Omron FQ2-S4 User Manual page 335

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 after mea-
surements
Output Tag Set
Input
The following control commands
connection
are written to the Vision Sensor.
to Sensor
• Control inputs
• Command code
• Command parameters
Input Tag Set
Input Tags
(2) Response area
The execution results
from the Vision Sensor
Output
are written here.
connection
to PLC
Output data from the
Vision Sensor is written
here.
*1 The response area (2) and output area (3) are assigned to continuous memory addresses or to a variable.
FQ2-S4 User's Manual
(1) Command area
(2) Response area
(3) Output area
PLC
Output Tags
(1) Command area
Command
*1
(3) Output area
Outputting Data and Controlling Operation through EtherNet/IP
This is the area to which you write control commands for
the Vision Sensor to execute.
This is the area to which the Vision Sensor writes the
results of control commands executed from the command
area.
This is the area to which the Vision Sensor writes output
data for measurements after an inspection is performed.
Vision Sensor
Input Tag Set
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 measurements
Measurement results are
written to the output area.
• Output data 0 to 64
• Character string to output
20 bytes
Execution
16 bytes
32 to
256 bytes
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