6 Basic Parameter Settings
6 - 52
High-function General-purpose Inverter RX2 Series User’s Manual
Parameter
(Ex.4) For output frequency of [bC122]
When the output frequency coincides with the free electronic thermal frequency-2, 1st-motor [bC122],
the electronic thermal time-limited characteristics are given in the lower part of Example 4.
In Example 4, a trip occurs in 60 seconds when an electric current of 150% of the free electronic ther-
mal current-2, 1st-motor [bC123] flows continuously.
Precautions for Correct Use
• When [bC121][bC123][bC125] are set as default (0.00) and [bC111] electronic thermal is set
as 02, E005 is generated.
• Set the free electronic thermal frequency in the order of [bC125], [bC123] and [bC121]. At
that time, set in the following manner: [bC125]≥[bC123]≥[bC121].
Item
Parameters
Data Description
Default
data
Free electronic ther-
mal frequency 1
[bC120] 0.00 to [bC122](Hz)
Frequency corresponding to free
electronic thermal current 1
0.00
Free electronic ther-
mal current 1
[bC121]
Inverter rated current
x 0 to 300% (A)
*1
*1. The inverter rated current is switched by the load type selection [Ub-03].
Current corresponding to free elec-
tronic thermal frequency 1
0.0
Free electronic ther-
mal frequency 2
[bC122]
[bC120] to
[bC124](Hz)
Frequency corresponding to free
electronic thermal current 2
0.00
Free electronic ther-
mal current 2
[bC123]
Inverter rated current
x 0 to 300% (A)
*1
Current corresponding to free elec-
tronic thermal frequency 2
0.0
Free electronic ther-
mal frequency 3
[bC124] [bC122] to 590.00(Hz)
Frequency corresponding to free
electronic thermal current 3
0.00
Free electronic ther-
mal current 3
[bC125]
Inverter rated current
x 0 to 300% (A)
*1
Current corresponding to free elec-
tronic thermal frequency 3
0.0
[bC12 5]
[bC123]
[bC121]
[bC120]
[bC122]
[bC124]
0
Output current (A)
Max. frequency (Hz) For IM, [Hb105]
For SM (PMM), [Hd105]
Trip time (s)
Motor current (A)
(x): [bC123]×110%
(y): [bC123]×150%
(z): [bC123]×200%
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