Specifications
3 - 19
Table 3.5 Frequently-used buffer memory (Continued)
Buffer Memory Address
Axis 1 Axis 2 Axis 3 Axis 4
Item Remarks/Setting range
Initial
value
• Set the positioning start No. for executing the positioning 1500 1600 1700 1800
Positioning start No.
1 to 600: Positioning data No.
designation
9001: Machine OPR
9003: Current value changing
7000 to 7004: Block start designation
9002: Fast-OPR
9004: Simultaneous starting of
multiple axes
0
• Clears the axis error detection, axis error No., axis warning detection and
axis warning No.
• When the axis operation is in an error occurrence state, the error is cleared
and the QD75 is returned to the waiting state.
1502 1602 1702 1802
Axis error reset
0: Axis error reset request acceptance is completed (set by QD75)
1: Axis error reset request (Set by PLC program)
0
• By setting "1" when axis operation state is stopped, positioning will be
carried out again from the stopped position to the end point of the stopped
positioning data.
1503 1603 1703 1803
Restart command
0: Restart command acceptance is completed (set by QD75)
1: Restart command (set by PLC program)
0
• The M code ON signal turns off. 1504 1604 1704 1804
M code OFF
request
0: M code OFF request acceptance is completed (set by QD75)
1: M code OFF request (set by PLC program)
0
• Validates or invalidates external command signals. 1505 1605 1705 1805
External command
valid
0: Invalidates an external command.
1: Validates an external command.
0
• When changing the current feed value using the start No. 9003, use this
data item to specify a new feed value.
-2147483648 to
+2147483647
10
-1
μm
-2147483648 to
+2147483647
10
-5
inch
0 to 35999999
10
-5
degree
-2147483648 to
+2147483647
pulse
1506
1507
1606
1607
1706
1707
1806
1807
New current value
1 to 300%
0
• When changing the speed, use this data item to specify a new speed. The
operation halts if you specify 0.
1514
1515
1614
1615
1714
1715
1814
1815
New speed value
0 to 2000000000
10
-2
mm/min
0 to 2000000000
10
-3
inch/min
0 to 2000000000
10
-3
degree/min
0 to 1000000
pulse/s
0
• When changing the speed, use this data item to specify a new speed. 1516 1616 1716 1816
Speed change
request
0: Speed change request acceptance is completed. (set by QD75)
1: Speed change request (set by PLC program)
0
• Use this data item to set the amount of movement by inching.
The machine performs a JOG operation if 0 is set.
1517 1617 1717 1817
Inching movement
amount
0 to 65535
10
-1
μ
m
0 to 65535
10
-5
inch
0 to 65535
10
-5
degree
0 to 65535
pulse
0
• Use this data item to store the JOG speed during JOG operation.
• When changing JOG speed during JOG operation, new JOG speed is
stored.
1518
1519
1618
1619
1718
1719
1818
1819
JOG speed
1 to 2000000000
10
-2
2mm/min
1 to 2000000000
10
-3
inch/min
1 to 2000000000
10
-3
degree/min
1 to 1000000
pulse/s
0
• When the external command function selection is set to speed-position or
position-speed switching request, set whether to enable the switching by the
external control switching signal (external command signal "CHG").
1528 1628 1728 1828
Speed-position
switching enable
flag
0: Disable
1: Enable
0