12-9
Applications
650 Series 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
WIRE
SINGLE
STARTING
DIN4/DOUT2
DIN3
LOWER INPUT
24V = lower input
DIN2
RESET
24V = reset Raise/Lower
DIN1
RUN FORWARD
24V = run forward
+24V
AOUT
RAMP OUTPUT
+10V REF
AIN2
Not Used
AIN1
Not Used
0V
DOUT3 (relay)
24V
+10V REF
0V
Control
Terminal
RAISE INPUT
24V = raise input
DEMAND (0V = 0%, 10V = 100%)
RELAY SOURCE
HEALTH i.e. 0V = not healthy
= 1
= 1
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