Loading...
3 - 3
3 Common Slave Specifications
EtherCAT Communication Unit USER’S MANUAL (I574-E1)
3-2 Communications Status Transitions
3
3-2 Communications Status Transitions
The EtherCAT State Machine (ESM) of the EtherCAT slave is controlled by the EtherCAT Master.
State SDO communi-
cations
PDO recep-
tion
PDO trans-
mission Details
Initialization (Init) Not supported Not supported Not supported Communications are being initialized. Communica-
tions are not possible.
Pre-Operational
(Pre-Op)
Supported Not supported Not supported Only mailbox communications are possible in this
state. This state is entered after initialization has
been completed. It is used to initialize network set-
tings.
Safe-Opera-
tional (Safe-Op)
Supported Not supported Supported In this state, PDO transmissions are possible in
addition to mailbox communications. Cyclic com-
munications can be used to send information such
as status from the inverter.
Operational (Op) Supported Supported Supported This is a normal operating state. Cyclic communi-
cations can be used to control the motor.
Safe-operational
Pre-operational
Initialization
Operational
Loading...
Terms of Use | Privacy Policy | DMCA Policy
2006-2021 Rsmanuals.com