Omron ZW-C1*AT User Manual page 204

Types of Communications Areas
For EtherNet/IP communications, the following three communications areas are used in the PLC to perform
communications.
Areas Used for the Different Control Methods
Command/
response communications
Data output method after
application of measured value
Output Tag Set
Input
connection
to Sensor
Input Tag Set
Output
connection
to PLC
*1 The response area (2) and output area (3) are assigned to continuous memory addresses or to a variable.
202
EtherNet/IP Connection
(1) Command area
(2) Response area
(3) Output area
PLC
Output Tags
(1) Command area
The following control
commands are written to the
Displacement Sensor.
• Control inputs
• Command code
• Command parameters
*1
Input Tags
(2) Response area
The execution results
from the Displacement
Sensor are written here.
(3) Output area
Output data from the
Displacement Sensor is
written here.
This is the area to which you write control commands for the
Displacement Sensor to execute.
This is the area to which the Displacement Sensor writes the
results of control commands executed from the command area.
The area to which the displacement sensor writes the measured
value data of each task after application of the measured value.
Displacement Sensor
Input Tag Set
Command
The control commands that are
written to the Command Area
are executed.
Output Tag Set
Measurement results are
written to the response area
Response
in the PLC.
• Control outputs
• Command code
• Response code
• Response data
After applying measured value
Measurement results are
written to the output area.
24 bytes
Execution
24bytes
32bytes
ZW User's Manual