Mitsubishi Electric MELSEC-LD77MS2 User Manual page 727

Chapter 13 Control Sub Functions
[4] When the hardware stroke limit function is not used
When not using the hardware stroke limit function, set the logic of FLS and RLS
to the "negative logic" (initial value) with " " and
Input signal logic selection
Pr.22
input the signal which always turns ON. Otherwise, set the logic of FLS and RLS
to the "positive logic" with " " and always turn OFF
Input signal logic selection
Pr.22
the input.
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