Mitsubishi A1SD75M3

Appendix - 30
MELSEC-A
APPENDICES
Appendix 4 Comparisons with old versions of A1SD75M1/A1SD75M2/A1SD75M3, and
AD75M1/AD75M2/AD75M3 models
The following tables indicate performance comparison and function comparison
between the new and old versions of the A1SD75M1/A1SD75M2/A1SD75M3 and
AD75M1/AD75M2/AD75M3 and buffer memory addresses for additional functions.
(1) Function comparison
<Comparison on software version >
Software versions of A1SD75M and AD75M
Item
"W" or later "Q" or later "G" or later "F" or earlier
Reference
Restart at servo OFF to ON Possible Possible Possible Not possible Section 12.4.5
Positioning address pass mode Present Present Present Present
Near pass
mode
function
Near pass mode
Present Present Present Absent
Section 12.3.3
Parameter initialization function Possible Possible Possible Not possible Section 13.2
Regenerative load ratio Possible Possible Possible Not possible
Effective load ratio Possible Possible Possible Not possible
Peak load ratio Possible Possible Possible Not possible
Auto tuning Possible Possible Not possible Not possible
Load inertia ratio Possible Possible Not possible Not possible
Position loop gain 1 Possible Possible Not possible Not possible
Speed loop gain 1 Possible Possible Not possible Not possible
Position loop gain 2 Possible Possible Not possible Not possible
Speed loop gain 2 Possible Possible Not possible Not possible
Axis monitor
Speed integral
compensation
Values set to
servo amplifier
are always
stored*1.
Possible Possible Not possible Not possible
Section 5.6.2
Near-point dog method 2) Possible Possible Not possible Not possible Section 8.2.4
Zero point
return
method
Count method 3)
Possible Possible Not possible Not possible Section 8.2.7
Absolute position restoration mode switching
function
Possible Not possible Not possible Not possible Section 12.6.2
Selection of whether encoder output pulse
function and slight vibration suppression function
are valid or invalid when servo amplifier MR-J2S-
B is used
Possible Not possible Not possible Not possible Section 5.2.10
*1: When auto tuning is invalid, the values set to the servo amplifier are also stored.
<Comparison on hardware version>
Hardware versions of A1SD75M and AD75M
Item
A1SD75M1/M2 : "G" or later
A1SD75M3 : "H" or later
AD75M1/M2 : "F" or later
AD75M3 : "G" or later
A1SD75M1/M2 : "F" or earlier
A1SD75M3 : "G" or earlier
AD75M1/M2 : "E" or earlier
AD75M3 : "F" or earlier
Memory used for absolute position detection
system
FeRAM
E
2
PROM
E
2
PROM/FeRAM access count in absolute
position detection system
Max. 9.9999
10
9
times
Max. 100,000 times