Analog Input Compensation - Mitsubishi Electric FR-A820-00046 Instruction Manual

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Parameters
● Terminal 4 functions by control
Pr. 858
setting
0
(initial
value)
1
4
9999
⎯: No function
Tab. 5-153: Function of terminal 4 according to the control mode
This function is valid under vector control.
Invalid when Pr. 868 = "1"
Invalid when Pr. 868 = "4"
NOTE
When Pr. 868 = "1" (magnetic flux command) or "4" (stall prevention/torque limit), the terminal 4
function is enabled whether the AU terminal is turned ON/OFF.
Parameters referred to
Pr. 804
Pr. 807
Pr. 810
Pr. 840
5.12.3

Analog input compensation

Addition compensation or fixed ratio analog compensation (override) with terminal 2 set to auxiliary
input is applicable to the multi-speed operation or terminal 2/terminal 4 speed setting signal (main
speed).
Pr.
73
T000
242
T021
243
T041
252
T050
253
T051
FR-A800
V/F control
Advanced magnetic
flux vector control
Frequency command
(AU signal-ON)
Stall prevention operation
level input
Advanced magnetic flux vector control
Real sensorless vector control
Torque command source selection
Speed limit selection
Torque limit input method selection
Torque bias selection
Name
Analog input selection
Terminal 1 added compensation
amount (terminal 2)
Terminal 1 added compensation
amount (terminal 4)
Override bias
Override gain
(T) Multi-Function Input Terminal Parameters
Real sensorless vector control, vector control, PM sensorless vector control
Speed control
Torque control
Speed command
Speed limit
(AU signal-ON)
(AU signal-ON)
Magnetic flux command
Magnetic flux command
Torque limit
(Pr. 810 = 1)
Initial value
Setting range
0 to 3, 6, 7, 10 to 13,
16, 17
1
4, 5, 14, 15
100%
0 to 100%
75%
0 to 100%
50%
0 to 200%
150%
0 to 200%
Position control
Magnetic flux command
Torque limit
(Pr. 810 = 1)
=>
page 5-67
=>
page 5-56
=>
page 5-132
=>
page 5-136
=>
page 5-84
=>
page 5-113
Description
Addition compensation
Override compensation
Set the percentage of addition
compensation when terminal 2 is set
to the main speed.
Set the percentage of addition
compensation when terminal 4 is set
to the main speed.
Set the percentage of override
function bias side compensation.
Set the percentage of override
function gain side compensation.
5 - 395

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