8 (E)
MJ620
PL101
Direction of movement
When switch is on
A phase
B phase
When switch is off
A phase
B phase
3-3-3. Direction switching
Mode switch 1-5 (direction switch) can be used to change the phase relationship of the A/B
phase output signal with respect to the travel direction of the encoder.
When the head PL101 is moved in the direction opposite to that in which the cable runs, the
A phase is the leading phase when the switch turns on. When the switch turns off, the B
phase becomes the leading phase.
Fig. 3-2
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