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802
High-speed Counter/Pulse Output Instructions
Section 3-21
3-21-8 ORIGIN SEARCH: ORG(889) (CJ1M-CPU22/CPU23 Only)
Purpose
ORG(889) performs an origin search or origin return operation.
This instruction is supported by the CJ1M-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
Operands
P: Port Specifier
The port specifier specifies the port where the pulses will be output.
C: Control Data
The value of C determines the origin search method.
Operand Specifications
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
P
Port
0000 hex
Pulse output 0
0001 hex
Pulse output 1
Always 0 hex.
Always 0 hex.
Pulse output method (See note.)
0 hex: CW/CCW
1 hex: Pulse + direction
Mode
0 hex: Origin search
1 hex: Origin return
Note: Use the same pulse output method when using both pulse outputs 0 and 1.
0
3
4
7
8
11
12
15
C
Area
P
C
CIO Area
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Work Area
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Holding Bit Area
---
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Auxiliary Bit Area
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Summary of Contents for CJ1G-CPUxx
Page 3: ...iv N o t i c e ...
Page 5: ...vi ...
Page 21: ...xxii Conformance to EC Directives 6 ...
Page 35: ......
Page 1131: ...1110 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...