Revision 1.1
Variphase User Manual
Page 12
Analog Speed Control with Speed Regulation
Overview
•
An external potentiometer controls set-point from 0% to 100%.
•
100% motor speed is set using Modbus Reg 13 (default is 1500 rpm)
•
Variphase automatically adjusts motor output to maintain set-speed
•
P, I and D parameters can be adjusted to configure closed-loop response
•
Adjust Minimum Speed Pot to limit lowest motor voltage.
Configuration
•
Install JP1
•
Install JP5 (Enable Tach/Hall Effect Sensor Jumper)
•
Wire tachometer feedback signal to control terminals
•
Use ACC1-PID Console to configure PID parameters (optional)
Potentiometer
5K - 50K Ohms
+
5
V
H
a
ll
0
V
+
1
2
V
A
N
A
2
0
V
A
N
A
1
Variphase Control Terminals
S N
Hall-Effect Sensor
1 Pulse per revolution
Cherry P/No
MP100701 or similar
7 Way 0.2" Terminal Block Plug
Phoenix 1757064 or similar
BLACK
BLUE
BROWN
Figure 5
