Search Of Zero Of The Encoder - WEG CFW-11 Programming Manual

Functions Common to All the Control Modes

12.10 SEARCH OF ZERO OF THE ENCODER

The zero search function attempts to synchronize the minimum counting or the maximum counting visualized in
the parameter P0039. Accountant of the Pulses of Encoder, with the pulse of zero of the encoder.
The function is activated by setting P0191 =1. It will just be executed once, when happening the first zero pulse
after the activation of the function.
Among the actions accomplished are: the parameter P0039 is reduced to zero (or fitting with the value of
4xP0405), and the parameter P0192 starts to indicate P0192= Completed.
P0191 – Encoder Zero Search
Adjustable
Range:
Properties:
Access groups
via HMI:
Description:
On the inverter initialization, the parameter P0191 starts on zero. By setting to one, it activates the operation of the
zero search function, while the parameter P0192 stays on zero (Inactive).
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Motor speed
P0305
2 x P0306
P0304
P0303
Figure 12.13 - "Skip Speed" actuation curve
0 = Off
1 = On
V/f, VVW and Vector
00 ALL PARAMETERS
2 x P0306
Speed Reference
Factory 0
Setting: