ASDA A2-E Chapter 1 Coe Drive Overview RUN LED The RUN LED indicator shows the status of EtherCAT state machine 1-4 Revision April, 2015 State change error: The state machine does not allow the system to change its state because the wrong parameter settings. Please refer to Figure 29 for its switching conditions. Synchronization error: The synchronization of Master Clock and Slave Clock is failed. SyncManager error: The data of process data is lost when receiving. PDI Watchdog timeout: The hardware failure on slave. Please contact Delta distributors for assistance. Indicator state Slave State Off INIT Blinking PRE-OPERATIONAL Single Flash SAFE-OPERATIONAL On OPERATIONAL INIT:
After power on, the EtherCAT slave will get into INIT state if there is no error. At INIT state, no communication servo is provided. Accessing slave’s register from the host is available at this state. PRE-OPERATIONAL: The SDO can be used to communicate with its host controller. SAVE- OPERATIONAL: Both SDO and TxPDO, which can send cyclic data from the slave to the host, are workable. OPERATIONAL: SDO, TxPDO and RxPDO are working.