on 7 June, 2014 - 9:40 pm
How is speed of the motor calculated INTERNALLY by a VVVF drive?
New Replies:
An educated guess usually. For most purposes 100% accuracy isn't important and if it is, you use an...
> For induction motors: > Drive output freq - slip = motor speed. How will the drive know...
As per my understanding for drives without encoders the drive calculates the actual speed based on...
For induction motors: Drive output freq - slip = motor speed. Regards cww...
Topic: Engineering and workplace issues.
from the Electrical Motor department...
DOL starter Motor to convert Drive control motor
Posted by Rakesh on 8 June, 2014 - 2:16 pm
Need to change with a 37 KW DOL starter (3 Wire) winding to suitable soft starter or drive control to reduce starting load.
Topic: Engineering and workplace issues.
from the Electrical Engineer department...
VFD Speed
Originally posted by Sagar on 26 May, 2014 - 5:45 am
Over speeding a motor by reference signal even if the frequency limit has been set in the VFD module
New Replies:
Thanks Steve...
Shouldn't be. Every ABB drive I'm familiar with respects the limits regardless of any other...
Topic: Motion control, servos, steppers, etc.
from the Forum department...
Yaskawa servo motor
Originally posted by amin hadavi on 22 May, 2014 - 10:33 am
Yaskawa servo motor working noisy & vibrating
New Replies:
The possible reason for noise is instability of velocity loop usually leading to current ripple...
Topic: Motion control, servos, steppers, etc.
from the Forum department...
Why Integration in PID causes overshoot?
Originally posted by Controller on 14 May, 2014 - 1:40 pm
Understanding of how PID controller affect a system.
New Replies:
> Could you tell us what control system you're using? i.e., DeltaV? Yokogawa? ControlLogix? ...
Could you tell us what control system you're using? i.e., DeltaV? Yokogawa? ControlLogix?...
PID functionality can be expressed in several ways. I prefer the discrete time, incremental...
Topic: Information resources, documentation.
from the Automation List department...
Question about LQR
Originally posted by Paddy Josef on 21 August, 2000 - 1:53 pm
What are the advantages and drawbacks of using LQR (Linear Quadratic Regulator) design method? Does it always work?
New Replies:
please use Bryson rule.. that is best rule. by using this rule you can reach to some point and then...
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