Omron CJ1M-CPU21, Operation Manual

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Origin Search and Origin Return Functions Section 6-3
Origin Detection Method 1: Origin Proximity Input Signal Reversal Not
Required
Origin Detection Method 2: Origin Proximity Input Signal Reversal Not
Used
Origin Search Operating
Mode and Origin
Detection Method Settings The following examples explain how the operation patterns are affected by the
origin search operation and origin detection method settings.
These examples have a CW origin search direction. (The search direction and
limit input signal direction would be different for an origin search in the CCW
direction.)
1
1
0
0
CCW CW
Origin Proximity
Input Signal
Origin Input
Signal
Pulse output
Deceleration starts when
Origin Proximity Input
Signal goes OFF
→
ON.
After the Origin Proximity Input Signal has gone
from OFF
→
ON
→
OFF, the motor is stopped when
the Origin Input Signal goes OFF
→
ON.
Initial
speed
Acceleration
High speed for
origin search
Deceler-
ation
Proximity speed for origin search
Start when
ORG(889) is
executed. Stop
1
0
Origin Input
Signal
Pulse output
Deceleration starts when
Origin Proximity Input
Signal goes OFF
→
ON.
Initial
speed
Acceleration
Proximity speed
for origin search
Start when
ORG(889) is
executed.
Stop