WEG CFW500 V1.8X, Programming Manual, Page: 125 / 172

Digital and Analog Inputs and Outputs
CFW500 | 12-19
12
d) FORWARD RUN/REVERSE RUN
This command is the combination of Run/Stop with Direction of Rotation.
DIx - Forward
DIx - Reverse
Time
Time
Time
Inactive
Inactive
Clockwise
Counterclockwise
Active
Active
Output
frequency
Figure 12.9: Example of the Forward Run/Reverse Run function
e) THREE-WIRE 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.
DIx - Start
DIx - Stop
Time
Time
Time
Inactive
Inactive
Active
Active
Output
frequency
Figure 12.10: Example of the three-wire Start / Stop function
NOTE!
All the digital inputs set for General Enable, Quick Stop, Forward Run/Reverse Run and Start/
Stop must be in the
“Active” state so that the inverter is able to enable the motor spin.