ABB DriveIT ACH550-01 User Manual page 300

Code Description
Note! Low Frequency 1 value must be between:
• (2007
8113 LOW FREQ 2
Sets the frequency limit used to stop the second auxiliary motor.
• See 8112
The second auxiliary motor stops if:
• Two auxiliary motors are running.
• ACH550 output frequency drops below the limit: 8113 - 1.
• Output frequency stays below the relaxed limit (8113 + 1 Hz) for
at least the time: 8116
8114 LOW FREQ 3
Sets the frequency limit used to stop the third auxiliary motor.
• See 8112
The third auxiliary motor stops if:
• Three auxiliary motors are running.
• ACH550 output frequency drops below the limit: 8114 - 1.
• Output frequency stays below the relaxed limit (8114 + 1 Hz) for
at least the time: 8116
8115 AUX MOT START D
Sets the Start Delay for the auxiliary motors.
• The output frequency must remain above the start frequency limit
(parameter 8109, 8110, or 8111) for this time period before the
auxiliary motor starts.
• See 8109
operation.
8116 AUX MOT STOP D.
Sets the Stop Delay for the auxiliary motors.
• The output frequency must remain below the low frequency limit
(parameter 8112, 8113, or 8114) for this time period before the
auxiliary motor stops.
• See 8112
296
) +1 and 8109
MINIMUM FREQ
1 for a complete description of the operation.
LOW FREQ
AUX MOT STOP D
1 for a complete description of the operation.
LOW FREQ
AUX MOT STOP D
1 for a complete description of the
START FREQ
1 for a complete description of the operation.
LOW FREQ
ACH550 User's Manual
Range
START FREQ
0.0...500 Hz
.
0.0...500 Hz
.
0.0...500 Hz
0.0...500 Hz
Parameter listing and descriptions
1