Hitachi SH1 Series - Page 89

4-46
Chapter 4
For parameter configuration
[HC101] to [HC115]
Automatic torque boost adjustment
Code/Name
Range (unit)
Initial
value
HC101 Automatic torque boost
voltage compensation gain, 1st-motor
0 to 255(%)
100
HC102 Automatic torque boost slip
compensation gain, 1st-motor
0 to 255(%)
100
・These parameters are adjusted when the automatic
torque boost control function is selected in [AA121].
For more information, please contact your supplier
or local Hitachi inverter sales office.
Vector control start adjustment
Code/Name
Range (unit)
Initial value
HC110 Zero speed range limit,
1st-motor(IM-0Hz-SLV)
0 to 100(%)
80
HC111 Boost value at start,
1st-motor (IM-SLV,IM-CLV)
0 to 50(%)
0
HC112 Boost value at start,
1st-motor (IM-0Hz-SLV)
0 to 50(%)
10
・When [AA121] is sensorless vector control or 0Hz-range
sensorless vector control, start boost is possible.
Secondary resistor compensation function
Code/Name
Range (unit)
Initial
value
HC113 Secondary resistance
(R2) correction, 1st-motor
00(Disable)/
01(Enable)
00
・When the vector control (with encoder/ sensorless/0Hz)
is being used and the temperature of the motor can be
sensed, the inverter is capable of reducing the speed
variations due to temperature changes.
・If use this function, use a thermistor PB-41E from
SHIBAURA ELECTRONICS CO., LTD.
And also, it is necessary to set [Cb-40] to 02 (NTC).
Reverse run protection function
Code/Name
Range (unit)
Initial
value
HC114 Direction reversal
protection, 1st-motor
00(Disable)/
01(Enable)
00
・This function is to prevent the change of direction of the
output in a low frequency range for vector control such
as (SLV/0Hz-SLV/CLV).
Torque reference value conversion method
Code/Name
Range (unit)
Initial
value
HC115 Torque conversion
method selection, 1st-motor *1)
00(Torque)/
01(Current)
00
*1) [HC115]/[HC215] are parameters added to Ver2.02 or
later.
• Select the 100% reference value of the torque related
setting parameter. (Setting 01 is the same method as
the SJ700 series.)
For more information, please contact your supplier
or local Hitachi inverter sales office.
[HC120] to [HC242]
Torque reference value conversion method
Code/Name
Range (unit)
Initial
value
HC120 Torque current reference filter
time constant, 1st-motor
0 to 100(ms)
2
HC121 Speed feedforward
compensation gain, 1st-motor
0 to 1000(%)
0
HC137 Flux settling level, 1st-motor *2)
0.0 to 100.0(%)
80.0
HC140 Forcing level, 1st-motor *2)
0 to 1000(%)
100
HC141 Modulation threshold 1,
1st-motor *2)
0 to 133(%)
115
HC142 Modulation threshold 2,
1st-motor *2)
0 to 133(%)
115
・[HC120] to [HC142] are effective when the control mode is
sensorless vector control(IM), Zero-Hz-range sensorless vector
control (IM) or Vector control with encoder (IM).
・[HC120] sets a filter for torque command.
・[HC121] adjusts the compensation of feedforward control.
・[HC137] adjusts the magnetic flux establishment level at start
up. If this is set to a small, the waiting time until acceleration
starts can be shortened, but the startup operation may become
unstable.
・[HC140] adjusts the output current level during pre-excitation.
The basis current value is as follows depending on the control
mode.
08:Sensorless vector control (IM)
09:Vector control with encoder(IM)
[Hb116] Async. Motor
constant I0
10:Zero-Hz-range sensorless vector
control
[HC110] Zero speed range
limit (IM -0Hz-SLV)
・[HC141]/[HC142] adjust the upper limit of the inverter output
voltage level. By increasing these parameters the output
current may be reduced, and the operation may become
unstable.
Be sure to set the same value for [HC141] and [HC142].
2nd motor When Intelligent Input terminal 024[SET] is enabled.
Code/Name
Range
(unit)
Initial
value
HC201 Automatic torque boost voltage
compensation gain, 2nd-motor
Same as HC101
HC202 Automatic torque boost slip
compensation gain, 2nd-motor
Same as HC102
HC210 Zero speed range limit,
2nd-motor(IM-0Hz-SLV)
Same as HC110
HC211 Boost value at start,
2nd-motor(IM-SLV,IM-CLV)
Same as HC111
HC212 Boost value at start,
2nd-motor(IM-0Hz-SLV)
Same as HC112
HC213 Secondary resistor (R2) compensation
enable, 2nd-motor
Same as HC113
HC214 Direction reversal protection,
2nd-motor
Same as HC114
HC215 Torque conversion method selection,
2nd-motor
Same as HC115
HC220 Torque current reference filter time
constant, 2nd-motor
Same as HC120
HC221 Speed feedforward compensation gain,
2nd-motor
Same as HC121
HC237 Flux settling level, 2nd-motor *2)
Same as HC137
HC240 Forcing level, 2nd-motor *2)
Same as HC140
HC242 Modulation threshold 2, 2nd-motor *2)
Same as HC142
*2)[HC137]/[HC237],[HC140]/[HC240],[HC141]/[HC241],
[HC142]/[HC242] are parameters added to Ver2.03 or later.