Control technology | ethercat communication manual – Lenze EtherCAT control technology User Manual
Page 88
Control technology | EtherCAT communication manual
Commissioning of the system
Typical commissioning scenarios
88
L
DMS 3.1 EN 01/2011 TD17
Legend
PLC:
EtherCAT:
Transient state of PLC and EtherCAT
Automatic change to next state
Load PLC
Load PLC application
PLC:
EtherCAT:
Steady state of PLC and EtherCAT
Change to next by means of an external
action
Start PLC
Start PLC application
Reset
(origin)
Reset the PLC.
The PLC application is deleted.
Start
Beginning of the scenario
Start
PLC:
Original
EtherCAT:
Unknown
PLC:
Original
EtherCAT:
Init
Read ECAT_MASTER_1.XML
Stop PLC
Load PLC
PLC:
Original
EtherCAT: Pre-Operational
PLC:
Stop
EtherCAT: Pre-Operational
Start PLC
PLC:
Running
EtherCAT: Safe-Operational
PLC:
Running
EtherCAT:
Operational
PLC:
Stop
EtherCAT: Pre-Operational
System is running
Reset
(Original)