Honeywell SmartVFD HVAC2 Applications Manual page 138

1 Control signal (CS) 1 actives causing the
output frequency to rise. The motor runs
forward.
2 If start forward signal [CS1] and start
reverse signal [CS2] are active
simultaneously, there is alarm 55 in LCD
panel when P13.23 FWD/REV conflict
supervision=1.
3 CS1 is inactivated the motor is still
stopped though CS2 is still active, and
alarm 55 should be disappeared in a while
time.
4 CS2 activates again causing the motor to
accelerate (REV) towards the set
frequency.
5 CS2 inactivates and the frequency fed to
the motor drops to 0.
6 CS1 activates and the motor accelerates
(FWD) towards the set frequency.
Table 49.
Explanations:
7 Run enable signal is set to FALSE, which
drops the frequency to 0.The run enable
signal is configured with par. 5.7.
8 CS1 activates and the motor accelerates
(FWD) towards the set frequency
because the Run enable signal has been
set to TRUE.
9 Keypad stop button is pressed and the
frequency fed to the motor drops to 0.(This
signal only works if Par.2.7 [Keypad stop
button] = 1)
10 CS1 is opened and closed again which
causes the motor to start.
11 CS1 inactivates and the frequency fed to the
motor drops to 0.
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