Table of Contents
Advertisement
12 CONTROL SUB FUNCTIONS
V
Fig. 12.24 Restarting speed after speed change made during position control
Positioning start signal
[Y10, Y11, Y12, Y13]
BUSY signal
Cd. 14 New speed value
Cd. 15 Speed change request
Positioning operation
Speed change 0 flag
Md. 31 status: b10
(3) When the stop command was given to make a stop after a speed change
that had been made during position control, the restarting speed depends
Cd.14
on the "
Speed change
command
Stop command
(4) When the speed is changed by setting "
the operation is carried out as follows.
•
A deceleration stop is carried out, and the speed change 0 flag
Md.31
(
Status: b10) turns ON.
(During interpolation control, the speed change 0 flag on the reference axis
side turns ON.)
•
The axis stops, but "
the BUSY signal remains ON. (If a stop signal is input, the BUSY signal
will turn OFF, and "
"stopped".)
In this case, setting the "
will turn OFF the speed change 0 flag (
continued operation.
ON
OFF
ON
[XC,XD,XE,XF]
OFF
0
OFF(0)
OFF(0)
Fig. 12.25 Speed change at new speed value "0"
New speed value".
Restarting
command
Md.26
Axis operation status" does not change, and
Md.26
Axis operation status" will change to
Cd.14
New speed value" to a value besides "0"
1000
ON(1)
ON(1)
12 - 39
MELSEC-Q
Da. 8
Command speed
Cd. 14 New speed value
t
Cd.14
New speed value" to "0",
Md.31
Status: b10), and enable
Advertisement
Table of Contents
