GE AF-650 GP Programming Manual page 57

Parameter Descriptions
C-21 Jog Speed [RPM]
Range:
150 [0 - par.
RPM F-17
*
RPM]
3 3
C-22 Jog Accel/Decel Time
Range:
3.00 [0.01
s - 3600
*
s]
Illustration 3.19 Jog Ramp Time
Par . C − 22 =
Δ log speed par . C − 21 RPM
C-23 Quick Stop Decel Time
Range:
3.00 [0.01
s - 3600
*
s]
56
Function:
Enter a value for the jog speed n
a fixed output speed. The frequency
converter runs at this speed when the jog
function is activated. The maximum limit is
defined in parameter F-17 Motor Speed High
Limit [RPM].
See also parameter C-22 Jog Accel/Decel Time.
Function:
Enter the jog ramp time, i.e. the acceleration/
deceleration time between 0 RPM and the rated
motor frequency n . Ensure that the resulting
s
output current required for the given jog ramp
time does not exceed the current limit in
parameter F-43 Current Limit. The jog ramp time
starts after activation of a jog signal via the
keypad, a selected digital input, or the serial
communication port. When jog state is disabled
then the normal ramping times are valid.
t s x n RPM
jog s
Function:
Enter the quick–stop decel time from the
synchronous motor speed to 0 RPM. Ensure that
no resulting overvoltage occurs in the inverter
due to regenerative operation of the motor
required to achieve the given decel time. Ensure
also that the generated current required to
achieve the given decel time does not exceed
the current limit (set in parameter F-43 Current
Limit). Quick stop is activated with a signal on a
selected digital input, or via the serial communi-
cation port.
C-24 Quick Stop Ramp Type
Select the ramp type, depending on requirements for
acceleration and deceleration. A linear ramp will give constant
, which is
JOG
acceleration during ramping. An S-ramp will give non-linear
acceleration, compensating for jerk in the application.
Option:
[0]
*
[1]
[2]
C-25 Quick Stop S-ramp Ratio at Decel. Start
Enter the proportion of the total ramp-down time
(parameter C-23 Quick Stop Decel Time) where the deceleration
torque increases. The larger the percentage value, the greater the
jerk compensation achieved, and thus the lower the torque jerks
in the application.
Range:
50 %
*
C-26 Quick Stop S-ramp Ratio at Decel. End
Enter the proportion of the total ramp-down time
(parameter C-23 Quick Stop Decel Time) where the deceleration
torque decreases. The larger the percentage value, the greater
the jerk compensation achieved, and thus the lower the torque
jerks in the application.
Range:
50 %
*
C-29 Ramp Lowpass Filter Time
Use this parameter to set how the smoothly the speed changes.
Range:
1 ms
*
Parameters to configure Frequency Settings 2 and 3.
C-30 Frequency Command 2
Option:
[0] No function
[1] Analog Input 53
[2] Analog Input 54
[7] Frequency input 29
[8] Frequency input 33
[11] Local bus reference
[20] Digital Potenti-
*
ometer
[21] Analog input
X30/11
02/2016 All rights reserved.
Function:
Linear
S-ramp Const Jerk
S-ramp Const Time
Function:
[1 - 99 %]
Function:
[1 - 99 %]
Function:
[1 - 200 ms]
Function:
Select the reference input to be used
nd
for the 2 reference signal.
Parameter F-01 Frequency Setting 1,
parameter C-30 Frequency Command
2, and parameter C-34 Frequency
Command 3 define up to 3 different
reference signals. The sum of these
reference signals defines the actual
reference.
DET-618D