13-9 Applications  
650V AC Drive 
Application 4: Raise/Lower  Trim
 
This Application mimics the operation of a motorised potentiometer. Digital inputs allow the setpoint to be increased and 
decreased between limits. The limits and ramp rate can be set using the keypad. 
The Application is sometimes referred to as Motorised Potentiometer.
 
 
User Relay
10
9
8
7
6
5
4
3
2
1
RL1A
RL1B
13
12
11
WIRE
SINGLE
STARTING
DIN7 (ENCB)
DIN6 (ENCA)
DIN5
DIN4/DOUT2
DIN3 LOWER INPUT 24V = lower input
DIN2
RESET 24V = reset Raise/Lower
DIN1 RUN FORWARD 24V = run forward
+24V
AOUT1
RAMP OUTPUT
+10V REF
AIN2 Not Used
AIN1
Not Used
0V
DOUT3 (relay)
24V
+10V REF
0V
Control
Terminal
NOT COAST STOP
24V = coast to stop, 0V = drive may run
RAISE INPUT 24V = raise input
DEMAND  (0V = 0%, 10V = 100%)
RELAY SOURCE HEALTH   i.e. 0V = not healthy
= 1
= 1
Not Used
Not Used