Timing Chart (EtherCAT)
● Control command execution
ON
Command Code
OFF
ON
Command
Command
Parameter
OFF
Area
ON
EXE input
OFF
ON
Command Code
OFF
ON
READY output
OFF
ON
Response Code
Response
OFF
Area
ON
Response Data
OFF
ON
FLG output
OFF
(1) The command code and command parameter are set from the Controller.
(2) The EXE input signal state is changed from OFF to ON. Execution is instructed to the displacement sensor.
(3) When the displacement sensor receives the execution instruction, the READY output signal turns OFF and
the command is executed.
(4) When the displacement sensor completes execution, the command code, response code and response
data are set.
(5) The FLG output signal turns ON.
(6) The Controller makes sure that the FLG output signal has turned ON, and then returns the EXE input signal
to OFF.
(7) The displacement sensor makes sure that the EXE input signal has turned OFF, and the FLG and READY
output signals automatically turn OFF and ON, respectively.
ZW User's Manual
(1)
(2)
(3)
(4)
(5) (6)
(7)
EtherCAT Connection
189