ASDA A2-E
Chapter 1 Coe Drive Overview
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.
RUN LED
The RUN LED indicator shows the status of EtherCAT state machine
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.
