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Chapter 4
[bC210] to [bC225]
(Example) When [bC111]=01, Inverter rated current:64A，[bC110]=64(A),
Base frequency[Hb103]=60Hz, Output frequency=2.5Hz
Reduction
scale
X1.0
X0.9
X0.8
0
2.5
5
Trip time(s)
60
3.0
0
62.8
86.4
(98.1%)
(135%)
・In case of output frequency = 2.5Hz, the reduction scale is x0.9,
then, the inverter will trip when the output current of
135%(=150%×0.9) flows continuously within 60s according to
the curve.
(Example) When [bC111] = 02, and Output frequency = [bC122]
Current
output (A)
[bC125]
[bC123]
[bC125]
0
[bC120]
[bC124]
[bC122]
Trip time (s)
60
3.0
0
(x) (y)
(x):[bC123]×109% (y):[bC123]×150% (z):[bC123]×200%
2nd motor When Intelligent Input terminal 024[SET] is enabled.
Code/Name
bC210 Electronic thermal level setting,
2nd-motor
bC211 Electronic thermal characteristic
selection, 2nd-motor
bC212 Electronic thermal decrease function
selection, 2nd-motor
bC213 Electronic thermal decreasing time,
2nd-motor
bC220 Free electronic thermal frequency-1,
2nd-motor
bC221 Free electronic thermal current-1,
2nd-motor
bC222 Free electronic thermal frequency-2,
2nd-motor
bC223 Free electronic thermal current-2,
2nd-motor
bC224 Free electronic thermal frequency-3,
2nd-motor
bC225 Free electronic thermal current-3,
2nd-motor
Inverter output
60
frequency (Hz)
Motor current (A)
(Ratio to the inverter
115.2
rated current)
(180%)
Maximum frequency (Hz)
[Hb105][Hd105]
Output current (A)
(z)
Range
Initial
(unit)
value
Same as bC110
Same as bC111
Same as bC112
Same as bC113
Same as bC120
Same as bC121
Same as bC122
Same as bC123
Same as bC124
Same as bC125
For parameter configuration
functional Safety terminal (STO)
Code/Name
bd-01
STO input display
*1)
selection
bd-02
STO input change
*1)
time
bd-03
Display selection
during STO input change
*1)
time
bd-04
Action selection
after STO input change
*1)
time
*1)These parameters are just about Safety function, not
suitable for LH1 series.
Contact to your supplier or local Hitachi distributor or
service station for more details.
4-30
[bd-01] to [bd-04]
*1)
Range (unit)
00(Warning(display))/
01(Warning(without display))/
02(Trip)
0.00 to 60.00(s)
00(Warning(display))/
01(Warning(without display))
00(Maintain current status)/
01(Disable)/
02(Trip)
Initial
value
00
1.00
00
00
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