[etherlab-users] Failed to change Alias of a slave

Mark stay-ml at gmx.net
Sun Aug 27 10:38:25 CEST 2017


Hi together,


the supplier changed the internal alias to something different to 0. Now 
i am able to use use a slave at position 0 without the EK1100 Coppler.


Thanks Mark


On 26.08.2017 12:52, Mark wrote:
> Hi together,
>
>
> i try to run a  slave (LAN9252) without using the EK1100 Bus Coppler.
>
> /opt/etherlab/bin/ethercat slaves --> 0  0:0  PREOP  + Generic
>
> The Slave Index of the device is therefor 0
>
> I get the following error in the terminal when i try to execute the 
> program:
>
> Fatal error: Starting EtherCAT subsystem failed: 
> ecrt_master_slave_config() failed while configuring slave 0:0
>
> After this i want to use the alias addressing, but i cant change it 
> (also can't change it for EtherCAT Beckhoff modules)
>
> /opt/etherlab/bin/ethercat alias -p0 100
> Failed to read SII: Failed to write SII: Input/output error
>
> the slave works without a problem when i use it at another position or 
> connect it after a EK1100
>
> What can i do to use the slave at position zero without using the 
> EK1100 coppler?
>
>
> BR Mark
>
>
>
>
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