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6-2
Section
Origin Search Procedure
129
Function
Operation
JOG (speed feeding)
Before pulses are output, the present position is
taken to be 0.
ORIGIN RETURN
Cannot be used. If an attempt to use this function
is made, a present position unknown error (error
code 5040) will be generated.
Direct
operation
ABSOLUTE
MOVEMENT
Cannot be used. If an attempt to use this function
is made, a present position unknown error (error
code 5040) will be generated.
RELATIVE
MOVEMENT
Before pulses are output, the present position is
taken to be 0. The specified number of pulses
are then output.
INTERRUPT
FEEDING
Before pulses are output, the present position is
taken to be 0. If an interrupt input signal is
subsequently input, the position at that point in
time is taken to be 0, and the specified number of
pulses are output.
Memory operation
With memory operation, JOG, ABSOLUTE
MOVEMENT, RELATIVE MOVEMENT, and
INTERRUPT FEEDING can be operated in
combination but positioning cannot be performed
for an absolute position. If an attempt to perform
absolute positioning is made, a present position
unknown error (error code 5040) will be
generated.
Note
If an attempt to execute TEACH is made, a present position unknown error (error
code 5040) will be generated.
6-2
Origin Search Procedure
The data settings required to perform origin search for the X axis are given here
as an example.
1, 2, 3...
1. Set the common parameters. (Refer to
4-2 Common Parameter Area
.)
m:
Set the operating data area either to DM or to EM.
m+1:
Set the beginning word of the operating data area (I).
m+2:
Designate the axis parameters.
2. Set the axis parameters.
Set the I/O settings, operation mode selection, origin search operation, ori-
gin detection method, initial speed, origin search high speed, origin search
proximity speed, origin compensation, origin search direction, origin search
acceleration time, and origin search deceleration time.
3. Power up again or restart.
The data for the common parameters set in 1 above is enabled.
4. Execute ORIGIN SEARCH.
Turn ON the ORIGIN SEARCH Bit in the operating memory area.
Note
The origin search acceleration time set with the parameters is the time taken to
reach the maximum speed also set with the parameters. Similarly, the origin
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