Parker 591C - Page 103

4-20 Operating the Drive 590 Series DC Digital Drive
SPEED SETPOINT (100%)
NORMAL STOP
t
START / RUN (C3)
0%
100% = SPEED SETPOINT
SPEED DEMAND
STOP TIME DEFAULT 10.0 SEC
t
t
SPEED FEEDBACK
= SPEED SETPOINT
STOP ZERO
SPEED
(DEFAULT 2%)
0%
ACTUAL STOPPING RATE
DEPENDS ON LOAD INTERTIA,
MOTOR HP AND OVERLOAD
CAPABILITY OF MOTOR/DRIVE
DRIVE IS DISABLED BELOW
STOP ZERO SPEED
IF SET > 0.25%
t
DRIVE ENABLE = DISABLED
0%
DRIVE ENABLE =ENABLED
(DISPLAY DIAGNOSTIC)
DRIVE REMAINS ENABLED
FOR CONTACTOR DELAY
IF STOP ZERO SPEED < 0.25%
t
0%
DRIVE RUN LED
AND START CONTACTOR
CONTACTOR DELAY
(DEFAULT 1.0 SECS)
0%
Control Signals
Speed Demand
Actual Speed
Enable
Indicators