Parameter and variable descriptions 6-9 – Rockwell Automation 1557 MEDIUM VOLTAGE AC DRIVE User Manual
Page 65
PARAMETER AND VARIABLE DESCRIPTIONS
6-9
1557-UM050F-EN-P – June 2013
Skip Speed Band 1-4 [Skip spd band 1-4]
Linear numbers:
53-56
Minimum value:
0.0 Hz
Maximum value:
2.0 Hz
Default value:
0.0 Hz
These four parameters specify the width of the skip speed zones.
5 Speed Ramp Parameters
Acceleration Time 1 [Accel time 1]
Linear number:
65
Minimum value:
0 sec
Maximum value:
999 sec
Default value:
5 sec
This parameter specifies the time for the speed reference to increase from zero to Ramp Speed 1.
Acceleration Time 2 [Accel time 2]
Linear number:
66
Minimum value:
0 sec
Maximum value:
999 sec
Default value:
3 sec
This parameter specifies the time for the speed reference to increase from Ramp Speed 1 to Ramp Speed 2.
Acceleration Time 3 [Accel time 3]
Linear number:
67
Minimum value:
0 sec
Maximum value:
999 sec
Default value:
14 sec
This parameter specifies the time for the speed reference to increase from Ramp Speed 2 to Ramp Speed 3.
Acceleration Time 4 [Accel time 4]
Linear number:
68
Minimum value:
0 sec
Maximum value:
999 sec
Default value:
3 sec
This parameter specifies the time for the speed reference to increase from Ramp Speed 3 to Ramp Speed 4.
Deceleration Time 1 [Decel time 1]
Linear number:
69
Minimum value:
0 sec
Maximum value:
999 sec
Default value:
3 sec
This parameter specifies the time for the speed reference to decrease from Ramp Speed 1 to zero.
Deceleration Time 2 [Decel time 2]
Linear number:
70
Minimum value:
0 sec
Maximum value:
999 sec
Default value:
3 sec
This parameter specifies the time for the speed reference to decrease from Ramp Speed 2 to Ramp Speed 1.
Deceleration Time 3 [Decel time 3]
Linear number:
71
Minimum value:
0 sec
Maximum value:
999 sec
Default value:
14 sec
This parameter specifies the time for the speed reference to decrease from Ramp Speed 3 to Ramp Speed 2.