WEG CFW100 - Page 99

9
I/O
d) FORWARD/REVERSE COMMAND
This function is the combination of two DIS: one programmed for forward run and the other for reverse run
(Figure 9.9 on page 9-16).
Output
frequency
Forward
Reverse
Time
Time
Time
DIx - Forward
DIx - Reverse
Active
Active
Active
Active
Figure 9.9: Example of the Forward /Reverse command
e) START/STOP
This function tries to reproduce the activation of a three-wire direct start with retention contact, where a pulse
in the DIx-Start enables the motor spin while the Dlx-Stop is active (Figure 9.10 on page 9-16).
Output
frequency
Time
Time
Time
DIx - Start
DIx - Stop
Inactive
Active
Inactive
Active
Figure 9.10: Example of the Start/Stop
✓
NOTE!
All the digital inputs set for General Enable, Fast Stop, Forward Run/Reverse Run and Start/Stop
must be in the ”Active” state so that the inverter can enable the motor run.
f) DIRECTION OF ROTATION
If the DIx is Inactive, the Direction of Rotation is Forward, otherwise, the direction of rotation will be reverse
(Figure 9.11 on page 9-17).
9-16 | Micro Mini Drives