Speed Control By Joystick - Galil Motion Control DMC-1600 Series User Manual

BGZ
AMZ
VP -37600,-16000
VE
VS 200000
BGS
AMS
EN
Y
4
A
0
Figure 7.2 - Motor Velocity and the Associated Input/Output signals

Speed Control by Joystick

The speed of a motor is controlled by a joystick. The joystick produces a signal in the range
between -10V and +10V. The objective is to drive the motor at a speed proportional to the input
voltage.
Assume that a full voltage of 10 Volts must produce a motor speed of 3000 rpm with an encoder
resolution of 1000 lines or 4000 count/rev. This speed equals:
DMC-1600
Return XY to start
R=2
B
4
3000 rpm = 50 rev/sec = 200000 count/sec
C
X
9.3
Chapter 7 Application Programming • 155