Melsec-q, 5 data used for positioning control – MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D User Manual
Page 120
5 - 32
MELSEC-Q
5 DATA USED FOR POSITIONING CONTROL
An M code is a number between 0 and 65535 that can be assigned to each positioning
data (
Da.10
).
The sequence program can be coded to read an M code from the buffer memory
address specified by "
Md.25
Valid M code" whenever the M code ON signal [X4, X5,
X6, X7] turns ON so that a command for the sub work (e.g. clamping, drilling, tool
change) associated with the M code can be issued.
Setting value, setting range
Setting value buffer memory
address
Item
Value set with peripheral device
Value set with sequence
program
Default
value
Axis 1 Axis 2 Axis 3 Axis 4
0 : Standard speed switching mode
0
Pr.19
Speed switching mode
1 : Front-loading speed switching
mode
1
0
28
178
328
478
0 : Composite speed
0
Pr.20
Interpolation speed
designation method
1 : Reference axis speed
1
0
29
179
329
479
0 : Do not update current feed value
0
1 : Update current feed value
1
Pr.21
Current feed value during
speed control
2 : Clear current feed value to zero
2
0
30
180
330
480
b0
Lower limit
b1
Upper limit
b2
Drive unit
READY
b3
Stop signal
b4
External
command
b5
Zero signal
b6
Near-point
signal
b7
Not used
b8
Manual pulse
generator input
Pr.22
Input signal logic selection
b9
to
b15
Not used
0: Negative
logic
1: Positive
logic
b0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Always "0" is set to
the part not used.
0
31
181
331
481
b0
Command
pulse signal
b1
Not used
b2
Not used
b3
Not used
b4
Deviation
counter clear
Pr.23
Output signal logic selection
b5
to
b15
Not used
0: Negative
logic
1: Positive
logic
b0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Always "0" is set to
the part not used.
0
32
182
332
482
0: A-phase/B-phase multiplied by 4
0
1: A-phase/B-phase multiplied by 2
1
2: A-phase/B-phase multiplied by 1
2
Pr.24
Manual pulse generator
input selection
3: PULSE/SIGN
3
0
33
–
–
–
0: Speed-position switching control
(INC mode)
0
Pr.150
Speed-position function
selection
2: Speed-position switching control
(ABS mode)
2
0
34
184
334
484