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6-4
Section
Origin Search Operation
133
4. Origin search direction:
Set the direction for origin search.
5. Origin compensation data:
If fine adjustment is required after the origin has been determined (e.g., if
there is inaccuracy in the position at which the proximity sensor turns ON or
if the motor has been changed), set the amount of compensation (the origin
compensation value) required.
Note
There are drives for stepping motors that can output positioning com-
pleted signals in the same way as servo drives. It is possible to set
modes 1 or 2 if this kind of drive is used.
6-4-2 Details of Parameters
The settings for the 5 parameters that determine the operation pattern for origin
search are given here. For data configurations for each of the parameters, refer
to
4-3 Axis Parameter Area
.
Operation Mode
The origin mode parameters determined the I/O signals used for origin search.
The I/O signals used for each mode are given in the following table.
Operation mode
I/O signals
Operation when
i i i d
d
p
Origin input signal
(selected using the
origin detection
method parameter)
Error counter reset
output
Positioning
completed input
p
origin is detected
during deceleration
from origin search
high speed
0
Origin is determined
by detecting the rising
edge of the origin
input signal.
Not used.
Not used.
After the origin has
been detected, origin
search operation is
terminated.
The origin input signal
during deceleration is
detected. An origin
input signal error
(error code 6202) will
be generated, and
operation will
decelerate to a stop.
1
Turns ON for 20 ms
when origin is
detected.
The origin input signal
during deceleration is
not detected.
Operation is stopped
and the origin is
determined when the
2
After the origin has
been detected, origin
search operation will
not be terminated until
a positioning
completed input
determined when the
origin input signal is
received after the
origin search
proximity speed has
been reached.
3
The origin is detected
at the drive using the
servo drive’s origin
adjustment function.
The origin input signal
at the PCU is not
used. Mode 3 cannot
be used with drives
that do not have the
origin adjustment
function.
Used as output for the
origin adjustment
command.
completed input
signal has been
received from the
drive. (The Busy Flag
will stay ON during
this time.)
Because origin
detection is not
carried out at the
PCU, this situation
does not arise.
Note
Specify mode 3 when using the origin adjustment function of OMRON’s R88D-H or R88D-M Servo Motor
Drive.
Set the operation according to the drive used and the application.
Summary of Contents for CS1W-NC113 - REV 02-2008
Page 1: ...CS1W NC113 213 413 133 233 433 Position Control Units ...
Page 2: ...iv ...
Page 4: ...vi ...