New

Hello,
I am new in this world and i would like some basic advise...
I have siemens plc with S7-300, 314C-2DP CPU,343-1 CP and a simostep 2N 1FL3041 stepper motor.
I would simply like to move the stepper motor forward and backwards and also make homming but i dont know how.I mean what sall i do?use a programm trough simatic or in some other way.And if with a program what exactly should i do

Thanks in advance

Hello mpam-mpam;

Welcome again.
The last time you came to us for this problem, we asked you a question on the power interface you had chosen, between the FM353 and the Simostep motor. You do know that you will need some form of power amplification to control the step motor, don't you?
Siemens proposes a FM-Stepdrive for this; it is easily configured and cabled to the FM353 and the Simostep motor (standard interface cables are proposed by Siemens), and the standard project that comes with the FM353 program installation in Step 7 should give you an example of the use of all blocks required for this application.
Information on FM-Stepdrive here: http://support.automation.siemens.com/WW/view/en/9867784

In case you have not read it through, here is the FM353 manual:
http://support.automation.siemens.com/WW/view/en/2106357

On the other hand, you might want to develop the power interface and control scheme by yourself, and use the FM353 to generate the control pulses only (or even use standant outputs to do the same). In that case, have a look at the following tutorial on step motor control:
http://www.cs.uiowa.edu/~jones/step/

It was designed for stepper control through a PC parallel port, but the power section are very well explained, as is the sequence of pulse signals required to turn and position a step motor. So you might be able to adapt it to your hardware, with a little work.


Hope this helps,
Daniel Chartier

Hi

Hello,
Thank you for you time and interest.I allready have an FM stepdrive and i've made the appropriate connections in order to communicate with the FM.My main problem is that i am not so trained with the procedures that must take place in order to make this work.I don't know what steps should i make through the FM interface and how the blocks and the appropriate program should be used

With regards,
Mpam-Mpam

mpam-mpam said:

Hello,
Thank you for you time and interest.I allready have an FM stepdrive and i've made the appropriate connections in order to communicate with the FM.My main problem is that i am not so trained with the procedures that must take place in order to make this work.I don't know what steps should i make through the FM interface and how the blocks and the appropriate program should be used

With regards,
Mpam-Mpam

Click to expand...

Must be time to RTFM and learn, it is your job....

I do not mean to be mean but then again I am a grouchy old man, some things you JUST have to study.

BTW this will take you to Siemens support: http://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csinfo&lang=en&objid=22764522&caller=view

?

Thanks again,
What you say is true and i know that the only way to learn PLCs is the same as everything.But,i will not work on PLCs but i have to do this work now and since you know i thought you might be helpfull.I just need your lights on basic steps which i must follow...(such us how should i write the program and what way should i follow in order to be uploaded and work)
Anyway i appreciate your time

Hello mpam-mpam;

The following seuence of blocks is extracted from the FM353_e.pdf manual that was proposed earlier. Please refer to it and remember Ron's suggestion about RTFM, it seems very appropriate in this case:





Hope this helps (really!),
Daniel Chartier