[etherlab-users] etherlab-users Digest, Vol 13, Issue 8

Hobin Yoon hobinyoon at gmail.com
Fri Jul 4 09:41:16 CEST 2008


Where can I find the startup commands and SDOs? You mean the ecrt_*
functions in init_mini_module()?

I'll try version 1.4. It'll take some time.

BTW, how can I make my post threaded to the original message? I'm
receiving digested mails and using gmail.

Best regards,
Hobin

On Thu, Jul 3, 2008 at 09:11:39 +0200, Florian Pose wrote:
> On Tue, Jun 24, 2008 at 10:10:47PM +0900, Hobin Yoon wrote:
> > Although you said the messages are good, it doesn't work as I
> > expected. Inside the timer function, the out PDO doesn't make the
> > slave work (blink LEDs) and in PDO values doesn't change over time.
> > The correct behavior is verified by TwinCAT. That makes me think there
> > might be some configuration that is automatically done in TwinCAT, but
> > has to be done explicitly in EtherCAT. Doesn't that?
>
> The configuration that has to be applied depends on the slave. If you
> are not sure, which configuration is needed, please have a look at the
> configuration applied by TwinCAT and use it in the same way. If that
> doesn't help, please post the configuration (i. e. startup commands and
> Sdos) from TwinCAT and your initialisation code for the EtherCAT master.
>
> Without knowing the slave, it is very hard to guess the reasons for the
> process data exchange failing.
>
> > EL9820 uses Beckhoff FB1111-0142 and our in-house board uses Beckhoff
> > FB1111-0140. According to the hardware data sheet
> > (http://www.beckhoff.de/download/Document/EtherCAT/Development_products/FB1111-014X_V13.pdf),
> > the former uses "32 bit In/Out digital interface" and the latter uses
> > "16/8 bit asynchronous Microcontroller Interface". Are there any
> > changes to be made to EtherLab because of the difference?
>
> As long as the slave conforms to the EtherCAT standard, there should be
> no changes necessary.
>
> I noticed you are still using the EtherCAT master version 1.3.2. Please
> try the master version 1.4.0-pre:
>
> http://lists.etherlab.org/pipermail/etherlab-announce/2008-July/000007.html
>
> --
> Best regards,
> Florian Pose



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