Parker 590 series - Page 78

4-14 Operating the Converter
590 Series DC Digital Converter
SPEED SETPOINT
TIME-OUT IN NORMAL STOP
0%
START/RUN (C3)
SPEED SETPOINT
SPEED DEMAND
0%
0%
SPEED FEEDBACK
STOP ZERO SPEED
(DEFAULT 2% )
= SPEED SETPOINT
CONTACTOR WILL DROP OUT
IF SPEED FEEDBACK > STOP ZERO SPEED
WHEN STOP LIMIT TIMED OUT
0%
DRIVE ENABLE =ENABLED
DRIVE RUN LED
AND START CONTACTOR
STOP LIMIT ( DEFAULT 60.0 SEC )
DRIVE ENABLE =DISABLED
DRIVE RUN LED & START CONTACTOR
t
t
t
t
Control Signals
Speed Demand
Actual Speed
Indicators