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WEG CFW501 V1.8X User Manual

WEG CFW501 V1.8X
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Logical Command and Speed Reference
7-8 | CFW501
7
7.2 .1 Speed Reference Limits
Although the parameters to adjust the reference have a wide range of values (0 to 18000), the value applied to
the ramp is limited by P0133 and P0134. Therefore, the values in module out of this range will have no effect on
the reference.
P0133 – Minimum Speed Reference
Adjustable
Range:
0 to 18000 rpm Factory
Setting:
90 (75) rpm
Properties:
Access groups
via HMI:
BASIC
P0134 – Maximum Speed Reference
Adjustable
Range:
0 to 18000 rpm Factory
Setting:
1800
(1500) rpm
Properties:
Access groups
via HMI:
BASIC
Description:
Limits for the inverter speed reference. Those limits are applied to any reference source, even in the case of
13-bit speed reference.
7.2.2 Speed Reference Backup
P0120 – Speed Reference Backup
Adjustable
Range:
0 = Inactive
1 = Active
2 = Backup by P0121
Factory
Setting:
1
Description:
This parameter defines the operation of the speed reference backup function between the options active
(P0120 = 1), inactive (P0120 = 0) and by P0121 (P0120 = 2). This function determines the form of backup of
digital references and sources: HMI (P0121), Serial/USB (P0683) and SoftPLC according to Table 7.2: Options
of parameter P0120 on page 7-8.
Table 7.2: Options of parameter P0120
P0120 Reference Initial Values at the Enabling or Power-Up
0 Value of P0133
1 Last adjusted value
2 Value of P0121
If P0120 = Inactive, the inverter will not save the speed reference value when it is disabled. Thus, when the
inverter is enabled again, the speed reference value will become the speed minimum limit value (P0133).
If P0120 = Active, the value set in the reference is not lost when the inverter is disabled or powered down.
If P0120 = Backup by P0121, the reference Initial value is fixed by P0121 at the enabling or power-up of the
inverter.

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WEG CFW501 V1.8X Specifications

General IconGeneral
BrandWEG
ModelCFW501 V1.8X
CategoryInverter
LanguageEnglish

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