7 POSITIONING MODULE REPLACEMENT
7 - 50
7.6.4 Buffer memory address comparison
Sequence program change is required because the assignment of buffer memory differs between the
modules.
For details of the buffer memory or sequence program, refer to the MELSEC-Q QD73A1 Positioning
Module User's Manual.
area shows the differences between the AD70 and the QD73A1.
Item
Buffer memory address
AD70 QD73A1
Fixed parameter
Stroke limit upper limit
0
1
0
1
Stroke limit lower limit
2
3
2
3
Electronic gear
Numerator of command
pulse multiplication
44
Denominator of
command pulse
multiplication
55
Variable parameter
Speed limit value
20
21
20
21
Acceleration time
22 22
Deceleration time
23 23
In-position range
24 24
Positioning mode
25 25
OPR data
OP address
40
41
40
41
OPR speed
42
43
42
43
Creep speed
44
45
44
45
Setting for the movement amount after near-point
dog ON
46
47
46
47
Positioning data
Positioning pattern
60 301
Positioning address P
1
61
62
302
303
Positioning speed V
1
63
64
304
305
Positioning address P
2
65
66
306
307
Positioning speed V
2
67
68
308
309
Control change area
New current value
80
81
80
81
New speed value
82
83
82
83
JOG speed (area)
84
85
84
85
Deviation counter clear command
86 86
Analog output adjustment area 1
87 87
New speed-position movement amount
88
89
88
89
Current value change request
-- 90
Speed change request
-- 91
Analog output adjustment area 2
--
92
93