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Author Topic: Csmio/IP-A drives  (Read 20784 times)

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Re: Csmio/IP-A drives
« Reply #40 on: March 28, 2015, 04:52:13 AM »
Hello hood,
I installed the wirefirm 2.603 and i could see some changes in my controller.
I.e emergency stop moving axes .....I can see that the LEDs are change status.

But in the manual , I can see that in the configuration window we have a let that says "connection ok" and Temp, power 24v

But in my case I can't see this!!!
Could be another version??

Please let me know!!
Ghantos
Re: Csmio/IP-A drives
« Reply #41 on: March 29, 2015, 01:00:26 AM »
Hello Hood,
sorry for my last post, i can see the connection status , TEMP, Voltage  its in the "Pluin Control".

But now, i have another question:
really i dont know what is the type of my VFD for the spindle.(+/-10Vdc or 0-10Vdc)

what is the difference between??
is the +/-10Vdc is respnsible for the CW and CCW rotation with one digital outpout configration.??
what my trials  indicate that i have No contactor ro reverse the rotaion.

Sorry, but i have  no Electrical Docs for the machine and i want to retrofit by "Trials and Errors".

regards;
Ghantos,
« Last Edit: March 29, 2015, 01:02:15 AM by Ghantos »

Offline Hood

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Re: Csmio/IP-A drives
« Reply #42 on: March 31, 2015, 06:02:25 AM »
It will all depend on the VFD, some Industrial ones can accept +/- 10v commands, the more normal command on the lower end VFD's is 0-10v.

If it can accept +/- 10v then it will not need Fwd/Rev relays or signals as the polarity of the command will determine the direction.

Hood
Re: Csmio/IP-A drives
« Reply #43 on: April 02, 2015, 12:25:15 AM »
thank you Hood!!
today, i started to do setup and tunning the axes X,Y,Z.

in the cs-lab manual we have some instruction of how to tunning the PID. But, the explaination is described generally.

it has no enught techniqe of how to do that. No explaniation for how to "read and analyse" the trajictory Graph of the tunning..

so i need to understand how much i need to "play" untel i get the best result.??,

also, how much i can trust the automatic tunning?? and have you use it before??..

best regards;
Ghantos


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Re: Csmio/IP-A drives
« Reply #44 on: April 07, 2015, 01:55:59 PM »
I used the Auto Tuning to get close then just altered  settings a bit at a time until I got the best response I could.
Hood
Re: Csmio/IP-A drives
« Reply #45 on: April 17, 2015, 12:15:10 PM »
Hello Hood,
I am trying to tune the Y axis .
I have played a lot with the parameters of the PID to get 30000mm/min max speed.
All the time I get ePID error when I run the machine with max speed.

In the end I adjusted the max following error to 35000 to avoid this error.
Now I have a problem that when I run the machine with automatic mode like this program:

G90 G0 Y-500
G90 G0 Z-100
It seems that the Z axis go down little bit before the Y reach the final position.
What could be the problem??
Is it PID bad tuning?
Is it because the max following error.

Please let md know.
Ghantos

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Re: Csmio/IP-A drives
« Reply #46 on: April 17, 2015, 05:27:28 PM »
It does sound like a tuning issue and is likely your problem.
30M/min is rapid, what kind of machine is it?
35,000 may be quite a large following error, it will depend on your resolution, what are the steps per unit set to for the Y axis?

Hood
Re: Csmio/IP-A drives
« Reply #47 on: April 18, 2015, 12:39:22 AM »
Dear Hood,
I will check once again the machine motors spec. And let you know.

By the way , I thing my servo motors max rpm is 3000
Rev/min. And so with a simple calculation with the transmition ratio and ball screw the max rapid speed I can reach is 20000mm/min. But my internal felling us thang the machine is running faster.

Sorry, but I have no docs for this machine and this is the problem.
Please let me know your idea,
Regards,
Ghantos

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Re: Csmio/IP-A drives
« Reply #48 on: April 20, 2015, 04:11:04 PM »
You need to know the encoder count and the gearing to then set the correct steps per unit.

Hood
Re: Csmio/IP-A drives
« Reply #49 on: April 21, 2015, 01:02:44 AM »
Dear Hood,
my checking results are that the Servo Motor is really 3000rpm Max and has no mechnical gearing. it has only trasmistion poly 2:1 to reduce the RPM. not to increase the RPM.
my encoder phisical resolution is 500PPR.
the ball screw is 10mm petch.

according to the above data what i need to set in the CSMIO-A plugin and in the "STEP Per" in mach3.
please note that the my encoder is 500pulse per minute; not lines.

sholuld i multiply 500X4 at the pulg in Encoder setting or not????

and so what is the maximum rapid speed i can reach with the above data.
thank you in advanced.
basim