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5.3 Description of Function Codes
5-216
Figure 5.3-16 Operation time chart under v/f control
Figure 5.3-17 Operation time chart under vector control with speed sensor
•
Set 0% to J95 (Brake-release torque) excluding brake-release at zero speed.
•
If releasing the brake at zero speed is needed under vector control with speed sensor, please use the
torque bias function.
•
After releasing the brake (BRKS ON), operating for a while, and then applying the brake (BRKS OFF)
to stop the motor, if it is required to release the brake again (BRKS ON), turn the inverter's run
command OFF and then ON.
•
The brake is not released during auto-tuning (stop mode).
■
Check brake “BRKE” (E01 toE05 data = 65)
If the status of the brake control signal BRKS fails to agree with the status of the brake check signal BRKE during
inverter operation, the inverter occurs alarm to stop with
er6
.
This signal is used as a feedback signal for the brake control signal BRKS. When the mechanical brake does not
operate, it causes the inverter to trip, applying the mechanical brake. The response delay time for BRKS and
BRKE can be adjusted with H180: Check-timer for brake operation.
(
Function code H180: Brake control signal (Check-timer for brake operation) range 0.00s to 10.00s
Stop frequency
F23: Starting frequency 1
Output frequency
Brake-release
frequency/speed
Starting frequency 1
(holding time)
Brake-apply frequency/speed
Stop frequency (holding time)
J68: Brake-release current
Output current
Run command
Brake control signal BRKS
Brake-release timer
Brake-apply timer
J68: Brake-release current
Reference / actual speed
J95:Brake-release torque=0%
Torque command
Brake control signal
BRKS
J70: Brake-release timer
J72: Brake-apply timer
Содержание FRENIC-Ace series
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Страница 506: ...8 2 Frequency Setting Section 8 2 8 2 Frequency Setting Section Figure 8 2 1 Frequency Setting Section Block Diagram...
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