[etherlab-dev] Slave state change from SAFEOP to OP without PDO update
fp at igh-essen.com
Fri Jan 4 11:02:45 CET 2013
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Am 06.06.2012 14:16, schrieb Kim H. Madsen:
> I have noticed an issue with the etherlab EtherCAT master. If the
> slaves a split into two domains (with different update cycles)
> then the state change SAFEOP->OP can be requested by the master
> without a slave have received output data. This makes the slave
> stay in SAFEOP with an error: EtherCAT ERROR 0-19: AL status
> message 0x001B: "Sync manager watchdog".
> Is this a bug or a missing feature?
In general, it is recommended to start sending cyclic process data
immediately after ecrt_master_activate(). What are the sample times?
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