Omron OMNUC FND Series User Manual page 157

Operation
Origin Search Pattern 1: Starting Between CWL Signal and Origin Proximity Signal
1. Positioning begins in the origin search direction at the origin search high speed.
2. Positioning changes to the origin search low speed when the origin proximity signal turns ON (rising
edge).
3. The origin is established by the first Z-phase signal that is received after the origin proximity signal
turns OFF (falling edge).
RUN command (RUN)
Origin search (SEARCH)
CCW limit input (CCWL)
Origin proximity (ORG)
Z-phase
READY
Origin search completed
(S.COM)
Origin (ORGSTP)
Positioning completed
(INP)
Motor operation (speed)
Note After the RUN command (RUN) signal turns ON, there will be an interval of 110 ms max. before
the READY signal and the positioning completed (INP) signal turn ON.
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Origin search high
speed
Chapter 3
First Z-phase signal
after ORG turns OFF
Origin search
low speed