HVAC400X – APPLICATION MANUAL
97
EN2B-0417GE51 R0719
Suite: I/O START/STOP LOGIC 3
Selection number Selection name
Description
3
Forw-BACK (edge)
CS1 = Start/stop forward.
CS2 = Start backwards if CS1 = CLOSED.
Fig. 15. E/S A Start/stop logic = 3
Legend
1.
Control signal (CS) 1 activates and causes the output
frequency to increase. The motor operates forward.
7.
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.
2.
CS2 activates and causes the direction to start to
change (FWD to REV).
8.
The Run enable signal is set to CLOSED, which causes
the frequency to increase to the set frequency because
CS1 is still active.
3.
CS2 becomes inactive, which causes the direction to
start to change (REV to FWD) because CS1 is still
active.
9.
The STOP button on the keypad is pushed and the
frequency that is fed to the motor goes to 0. (This signal
works only if P3.2.3 Keypad Master Stop is Enabled.).
4.
CS1 becomes inactive and the frequency goes to 0.
10.
The drive starts because the BACK/ RESET and
START buttons on the keypad were pushed.
5.
CS2 activates, but the motor does not start because
CS1 is inactive.
11.
The drive is stopped again using the STOP button on
the keypad.
6.
CS1 activates and causes the output frequency to
increase again. The motor operates forward because
CS2 is inactive.
12.
The attempt to start the drive using the START button is
unsuccessful because CS1 is inactive.
A.
FWD.
F.
Run enable.
B.
REV.
G.
Ctrl signal 1.
C.
Output frequency.
H.
Ctrl signal 2.
D.
Set frequency.
I.
Keypad start button.
E.
Set frequency REV
J.
Keypad stop button
1
2
4
3
5 6 7
8
9 10 11 12
C
0 Hz
A
B
F
G
H
J
D
t
E
I