ST_PortAddr
The structure ST_PortAddr
contains EtherCAT topology information for EtherCAT slave device. EtherCAT slave devices typically have 2 to 4 ports.
TYPE ST_PortAddr:
STRUCT
portA : UINT;
portB : UINT;
portC : UINT;
portD : UINT;
END_STRUCT
END_TYPE
Name | Type | Description |
---|---|---|
portA | UINT | Address of the previous EtherCAT slave at port A of the current EtherCAT slave |
portB | UINT | Address of the optional subsequent EtherCAT slave at port B of the current EtherCAT slave |
portC | UINT | Address of the optional subsequent EtherCAT slave at port C of the current EtherCAT slave |
portD | UINT | Address of the optional subsequent EtherCAT slave at port D of the current EtherCAT slave |