[etherlab-users] Mailbox error using coopley accelnet slave

[Stephen Glow]

Hi Florian;

Thanks, I'll check that setting and test our our amplifier using 
Etherlab once we get it installed on a system in our applications lab.  
I'm looking forward to working with you to make sure our amps work 
seamlessly with your master controller.

Rgds,
Steve

Florian Pose wrote:
> Hi Steve,
>
> On Thu, Jan 29, 2009 at 08:59:25AM -0500, Stephen Glow wrote:
>   
>> 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.
>>     
>
> when I tested with Jim on the last EtherCAT Plugfest, we had to correct
> the standard mailbox information in words 0x0018-0x001b, that was the
> only thing to get it running.
>
>   
>> 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.
>>     
>
> Correct, in that case the [RT]xPdo categories are not mandatory and
> moreover shouldn't be included, because the they will deprecate once the
> PDO configuration is altered for the first time.
>
>   
>> Is it possible that the lack of PDO information is causing this problem?
>>     
>
> No, because the master reads the (dynamic) PDO configuration from the
> SDOs 0x1c1x and the referenced objects.
>
> As you probably know, Jim called me yesterday. He suggested to send me a
> device for testing to eliminate this interoperability issues. The funny
> thing is, that we were searching DC amps with EtherCAT interface for a
> long time and we really could use two of them for one of our
> applications! ;-)
>
>   
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