Delta VFD037B43A User Manual

VFD-B Series
DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
5-74
 The terminals of Multi-function Output decides the number of auxiliary motors, the
maximum is three.
 The start/stop frequency of the auxiliary motor must have a minimum of 5Hz bandwidth.
 The start/stop delay time can prevent the AC drive from overloaded during
starting/stopping.
 These parameters determine the starting sequence of auxiliary motors.
The auxiliary motor started first will be stopped first.
Example: Start sequence: motor 1 -> motor 2 -> motor 3
Stop sequence: motor 1 -> motor 2 -> motor 3
 The flowchart of auxiliary motor start/stop sequence:
Pr.11-01 Start-up frequency = 50 Hz
Pr.11-02 Stop frequency = 20 Hz
Pr.11-03 Time delay before start up = 10 sec.
Pr.11-04 Time delay before stopping = 5 sec.
H
50
11-03
H 20
11-04
Output frequency of
master motor
Output Freq.
Output Freq.
NO NO
NO
NO
Start delay timer
of auxiliary
motor begins
Stop delay timer
of auxiliary
motor begins
Counter
10 sec
Counter 5 sec
Start the
auxiliary motor
in order
Stop the
auxiliary motor
in order
YES
YES
YES
YES
11 - 05
Sleep/Wake Up Detection Time
Factory Setting: 0.0
Settings 0.0 to 6550.0 sec Unit: 0.1
11 - 06
Sleep Frequency
Factory Setting: 0.00
Settings 0.00 to Fmax Unit: 0.01Hz

Delta VFD037B43A Specifications

General

Brand	Delta
Model	VFD037B43A
Category	DC Drives
Language	English