Hitachi SJ700D-004L Instruction Manual page 68

Chapter 3
- Note that there are diffrence of setting range and defaults between CT mode and VT mode.
- Note that when VT mode (b049=01) is selected, some data are overwritten by VT mode default (refer to below).
Function
Name
code
V/F characteristic curve
A044
selection, 1st motor
V/F characteristic curve
A244
selection, 2nd motor
DC braking force during
A054
deceleration
DC braking force for
A057
starting
DC braking carrier
A059
frequency setting
Operation mode
A085
selection
Overload restriction
b022
setting
Overload restriction
b025
setting (2)
Active frequency
matching, scan start b028
frequency
Torque limit (1)
(forward-driving in b041
4-quadrant mode)
Torque limit (2)
(reverse-regenerating b042
in 4-quadrant mode)
Torque limit (3)
(reverse-driving in b043
4-quadrant mode)
Torque limit (4)
(forward-regenerating b044
in 4-quadrant mode)
Note: < > indicate the setting range of 75 to 150kW
Note: W
hen CT mode (b049=00) is selected, A044/A244 are renewed to 00(VC).
Constant torque mode (CT)
Range
00 (VC), 01 (VP), 02 (free V/f),
03 (sensorless vector control),
04 (0Hz sensorless vector control),
05(vector with sensor)
00 (VC), 01 (VP), 02 (free V/f),
03 (sensorless vector control),
04 (0Hz sensorless vector control),
05(vector with sensor)
0. to 100.(%)
<0. to 80.(%)>
0. to 100.(%)
<0. to 80.(%)>
0.5 to 15.0(kHz)
<0.5 to 10.0(kHz)>
00 (normal operation),
01 (energy-saving operation)
02 (fuzzy operation)
0.20 to 2.00 x Rated current(A)
<0.20 to 1.80 x Rated current(A)>
0.20 to 2.00 x Rated current(A)
<0.20 to 1.80 x Rated current(A)>
0. to 200.(%)/ __no
<0. to 180.(%)/ __no>
3-23
Variable torque mode (VT)
default Range
00 (VC), 01 (VP), 02 (free V/f),
00 (VC)
03 (sensorless vector control),
00 (VC), 01 (VP), 02 (free V/f),
00 (VC)
03 (sensorless vector control),
0. to 70.(%)
0(%)
< 0. to 50.(%) >
0. to 70.(%)
0(%)
<0. to 50.(%)>
5.0(kHz) 0.5 to 12.0(kHz)
<3.0(kHz)> <0.5 to 8.0(kHz)>
00 (normal
00 (normal operation),
01 (energy-saving operation)
operation)
1.50 x Rated
0.20 to 1.50 x Rated current(A)
current (A)
Rated
0.20 to 1.50 x Rated current(A)
current (A)
150(%) 0. to 150.(%)/ __no
Operation
default
00 (VC)
00 (VC)
0(%)
0(%)
3.0(kHz)
00 (normal
operation)
1.20 x Rated
current(A)
Rated
current(A)
120(%)