Tools
152
ZFX-C User’s Manual
How to fully utilize the profile function
Checking the Communication Status with External Devices
When the Controller is connected to an external device via the RS-232C/422 interface or parallel interface, you
can monitor the communication status to verify the normality of the wiring and communication setup.
RS-232C/422 Communication
Check the communication status of the RS-232C/422 interface.
Monitor conditions
Edit the test string and echoback setting.
X MENU mode - [Tool] - [I/O mon.] - [RS-232C/422]
• You can check whether or not light is illuminating the measurement target evenly.
• You can judge the extent of the density difference between the background and desired inspection location.
Setup Item Description
Monitoring
The content sent to the external device and content received from the external device are displayed.
Test string Sets the text string (maximum 16 alphanumeric characters) to be sent to the external device.
If the graph lines are inclined even though the measurement target illuminated as a uniform
color on screen, you can judge that lighting is uneven.
You can monitor depressions on the graph lines to the extent of density differences at
certain locations.
Example: Defect inspection
[SO]TEST
[SI]RECEIVE TEST
Return
Send Text
Capture
Serial
Display [SO]
This is the content sent to the external device.
When [Send Text] is selected, a test string is sent to
the external device from the ZFX. The test string can
be edited.
Display [SI]
This is the content received from the external device.
When a test string exceeding 16 characters is sent,
characters from the 17th character onwards are not
displayed.
When the echoback setting is set to [ON], the re-
ceived content is sent to the external device as it is.
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