12 - 56
MELSEC-
A
12 CONTROL AUXILIARY FUNCTIONS
(5) Control details
(a) The following drawing shows a step operation during a "deceleration unit
step".
Positioning
Positioning data No.
No.10
11
No.11
01
No positioning data No. unit, so operation pattern becomes
one step of unit for carr
y
in
g
out automatic deceleration.
t
OFF
ON
ON
OFF
V
ON
OFF
OFF
Cd. 26 Step valid flag
Da. 1 Operation pattern
BUSY signal
Positioning start signal
Positioning complete signal
[RY(n+1)0, RY(n+1)1]
[RXn4, RXn5]
[RXn7, RXn8]
Fig. 12.34 Operation during step execution by deceleration unit step
(b) The following drawing shows a step operation during a "data No. unit step".
Cd. 28 Step start information
Cd. 26 Step valid flag
Positioning
Positioning data No.
Da. 1 Operation pattern
BUSY signal
Positioning start signal
Positioning complete signal
[RXn4, RXn5]
[RY(n+1)0, RY(n+1)1]
[RXn7, RXn8]
No.10
11
No.11
01
Operation pattern becomes one step of positioning data No. unit,
regardless of continuous path control (11).
00H
01H
00H
OFF
ON
OFF
OFF
ON
ON
ON
OFF
t
V
Fig. 12.35 Operation during step execution positioning data No. unit step