Hitachi SJ7002 Series Instruction Manual page 100

Func.
Code
A041 Torque boost method selection
A241 Torque boost method selection, 2nd
motor
A042 Manual torque boost value
Can boost starting torque between 0 and 20% above
normal V/f curve
A242 Manual torque boost value, 2nd motor
Can boost starting torque between 0 and 20% above
normal V/f curve
A342 Manual torque boost value, 3rd motor
Can boost starting torque between 0 and 20% above
normal V/f curve
A043 Manual torque boost frequency adjustment
Sets the frequency of the V/f breakpoint A in graph (top of
previous page) for torque boost
A243 Manual torque boost frequency adjustment, 2nd motor
Sets the frequency of the V/f breakpoint A in graph (top of
previous page) for torque boost
A343 Manual torque boost frequency adjustment, 3rd motor
Sets the frequency of the V/f breakpoint A in graph (top of
previous page) for torque boost
A044 V/f characteristic curve selection,
1st motor
Torque control modes
A244 V/f characteristic curve selection,
2nd motor
Torque control modes
Clearwater Tech - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.clrwtr.com - Email: info@clrwtr.com
Vector Control with Encoder Feedback – This method of torque control uses an encoder as a
motor shaft position sensor. Accurate position feedback allows the inverter to close the velocity
loop and provide very accurate speed control, even with variations in motor loads. To use
encoder feedback you will need to add an SJ–FB Encoder Feedback Card in the inverter's
expansion bay. Please refer to
manual for details. The following table shows the methods of torque control selection.
Name/
Description
SRW
MANUAL
AUTO
MANUAL
AUTO
VC
VP
FREE-V/F
SLV
0SLV
V2
VC
VP
FREE-V/F
SLV
0SLV
"Expansion Cards" on page 5–5
Keypad
Range and Settings
OPE
00
Manual torque boost
0 1
Automatic torque boost
00
Manual torque boost
0 1
Automatic torque boost
0.0 to 20.0 (%)
0.0 to 20.0 (%)
0.0 to 20.0 (%)
0.0 to 50.0 (%)
0.0 to 50.0 (%)
0.0 to 50.0 (%)
00
V/f constant torque
0 1
V/f variable torque
02
V/f free-setting curve
03
Sensorless vector SLV
04
0Hz domain SLV
05
Vector control with encoder
feedback
00
V/f constant torque
0 1
V/f variable torque
02
V/f free-setting curve
03
Sensorless vector SLV
04
0Hz domain SLV
SJ700 Inverter
2
in this manual or the SJ–FB
Defaults
Run
Mode
FEF2 FUF2 FF2
Edit
FE2 FU2 F2
Lo Hi
(EU) (USA) (Jpn)
✘ ✘
00 00 00
✘ ✘
00 00 00
✔ ✔
1.0 1.0 1.0
✔ ✔
1.0 1.0 1.0
✔ ✔
1.0 1.0 1.0
✔ ✔
5.0 5.0 5.0
✔ ✔
5.0 5.0 5.0
✔ ✔
5.0 5.0 5.0
✘ ✘
00 00 00
✘ ✘
00 00 00
3–17