Mitsubishi Electric MELSEC-LD77MS2 User Manual page 178

Positive logic
Forward run
A-phase
(A )
B-phase
(B )
Positioning
+1 +1 +1
address
Positive logic
Forward run
A-phase
(A )
B-phase
(B )
Positioning
+1
address
(b) A-phase/B-phase multiplied by 2
The positioning address increases or decreases at twice rising or twice
falling edges of A-phase/B-phase.
Input signal logic selection
Pr.22
Reverse run
+1 -1 -1 -1 -1
(c) A-phase/B-phase multiplied by 1
The positioning address increases or decreases at twice rising or twice
falling edges of A-phase/B-phase.
Input signal logic selection
Pr.22
Reverse run
+1 -1 -1
Chapter 5 Data Used for Positioning Control
Forward run
A-phase
(A )
B-phase
(B )
Positioning
+1
address
Forward run
A-phase
(A )
B-phase
(B )
Positioning
address
5 - 38
Negative logic
Reverse run
+1 +1 +1 -1 -1
Negative logic
Reverse run
+1 +1 -1
-1 -1
-1