Multispeed Application - WEG CFW700 Serie Manual Del Usuario

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4.2.3 Multispeed Application

The CFW700 has the MULTISPEED application that allows the speed reference to be set by
the values defined at parameters P1011 to P1018 through the logical combination of digital
inputs DI4, DI5 and DI6, having the limit of eight pre-programmed speed references. It brings
advantages such as stability of the pre-programmed fixed references and electrical noise
immunity (isolated digital inputs DIX).
The speed reference selection is done by the logical combination of the digital inputs DI4, DI5
and DI6. Their respective parameters (P0266, P0267 and P0268) must be set to "Function
1 of the Application (Multispeed). If any digital input us set to "Function 1 of the Application",
the following alarm message will be displayed "A750: Set a DI for Multispeed" and the speed
reference of the inverter will not be enabled.
Output
speed
P1011
DI6
DI5
DI4
Figure 4.6: Operation of the Multispeed Application
For the operation of the multispeed application, it is necessary to set the parameter P0221 or
P0222 to 7 = SoftPLC.
Definition:
The Function 1 of the Application in the parameters P0266 to P0268 represents the Multispeed
command.
The speed reference selection works according to the table below:
DI6
0 V
0 V
0 V
0 V
24 V
24 V
24 V
24 V
If any digital input is selected for Multispeed, it should be considered as 0 V.
The parameters P1011 to P1018 define the speed reference value when the Multispeed is
operating.
Keypad (HMI) and Basic Programming
P1017
P1016
P1015
P1014
P1013
P1012
Table 4.1: Multispeed Reference
DI5
DI4
0 V
0 V
0 V
24 V
24 V
0 V
24 V
24 V
0 V
0 V
0 V
24 V
24 V
0 V
24 V
24 V
- English -
P1018
Accelerating ramp
Time
24 V
0 V (open)
24 V
0 V (open)
24 V
0 V (open)
Speed Reference
P1011
P1012
P1013
P1014
P1015
P1016
P1017
P1018
CFW700 | 39

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