4.7 Control signals
4.7.1
Analog setpoint input (X3)
The servo amplifier has a programmable input for analog setpoints.
AGND (X3/1) must always be joined to the CNC-GND of the controls to provide a ground
reference.
Technical data
— Input voltage max. ± 10 V
— Resolution 1.25 mV
— Ground reference AGND, terminal X3/1
— Input resistance 20 kW
— Common mode voltage range for both inputs ± 10 V supplementary
Analog input (terminals X3/2-3)
Input voltage max. ± 10 V, 14-bit resolution, scalable
Standard setting: Speed Setpoint
Fixing the direction of rotation
Standard setting: clockwise rotation of the motor shaft (looking at shaft end)
with positive voltage on terminal X3/3 (+ ) against X3/2(-)
To reverse the direction of rotation you can swap the connections to terminals X3/2-3 or
change the DIRECTION parameter in the SPEED screen.
SERVOSTAR
®
400 Installation Manual 41
Kollmorgen 07/05 Interfaces
SERVOSTAR 400
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