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Inertia matching problem of servo system. The influence of the motor coupler is not known.
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> As a rule, for your application mounting between (motor + gear) to Rotex coupler is enough...
Inertia mismatch is ratio between masses coupled through low stiffness component. As a rule, for...
Looking for information on moog servo valve which has no part number or any reference mark on it
Anyone familiar or have experience with home automation with Smartphone capability?
New to Ladder Logic programming
New Replies:
By Leroy on 12 June, 2013 - 5:31 pm -
There is a great resource for learning ladder logic, go to:
http://www.ladder-logic.com/
Leroy
...
I have 3 different VFD brands I would like to control using Modbus RTU. I have a Prosoft MVI46-MCM card in a SLC 5/04 rack.
New Replies:
By Jim_ on 8 June, 2013 - 10:45 pm -
OK, had some success!
I have modbus connected, RTU 'flavor', RS485 networked to two Reliance...
> My apologies -- that sample WAS for a 3150 (which at least at that time you
> had to...
By Steve Myres on 13 May, 2013 - 12:57 am -
My apologies -- that sample WAS for a 3150 (which at least at that time you had to configure as a...
By Jim on 12 May, 2013 - 7:09 pm -
Thanks for all the replies.
I already have the Prosoft card, so no need to pay for firmware...
By Dayvie on 10 May, 2013 - 8:55 pm -
SLC 5/03 5/04 and 5/05's all speak Modbus natively
There is no need to purchase a $ 1,500...
How to operate stepping motor in forward and reverse direction.
New Replies:
By Curt Wuollet on 5 June, 2013 - 11:19 pm -
That would explain a lot, it behaves like synchronous motor because it is.
If those resistances...
Shaheed... you are closing-in on the fact that the motor is probably a "Permanent"...
By Shaheed on 5 June, 2013 - 12:21 am -
Thank you Phil Corso for valued informations.
The motor have been operated in correct...
Shaheed... if the motor is indeed a split-phase motor then there are two parallel windings, say,...
By Shaheed on 4 June, 2013 - 2:54 am -
Hi
Phil Corso,
Curt wuollet,
CSA
Luckily I found some old pages of this motor data that is
...
By Curt Wuollet on 3 June, 2013 - 11:11 pm -
Those resistances seem way too high for a stepper, indeed high for any sort of motor I'm familiar...
All,
It seems presumptuous to say the motor in question is a "stepper motor". Most of...
Shaheed:
4) Your original post said that two leads were connected together, and you labeled them...
By Shaheed on 3 June, 2013 - 8:01 am -
Hi, Phil Corso:
1: We don't have any data but it is driving small shaft of turbine governor like...
By Shaheed on 3 June, 2013 - 7:33 am -
Hi Curt Wuollet,
The rotor of this motor is in two parts consisting some type of teeth,...
By Curt Wuollet on 2 June, 2013 - 9:22 am -
No, the motor may be fine. If it is a stepper motor you don't simply hook it up to the line. You...
By Shaheed on 2 June, 2013 - 2:06 am -
> It's behaving as a synchronous motor and will start up in a direction
---- snip ---
Thank...
Shaheed:
1) Do you have some idea of the torque (kg(f)-mt) required by the shaft the...
By Curt Wuollet on 1 June, 2013 - 9:42 pm -
It's behaving as a synchronous motor and will start up in a direction depending on the physical...
I am looking for the ideal way to transfer data bi-directionaly between sensors/actuators and PLCs and other DAQ devices.
New Replies:
By Martin Young on 4 June, 2013 - 5:43 am -
Cable. Good old copper cable....
The better and safety way is using one of well-known field busses as EtherCAT for example. You must...
How to synchronize two conveyors one flat bed and other dog chain
Sound Based condition Monitoring
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By Curt Wuollet on 27 May, 2013 - 9:43 pm -
Just think about whats happening. Main bearings should thump once per rev. Rod bearings twice...
Fault in function SIMOREG DC MASTER- F012
Stepping motor is not homing when command is issued through MMI program.
My new service laptop doesn't have a serial port and it seems parker doesnt make any cables to talk to their drive that go through USB.
New Replies:
Use a USB to serial adapter. Hook it to the SSD adapter. if you don't have the SSD adapter call...
Several steps of external resistance used for speed control on motor appear to have uneven amounts of resistance. Is this possible? What will the effect on the motor be?
New Replies:
Ben, using the procedure I suggested illustrates how the number of speed-torque curve increments...
By Ben on 18 May, 2013 - 5:30 pm -
Phil,
Again appreciate your valued comments. It's people like yourself that keep the world...
Ben... this sort of problem can be solved using Symmetrical Components Analysis!
Say the...
By Ben on 17 May, 2013 - 6:16 pm -
Phil,
Really appreciate your response. Unfortunately all i've got is a really poor wiring /...
Ben... please provide operating data:
a) Line-currents.
b) Supply phase-phase voltages.
c)...
synchronization of 2 servo valves that control 2 cylinders
Question about how a PID Controller might be implemented in C++. How to go from continuous to discrete signal in C++?
New Replies:
> Here is our implementation for closed loop controllers in C++:
Yeah,I concur that are truly...
I want to know the details of a speed control for a BLDC motors. I want to know the relation between the torque variation during speed control.
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By George C on 15 May, 2013 - 1:12 pm -
Hello all,
In your situation is very useful to search the information provided by PIC's...
Convert rs422 to 4-20mA?
New Replies:
By anonymous on 13 May, 2013 - 1:13 am -
Hi all,
What you wanna do is converting incremental encoder signal into absolute position....
By Bill Sturm on 12 May, 2013 - 9:05 am -
> I can only get the magnet strips with rs422 output (I gather this is essentially...
By Curt Wuollet on 11 May, 2013 - 12:50 pm -
Even though I am big on DIY and clean solutions, my suggestion was based on the fact that it's easy...
By Bruno on 11 May, 2013 - 7:51 am -
Hi,
the first question is (according to this last mail): what is the protocol used by RS422?
...
By Curt Wuollet on 9 May, 2013 - 7:51 pm -
You might keep looking, that range is often used in machine tools and there are some low cost...
BLDC motor speed control, constant torque at low speeds.
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