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10-5
Section
Origin Search
216
10-5 Origin Search
10-5-1 Origin Search Using Limit Input
Overview
•
An origin search can be carried out in single-direction mode using the CW/
CCW limit input signal as an origin proximity input signal.
•
The origin is established by the first origin input signal after the CW or CCW
limit input switch is turned from ON to OFF.
Operation Example
The following example is an origin search operation in single-direction mode
using the CCW limit input signal. In this example, the CCW limit input is an N.C.
contact. With an N.O. contact, the logic is reversed.
Operation starts
Speed (pps)
Time
CCW limit input signal
Origin input signal
Pulse output
1, 2, 3...
1. When the operation start switch is turned ON, the origin search starts with
an origin search high speed of 500 pps in the CW direction on the X axis.
2. When the CCW limit input signal is turned ON, the program decelerates to
an origin search proximity speed of 100 pps.
3. When the first origin input signal is turned on after the CCW limit input signal
is turned ON, the pulse output is stopped and the origin is established.
Setting the Unit
Unit Number: Unit #0
Unit Used:
NC113
Data Memory Settings
DM
Setting
Contents of setting
DM
Setting
Contents of setting
1000
000D
Sets the operating data area to
DM 0500 onwards
1014
****
Acceleration/deceleration curve:
trapezoid
1001
0500
0500 o
a ds
1015
0005
Acceleration time (from 0 to
i
d) 5
1002
0001
Not mounted to a Slave.
DM 1004 onwards used for
parameter transfer
1016
0000
(
maximum speed): 5 ms
1003
****
Reserved
1017
0005
Deceleration time (from
i
d
0) 5
1004
****
I/O setting
1018
0000
(
maximum speed to 0): 5 ms
1005
0321
CW/limit input used/single
direction mode/mode 1
1019
****
Positioning monitor time
1006
0500
Maximum speed: 500 pps
1020
****
CCW software limit
1007
****
Initial speed
1021
****
1008
0500
Origin search high speed
1022
****
CW software limit
1009
0100
Origin search proximity speed
1023
****
1010
****
Origin compensation value
1024
****
Reserved
1011
****
g
p
1025
****
1012
****
Backlash compensation value
1026
****
1013
****
Backlash compensation speed
1027
****
Summary of Contents for C200HW
Page 1: ...Cat No W334 E1 04 Position Control Units SYSMAC C200HW NC113 NC213 NC413 ...
Page 2: ...C200HW NC113 NC213 NC413 Position Control Units Operation Manual Revised July 2003 ...
Page 3: ...iv ...
Page 5: ...vi ...
Page 285: ...Cat No W334 E1 04 C200HW NC113 NC213 NC413 Position Control Units OPERATION MANUAL ...