Omron CJ1W-NC271 - 12-2009, Operation Manual

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Axis Operating Input Memory Areas
Section 4-8
4-8-2 Axis Operating Input Memory Area Allocations
The memory allocation of the Axis Operating Input Memory Areas is shown in
the following table. For details on functions and operations of each word, such
as operation timing, refer to the section given in the
Details column.
b = Beginning word of Axis Operating Input Areas specified in Common
Para (Axis No.
−
1)
×
25
I/O Word Bits Category Name Function Details
Input
(PCU
to CPU
Unit) b 00 Axis Con-
trol Status
Flags Receiving Com-
mand Flag ON when the PCU is in the
process of receiving an oper-
ating command.
1: Receiving command
If another operating command
with the same priority level is
started while this flag is ON, a
Multistart Error (axis error
code: 3050) will occur. (Refer
to
4-7-3 Axis Operating Out-
put Memory Area Priority .)
The Receiving Command
Flag remains ON (1) for at
least one cycle time, and
turns OFF (0) when the com-
mand reception processing is
completed.
4-8-3 Axis Control
Status Flags
9-4 Using Direct
Operation
10-5 Speed Control
10-6 Torque Control
01 to 04 Not used (reserved
by the system). Always 0. ---
05 PCU Positioning
Completed Flag ON when a PCU operation
executed in response to a
positioning command is com-
pleted and the axis position is
within the positioning comple-
tion range set for the target
position.
1: Any of the following opera-
tions are completed:
Direct operation (ABSO-
LUTE MOVEMENT, REL-
ATIVE MOVEMENT,
INTERRUPT FEEDING),
ORIGIN SEARCH, ORI-
GIN RETURN
The flag turns OFF (0) when
the power is turned ON, a
connection is established, or
when another axis operation
is started.
This flag remains OFF if
EMERGENCY STOP or
DECELERATION STOP are
executed while the axis is
operating.
4-8-3 Axis Control
Status Flags
8-2 Origin Search
Operation
8-4 Origin Return
9-4 Using Direct
Operation