FOR FIRST-TIME USERS OF AC SERVOS
1.1.3 Features ofΣ -Series Servos cont.
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5) Position control Servopack can be used as below.
• Using Servopack in Position Control Mode
Position
monitoring
Servopack
(position control)
Speed/current loop
Position
information
Host controller
Pulse train
Servomotor
Position feedback
Encoder
Pulse
train
Position
reference
Power
amplifier
The host controller can send a position reference (pulse train) to the Servopack to per-
form positioning or interpolation.
This type of Servopack contains a position control loop.
User constants can be used to select either of the following pulse trains:
(1) Code and pulse train
(2) Two-phase pulse train with 90° phase difference
(3) Forward and reverse pulse trains
The host controller receives a pulse train (position information) from the Servopack and
uses it to monitor the position.
6) A Digital Operator can be used to set user constants for a Servopack as follows:
(1) Setting user constants to enable or disable each function
(2) Setting user constants required for functions to be used
Set user constants according to the servo system to be set up.
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