[Etherlab-users] strange behaviour with sdo configuration
vincent.bussieres at hemeria-group.com
Thu Oct 14 22:11:14 CEST 2021
Dear Etherlab users,
I bought a Beckhoff EtherCAT Terminal, 2-channel encoder interface EL5102. This product has just been released.
I encounter problems when I configure sdos with « ecrt_slave_config_sdo8 » or « ecrt_slave_config_create_sdo_request » functions called before « ecrt_master_activate » as for my other slaves.
This slave doesn’t switch at the OP State and stay in PRE-OP State with error « E » :
"1 0:1 PREOP E EK5102 2K. Inc. Encoder 5V (RS422, TTL)"
I noticed that when I comment sdo configuration methods and run my application, slave switches to OP State.
After being switched one time to OP, if I uncomment configuration methods and run once again my application, slave behaviour seems to be OK, slave switches to OP State.
I don’t understand why after the fisrt boot, there is such a problem ?
Could you help solving this problem ?
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