[PRECAUTION WHEN PERFORMI NG 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 moni tor, and ladder monitor.
In addition, never modify data in a test operation to a device which performs a crucial operation to
the system.
It may cause an accident by a false output or malfunction.