12-9
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
DOUT 3 ( relay)
Control
Terminal
DEMAND (0 V = 0%, 10V = 100%)
RELAY SOURCE
HEALTH ie 0 V = not healthy
= 1
= 1
DIN7 (ENCB)
DIN6 (ENCA)
DIN5
DIN4
DIN3
DIN2
DIN1
+24V
AOUT1
AOUT2
AIN2
AIN1
0V
24V = coast to stop, 0V = drive may run
24V = reset Raise/Lower
24V = lower input
24V = raise input
24V = run forward
5
A0P1
5
D0P3
unused
unused
NOT COAST STOP
RESET
LOWER INPUT
RAISE INPUT
RUN FORWARD
24V
RAMP OUTPUT
+10V REF
Not Used
Not Used
0V
