User`s manual

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MELSEC-Q
4 DATA USED FOR POSITIONING CONTROL
Storage buffer memory address
Item Storage details
Default
value
Axis 1Axis 2Axis 3Axis 4Axis 5Axis 6Axis 7Axis 8
Md. 6
Axis
warning
code
At axis warning occurrence, the warning code
corresponding to the warning definition is stored.
• The latest warning code is always stored. (When
a new axis warning occurs, the old warning code
is overwritten.)
• When "
Cd. 1
Axis error reset" (axis control data)
of the corresponding axis is turned ON, the axis
warning code is cleared (to zero).
(Refer to "Section 13.3" for details of the warning
codes.)
0 78 178 278 378 478 578 678 778
Md. 7
Status
The ON/OFF states of the following flags are
stored.
The following items are stored.
• OPR request flag
(Refer to "Chapter 8" for details)
This flag turns ON at power-on or at machine
OPR control start, and turns OFF on
completion of machine OPR control.
• OPR complete flag
(Refer to "Chapter 8" for details)
This flag turns ON on normal completion of
machine OPR control, and turns OFF at an
OPR control, positioning control or JOG
operation start.
• 0 speed (Refer to "Section 11.3" for details)
This flag turns on when JOG operation or
speed control of speed-position switching
control is started with the speed set to "0".
When a speed change is made, this flag turns
ON when a speed change request of new
speed value 0 is given, and turns OFF when a
speed change request of other than new
speed value 0 is given.
b15 b0b4b8b12
0 : OFF
1 : ON
Not used
Storage item
Meaning
OPR request flag
OPR complete flag
0 speed
0001
H
79 179 279 379 479 579 679 779
Md. 8
External I/O
signal
The ON/OFF states of the external I/O signals are
stored.
The following items are stored.
• Zero signal
• Near-point dog signal
• Speed-position switching signal
• Deviation counter clear signal
b15 b0b4b8b12
0 : OFF
1 : ON
Storage item
Meaning
Not used
Zero signal
Near-point dog
signal
Speed-position
switching signal
Deviation counter
clear signal
0000
H
80 180 280 380 480 580 680 780
Md. 9
Executing
positioning
data No.
• The positioning data No. currently being
executed is stored. (The stored value is held until
the next start is executed.)
• When JOG operation or machine OPR control is
started, 0 is stored.
• When fast OPR control is started, 1 is stored.
0 81 181 281 381 481 581 681 781