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Application Precautions
!Caution Confirm that no adverse effect will occur in the system before attempting any
!Caution Be sure that all mounting screws, terminal screws, and cable connector
!Caution Confirm operation of any user programs that you develop before running the
!Caution Confirm the operation of screen data and host programs before using the
!Caution Always use the upper and lower limit settings when using numeral input to
!Caution When transferring data in screen units, also transfer any other data for the PT
event of incorrect, missing, or abnormal signals caused by broken signal lines,
momentary power interruptions, or other causes.
of the following:
• Changing the operating mode of the PLC
• Force-setting/force-resetting any bit in memory
• Changing the present value or any set value in memory
screws are tightened to the torque specified in the user manuals. Incorrect
tightening torque may result in malfunction.
programs.
programs for actual applications.
prevent malfunctions.
memory that has changed.
4
xi
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