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Appendix - 5 Appendix - 5
MELSOFT
A
PPENDICES
Appendix 2.3 Comparison between Older and Newer Versions of A1SD75M1/M2/M3 and
AD75M1/M2/M3
The following tables list the comparison between the older and newer versions of
A1SD75M1/M2/M3 and AD75M1/M2/M3, and the buffer memory addresses for added
functions.
(1) Function comparison
Version
Item
"W" or later "Q" or later "G" or later "F" or earlier
Restart at servo OFF → ON Possible Possible Possible Not possible
Positioning address passage mode Available Available Available Available
Locus control
in interpolation
operation
Near passage mode Available Available Available Not available
Parameter initialization function Possible Possible Possible Not possible
Regenerative load ratio Possible Possible Possible Not possible
Practical 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 gain1 Possible Possible Not possible Not possible
Speed loop gain1 Possible Possible Not possible Not possible
Position loop gain2 Possible Possible Not possible Not possible
Speed loop gain2 Possible Possible Not possible Not possible
Axis monitor
Speed integral
compensation
Setting values of
servo amplifier are
stored always.
Possible Possible Not possible Not possible
Near-point dog method 2 ) Possible Possible Not possible Not possible
OPR method
Count method 3 ) Possible Possible Not possible Not possible
Absolute position restoration mode switching function Possible Not possible Not possible Not possible
Encoder output pulse function for use of MR-J2S-B servo
amplifier, slight vibration suppression function enable/disable
selection
Possible Not possible Not possible Not possible
(2) Additional buffer memory addresses
Buffer Memory Address
Axis 1 Axis 2 Axis 3
Name Function Used
64
65
214
215
364
365
Restart permission range Restart at servo OFF → ON
66 216 366 Locus control near passage selection Interpolation operation
91 241 391 Absolute position restoration selection
Absolute position restoration mode
switching function
138 288 438 Encoder output pulses Encoder output pulse function
149 299 449 Servo parameter transmission setting
Encoder output pulse function
Slight vibration suppression function
876 976 1076 Regenerative load ratio
877 977 1077 Practical load ratio
878 978 1078 Peak load ratio
880
to
883
980
to
983
1080
to
1083
FeRAM access counts
Axis monitor
1139 Parameter initialization request Parameter initialization function
: Indicates the function of the MR-J2S-B servo amplifier.