HVAC400X – APPLICATION MANUAL
95
EN2B-0417GE51 R0719
Suite: I/O START/STOP LOGIC 1
Selection number Selection name
Description
1
Forw-BACK
CS1 = Start impulse forward edge if CS2 is CLOSED.
CS2 = Stop impulse.
Fig. 13. I/O A Start/stop logic = 1
Legend
1.
Control signal (CS) 1 activates and causes the output
frequency to increase. The motor operates forward.
6.
CS1 activates and the motor accelerates (FWD) to the
set frequency because the Run enable signal was set to
CLOSED.
2.
CS2 becomes inactive and causes the frequency to go
to 0.
7.
The STOP button on the keypad is pushed, and the
frequency that is fed to the motor goes to 0. (This signal
only works if the value of P3.2.10 Keypad Stop Button is
Yes
or P3.2.3 Keypad Master Stop is
Enabled
.).
3.
CS1 activates and causes the output frequency to
increase again. The motor operates forward.
8.
CS1 activates and causes the output frequency to
increase again. The motor operates forward.
4.
The Run enable signal is set to OPEN, which causes
the frequency to go to 0. Configure the Run enable
signal with parameter P3.5.1.10.
9.
CS2 becomes inactive and causes the frequency to go
to 0.
5.
The start attempt with CS1 is not successful because
the Run enable signal is still OPEN.
A.
FWD.
F.
Run enable.
B.
REV.
G.
Ctrl signal 1.
C.
Output frequency.
H.
Ctrl signal 2.
D.
Set frequency.
I.
--
E.
Set frequency REV.
J.
Keypad stop button.
C
1
2
4
3
5 6
7
8
9
0 Hz
A
B
F
G
H
J
D
t
E