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5. PARAMETERS
(3) Setting for use of AD75P
The AD75P also has the following electronic gear parameters. Normally, the servo amplifier side
electronic gear must also be set due to the restriction on the command pulse frequency (differential
400kpulse/s, open collector 200kpulse/s).
AP: Number of pulses per motor revolution
AL: Moving distance per motor revolution
AM: Unit scale factor
Command
value
Control
unit
AP
AMAL
CMX
CDV
Deviation
counter
Electronic gear
Feedback pulse
Command
pulse
Servo amplifierAP75P
Servo motor
Electronic gear
The resolution of the servo motor is 131072 pulses/rev. For example, the pulse command needed to
rotate the servo motor is as follows
Servo motor speed [r/min] Required pulse command
2000 131072 2000/60 4369066 pulse/s
3000 131072 3000/60 6553600 pulse/s
For the AD75P, the maximum value of the pulse command that may be output is 200kpulse/s in the
open collector system or 400kpulse/s in the differential line driver system. Hence, either of the servo
motor speeds exceeds the maximum output pulse command of the AD75P.
Use the electronic gear of the servo amplifier to run the servo motor under the maximum output pulse
command of the AD75P.