[etherlab-users] Mailbox error using coopley accelnet slave

Stephen Glow sglow at copleycontrols.com
Thu Jan 29 14:59:25 CET 2009


Hi Florian;

I'm familiar with the slave device in question, and believe that all the 
required SII sections are included.

In fact, the only sections of the SII that aren't included in this 
device are the bootstrap mailbox info (not yet supported) and the PDO 
information.

The reason for the lack of PDO information is that our PDOs are all 
variable.  For a device such as this I don't believe that the PDO 
information is mandatory.

Is it possible that the lack of PDO information is causing this problem?

Rgds,
Steve
> Hi,
>
> On Wed, Jan 28, 2009 at 01:25:47PM +0100, Massimo Mancin wrote:
> >/ We have installed on a I386 computer with linux 2.6.24 the Etherlab
> />/ master to control the coopley accelnet motor driver.
> />/ 
> />/ when the master is started, the slave is see from the master but on
> />/ the log appear the following errors.
> />/ 
> />/ Jan 28 12:17:59 syco1 kernel: EtherCAT ERROR: Mailbox error response
> />/ received from slave 0 - Unknown error reply code 0x0000.
> /
> I think I saw this before, when I tested with that device on the last
> EtherCAT plugfest. It think the reason was, that the SII (and especially
> the mailbox addresses) were wrong. Have a look at
>
> http://etherlab.org/en/ethercat/faq.php#incomplete-sii
>
> for how to fix it.
>
> -- 
> Best regards,
> Florian Pose
>
> http://etherlab.org
>   
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