Origin Search: Org(889) (Cj1M-Cpu21/22/23 Only) - Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual

High-speed Counter/Pulse Output Instructions

3-21-9 ORIGIN SEARCH: ORG(889) (CJ1M-CPU21/22/23 Only)

Purpose
Ladder Symbol
Variations
Applicable Program Areas
Operands
Operand Specifications
ORG(889) performs an origin search or origin return operation.
This instruction is supported by CJ1M-CPU21/22/23 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.
ORG(889)
P
P: Port specifier
C
C: Control data
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification
Block program areas
OK
P: Port Specifier
The port specifier specifies the port where the pulses will be output.
P
0000 hex Pulse output 0
0001 hex Pulse output 1
C: Control Data
The value of C determines the origin search method.
15 12 11 8 7
C
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.
Area
CIO Area
Work Area
Holding Bit Area
Auxiliary Bit Area
Timer Area
Step program areas Subroutines
OK OK
Port
4 3 0
Always 0 hex.
Always 0 hex.
P
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Section 3-21
ORG(889)
@ORG(889)
Not supported
Interrupt tasks
OK
C
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