Load Pattern Selection - Mitsubishi Electric FR-A820-00046 Instruction Manual

(G) Control parameters
Parameters referred to
Pr. 14
Pr. 29
Pr. 71
Pr. 83
Pr. 84
Pr. 178 to Pr. 189
5.16.3

Load pattern selection

● Optimal output characteristics (V/F characteristics) for application or load characteristics can be
selected.
● Under Advanced magnetic flux vector control or Real sensorless vector control, the excitation
current scaling factor in the low-speed range can be adjusted.
Pr.
14
G003
85
G201
86
G202
617
G080
5 - 692
Load pattern selection
Acceleration/deceleration pattern selection
Applied motor
Rated motor voltage
Rated motor frequency
(input terminal function selection)
V/F V/F V/F
Initial
Name
value
Load pattern
0
selection
Excitation current
9999
break point
Excitation current low
9999
speed scaling factor
Reverse rotation
excitation current
9999
low-speed scaling
factor
Setting
Description
range
0
1
2
3
Excitation current
low-speed scaling
factor: Pr. 86
4
5
Forward rotation excitation current low-speed scaling factor:
Pr. 86
12
Reverse rotation excitation current low-speed scaling factor:
Pr. 617
Forward rotation excitation current low-speed scaling factor:
Pr. 617
13
Reverse rotation excitation current low-speed scaling factor:
Pr. 86
Forward rotation excitation current low-speed scaling factor:
Pr. 86
14
Reverse rotation excitation current low-speed scaling factor:
Pr. 617 (X17 signal OFF), Pr. 86 (X17 signal ON)
Forward rotation excitation current low-speed scaling factor:
Pr. 617 (X17 signal OFF), Pr. 86 (X17 signal ON)
15
Reverse rotation excitation current low-speed scaling factor:
Pr. 86
0 to 400 Hz Set the frequency at which increased excitation is started.
SF-PR/SF-HR/SF-HRCA motor: The predetermined frequency is
applied.
9999
Motor other than the above: 10 Hz is applied.
0 to 300% Set an excitation current scaling factor at 0 Hz.
SF-PR/SF-HR/SF-HRCA motor: The predetermined scaling factor is
applied.
9999
Motor other than the above: 130% is applied.
Set an excitation current scaling factor when different excitation
0 to 300%
current scaling factors are used for forward and reverse rotation.
SF-PR/SF-HR/SF-HRCA motor: The predetermined scaling factor is
applied.
9999
Motor other than the above: 130% is applied.
Parameters
=> page 5-692
=> page 5-248
=> page 5-451
=> page 5-72
=> page 5-72
=> page 5-439
For constant-torque load
For variable-torque load
For constant-torque lift
(boost at reverse rotation 0%)
For constant-torque lift
(boost at forward rotation 0%)
RT signal ON for constant-torque load
RT signal OFF for constant-torque lift,
boost at reverse rotation
0%
RT signal ON for constant-torque load
RT signal OFF for constant-torque lift,
boost at forward rotation
0%