Mitsubishi Electric MELSECQ Series User Manual page 82

4 DATA USED FOR POSITIONING CONTROL
Item
Md. 6 Axis
warning
code
Md. 7 Status
Md. 8 External I/O
signal
Md. 9 Executing
positioning
data No.
4 - 28
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Storage details
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.)
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 b12 b8 b4 b0
Storage item
Not used
OPR request flag
OPR complete flag
0 speed
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 b12 b8 b4 b0
Storage item
Not used
Zero signal
Near-point dog
signal
Speed-position
switching signal
Deviation counter
clear signal
• 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.
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Default Storage buffer memory address
value Axis 1 Axis 2 Axis 3 Axis 4 Axis 5 Axis 6 Axis 7 Axis 8
0 78 178
0001 79 179
H
Meaning
0 : OFF
1 : ON
0000 80 180
H
Meaning
0 : OFF
1 : ON
0 81 181
MELSEC-Q
278 378 478 578 678
279 379 479 579 679
280 380 480 580 680
281 381 481 581 681
4 - 28
778
779
780
781