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ORIGIN SEARCH: ORG(889)
Section 5-9
5-9
ORIGIN SEARCH: ORG(889)
Purpose
ORG(889) performs an origin search or origin return operation.
This instruction is supported by the CJ1M-CPU21/CPU22/CPU23 CPU Units
only.
■
Origin Search
Pulses are output using the specified method to actually drive the motor and
establish the origin based on origin proximity input and origin input signals.
■
Origin Return
The positioning system is returned to the pre-established origin.
Ladder Symbol
Variations
Applicable Program Areas
0014
01F4
0000
D00100
D00101
D00102
000A
03E8
0000
D00105
D00106
D00107
@ACC
#0000
#0000
D00100
@ACC
#0000
#0000
D00105
500 Hz
1000 Hz
Target frequency: 500 Hz
Accleration/deceleration rate: 20 Hz
Target frequency: 1,000 Hz
Accleration/deceleration rate: 10 Hz
000000
000001
Time
Pulse frequency
ACC(888) executed. ACC(888) executed.
Pulse output 0
Pulse output 0
Method: CW/CCW
Direction: CW
Mode: Continuous
Method: CW/CCW
Direction: CW
Mode: Continuous
Target frequency
10 Hz/4 ms
20 Hz/4 ms
ORG(889)
P
C
P:
Port specifier
C:
Control data
Variations
Executed Each Cycle for ON Condition
ORG(889)
Executed Once for Upward Differentiation
@ORG(889)
Executed Once for Downward Differentiation
Not supported
Immediate Refreshing Specification
Not supported
Block program areas
Step program areas
Subroutines
Interrupt tasks
OK
OK
OK
OK
Summary of Contents for CJ1M-CPU21
Page 1: ...Cat No W395 E1 03 CJ series Built in I O CJ1M CPU21 22 23 CJ1M CPU Units...
Page 2: ...CJ series Built in I O CJ1M CPU21 22 23 CPU Units Operation Manual Revised August 2004...
Page 3: ...iv...
Page 19: ...xx...
Page 79: ...50 Wiring Examples Section 3 3...
Page 217: ...188 Origin Search and Origin Return Functions Section 6 3...
Page 220: ...191 Built in Outputs Section 7 1...
Page 247: ...218 Built in Outputs Section 7 1...
Page 251: ...222 Combinations of Pulse Control Instructions Appendix A...
Page 255: ...226 Using Pulse Instructions in other CPU Units Appendix B...
Page 263: ...234 Index...
Page 265: ...236 Revision History...