Omron ZW-C1*AT User Manual page 166

Controller (master)
The following control commands are
written to the Displacement Sensor.
Command/
response
communi-
cations
The execution results from the
Displacement Sensor are written
here.
Data output
Output data from the Displacement
after
Sensor is written here.
measure-
ments
I/O Ports in Sysmac Error Status Area
Error status information from the
Displacement Sensor is written here.
Error status
Communications method using service data objects (SDO)
The ZW series supports SDO communications. SDO communications is used for setting objects and
monitoring the status of the ZW series. Objects can be set or the status monitored by reading and writing data
to entries in the object dictionary of the host Controller.
164
EtherCAT Connection
Command area I/O port
Response area I/O port
Output area I/O port
Displacement Sensor (slave)
Command
The control commands written to the I/O
ports in the Command Area are
executed.
The results of execution are written to
Response
the I/O ports in the Response Area.
After applying measured value
Measurement results are written to the
I/O ports in the Data Output Area.
Error status information is written to the
I/O ports in the Sysmac Error Status Area.
Sysmac error status
●
Execution
ZW User's Manual