Mitsubishi Electric MELSEC Q Series Programming Manual page 102

3 POSITIONING DEDICATED SIGNALS
[Input situation of positioning data in the Motion CPU]
Update of data using the Motion SFC program
Updated data Indirect device D
Updating
(A) 0 (1)
(B) 2 (2)
(C) 4 (3)
(D) 6 (4)
8 (5)
10 (6)
12 (7)
14 (8)
16 (9)
18 (10)
20 (11)
22 (12)
24 (13)
26 (14)
28 (15)
30 (16)
32 (17)
34 (18)
Point
Input
(A)
First
0
positioning
(B)
(C)
1
(D)
2
3
4
5
6
7
8
Second
positioning
The internal processing shown above is described in the next page.
Positioning data input to the Motion CPU at each point
Positioning point
7 6 5
Positioning
start
(15) (13) (11)
(16) (14) (12)
0 8 7 6
(17) (15) (13)
(18) (16) (14)
1 0 8 7
(A) (17) (15)
(B) (18) (16)
2 1 0 8
(C) (A) (17)
(D) (B) (18)
3 2 1 0
(5) (C) (A)
(6) (D) (B)
4 3 2 1
(7) (5) (C)
(8) (6) (D)
5 4 3 2
(9) (7) (5)
(10) (8) (6)
6 5 4 3
(11) (9) (7)
(12) (10) (8)
7 6 5 4
(13) (11) (9)
(14) (12) (10)
8 7 6 5
(15) (13) (11)
(16) (14) (12)
Point 0 8 7 6
(17) (15) (13)
(18) (16) (14)
3 - 53
Data set pointer for
constant-speed control
4 3 2 1 0
Indicates the last
posiitoning data input
(9) (7) (5) (3) (1)
to the Motion CPU.
(10) (8) (6) (4) (2)
Each time the
positioning at a point
5 4 3 2 1
is completed, the
value increases by one.
(11) (9) (7) (5) (3)
(12) (10) (8) (6) (4)
6 5 4 3 2
(13) (11) (9) (7) (5)
(14) (12) (10) (8) (6)
Update data set pointer
The user uses the Motion
7 6 5 4 3
SFC program to store the
(15) (13) (11) (9) (7) positioning data updated
last time to the end of a
(16) (14) (12) (10) (8)
selected device.
8 7 6 5 4
(17) (15) (13) (11) (9)
(18) (16) (14) (12) (10)
0 8 7 6 5
(A) (17) (15) (13) (11)
(B) (18) (16) (14) (12)
1 0 8 7 6
(C) (A) (17) (15) (13)
(D) (B) (18) (16) (14)
2 1 0 8 7
(5) (C) (A) (17) (15)
(6) (D) (B) (18) (16)
3 2 1 0 8
(7) (5) (C) (A) (17)
(8) (6) (D) (B) (18)
4 3 2 1 0
(9) (7) (5) (C) (A)
(10) (8) (6) (D) (B)
5 4 3 2 1
(11) (9) (7) (5) (C)
(12) (10) (8) (6) (D)