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5. PARAMETERS
To rotate the servo motor at 3000r/min in the open collector system (200kpulse/s), set the electronic
gear as follows
CDV
CMX
N
0
f
60
pt
f : Input pulses [pulse/s]
N
0
: Servo motor speed [r/min]
Pt : Servo motor resolution [pulse/rev]
CDV
CMX
3000
60
200
131072
CDV
CMX
3000
60
131072
200
60 200000
3000
131072 4096
125
The following table indicates the electronic gear setting example (ballscrew lead 10mm) when the
AD75P is used in this way.
Rated servo motor speed 3000r/min 2000r/min
Input system
Open
collector
Differential
line driver
Open
collector
Differential
line driver
Max. input pulse frequency [kpulse/s] 200 500 200 500
Feedback pulse/revolution [pulse/rev] 131072 131072
Servo amplifier
Electronic gear (CMX/CDV) 4096/125 2048/125 8192/375 4096/375
Command pulse frequency [kpulse/s] (Note) 200 400 200 400
Number of pulses per servo motor revolution as
viewed from AD75P[pulse/rev]
4000 10000 6000 15000
AP1111
AL1111
Minimum command unit
1pulse
AM1111
AP 4000 10000 6000 15000
AL 1000 1000 1000 1000
AD75P
Electronic gear
Minimum command unit
0.1
m
AM 10 10 10 10
Note: Command pulse frequency at rated speed