WEG CFW300 V1.3X, Programming Manual

Page: 106 / 157

Digital and Analog Inputs and Outputs
12-14 | CFW300
12
P271 - Digital Input Signal
Adjustable
Range:
0 = All DIx NPN
1 = (DI1...DI4) - PNP
2 = (DI5...DI8) - PNP
3 = (DI1...DI8) - PNP Factory
Setting:
0
Properties: cfg
Description:
It configures the default for the digital input signal, that is, NPN and the digital input is activated with 0 V, PNP
and the digital input is activated with +24 V.
a) RUN/STOP
It enables or disables the motor rotation through the acceleration and deceleration ramp.
Acceleration
ramp Deceleration
ramp
Time
Time
Active
Inactive DIx
Output
frequency
Figure 12.5:
Example of the Run/Stop function
b) GENERAL ENABLE
It enables the motor rotation through the acceleration ramp and disables it by cutting off the pulses immediately;
the motor stops by inertia.
Acceleration ramp Motor runs free
Time
Time
Active
Inactive DIx
Output
frequency
Figure 12.6: Example of the General Enable function
c) QUICK STOP
When inactive, it disables the inverter by the emergency deceleration (P107).
Acceleration
ramp
P107 -
Deceleration
ramp
Time
Time
Active
Inactive DIx
Output
frequency
Figure 12.7: Example of the Quick Stop function