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8.2 Troubleshooting
8.2.4 Troubleshooting System Errors
8-13
8
Maintenance, Inspection, and
T
roubleshooting
Continued on from the previous page.
(8) Investigate the I/O state
When the error cause can be assumed to be a problem with the external input
data or output data from the user program, disable the corresponding I/O pro-
cess to investigate a cause based on the I/O data. Refer to
8.2.4 [ a ] How to
Disable a User Program
on page 8-14. Also, when investigating an output
point, refer to
8.2.4 [ c ] How to Forcibly Turn ON/OFF Coil
on page 8-15.
(9) Correct Programs.
Correct the program that causes error.
(10) Investigate the scan time
If no problem is found in the program, investigate the scan time.
Check to see whether the maximum value for high-speed scan time is in excess
of or equal to the setting value in the scan time screen, or whether the maximum
value for slow-speed scan time is in excess of the setting value. Refer to
8.2.4 [ d ] Operation in Case of Scan Time Over
on page 8-16.
(11) Change the scan time
Change the scan time setting value. Refer to
5.5.3 Setting and Changing the
Scan Time
on page 5-56.
Содержание JEPMC-MP2300S-E
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