P3.2.6 I/O A START/STOP LOGIC (ID 300)
Use this parameter to control the start and stop of the drive with the digital signals.
The selections can include the word 'edge' to help you prevent an accidental start.
An accidental start can occur, for example, in these conditions
•
When you connect the power.
•
When the power is connected again after a power cut.
•
After you reset a fault.
•
After Run Enable stops the drive.
•
When you change the control place to I/O control.
Before you can start the motor, you must open the Start/Stop contact.
In all the examples of the next pages, the stop mode is coasting. CS = Control signal.
Selection
number
Selection name Description
0
CS1 = Forward
CS2 = Backward
The functions activate when the contacts are closed.
t
Output
frequency
FWD
REV
Ctrl signal 2
Ctrl signal 1
Run enable
Set frequency
Set frequency
0 Hz
Keypad stop
button
Keypad start
button
1 2 3 4 5 6 7 8 9 10 11 12 13
Fig. 43: I/O A Start/stop logic = 0
1. Control signal (CS) 1 activates and
causes the output frequency to increase.
The motor operates forward.
2. CS2 activates, but it does not have an
effect on the output frequency, because
the direction that is set first has the
highest priority.
PARAMETER DESCRIPTIONS VACON · 233
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