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[PRECAUTION WHEN PERFORMING THE TEST OPERATION]
!

CAUTION
• Read the manual carefully and fully understand the operation before the test operation (ON/OFF
of bit devices, modifying current value of a word device, modifying timer/counter setting,
modifying the current value, or modifying the current value of a buffer memory) of system
monitor, special function module monitor, and ladder monitor.
In addition, never modify data in a test operati on to a device which performs a crucial operation
to the system.
It may cause an accident by a false output or malfunction.