34 ACS 300 User’s Manual
Chapter 4 - Control Connections
Motor
Potentiometer
Motor Potentiometer mode has motor potentiometer function
programmed to digital inputs 3 and 4. Parameter PARAM SET
has value 1. Table 4-14 shows the functions of the digital inputs
when in Motor Potentiometer mode.
Table 4-14 Motor Potentiometer digital input functions.
If you select Start, ACS 300 is set to minimum frequency. If you
use Reverse, the drive will continue with a frequency that is the
negative value of the valid reference frequency.
The ACS 300 accelerates/decelerates using Page 1 parameters
ACC 1/ DEC 1 when changing rotation direction. Acceleration
from 0 Hz to MIN FREQ is also done with ramp 1.
Note! AI is disabled when Motor potentiometer control mode is
selected.
Note! STOP command (power off) resets parameter REF FREQ.
Digital input Function Notes
DI1 Start Connect +24 V DC to Start
DI2 Reverse Connect +24 V DC to Reverse
DI3 Increment fr. Connect +24 V DC to increment fr. (ramp 2)
DI4 Decrement fr. Connect +24 V DC to decrement fr. (ramp 2)
DI5 CS1 Connect +24 V DC to select constant speed 1
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