Mitsubishi Electronics FR-A700 Manual De Usuario
285
Frequency/torque setting by analog
input (terminal 1, 2, 4)
4
4.21 Frequency/torque setting by analog input (terminal 1, 2, 4)
4.21.1 Function assignment of analog input terminal (Pr. 858, Pr. 868)
⋅ For the terminal 1 and terminal 4 used for analog input, frequency (speed) command, magnetic flux command,
torque command, etc. can be selected.
Functions change according to the control mode as in the table below.
Terminal 1 function according to control
Terminal 4 function according to control
⎯
:No function
* This setting is valid under vector control.
Purpose
Parameter that must be Set
Refer to Page
Function assignment of analog input
terminal
Terminal 1 and terminal 4 function
assignment
Pr. 858, Pr. 868
Selection of voltage/current input
(terminal 1, 2, 4) Perform forward/
reverse rotation by analog input
Analog input selection
Pr. 73, Pr. 267
Adjust the main speed by analog
auxiliary input
Analog auxiliary input and
compensation (added
compensation and override
function)
Pr. 73, Pr. 242, Pr. 243,
Pr. 252, Pr. 253
Noise elimination at the analog input
Input filter
Pr. 74, Pr. 822, Pr. 826,
Pr. 832, Pr. 836, Pr. 849
Adjustment (calibration) of analog
input frequency and voltage (current)
Bias and gain of frequency
setting voltage (current)
Pr. 125, Pr. 126, Pr. 241,
C2 to C7 (Pr. 902 to Pr. 905)
C12 to C15 (Pr. 917 to Pr. 918)
Adjustment (calibration) of analog
input torque and voltage (current)
Bias and gain of torque setting
voltage (current)
Pr. 241,
C16 to C19 (Pr. 919 to Pr. 920),
C38 to C41 (Pr. 932 to Pr. 933)
Function assignment of terminal 1 and terminal 4 of analog input can be selected and changed by parameter.
Parameter
Number
Name
Initial Value
Setting Range
Description
858
Terminal 4 function assignment
0
0, 1, 4, 9999
Select the terminal 4 function.
(Refer to the following list)
868
Terminal 1 function assignment
0
0 to 6, 9999
Select the terminal 1 function.
(Refer to the following list)
Pr. 868
Setting
V/F Control,
Advanced Magnetic
Flux Vector Control
Real Sensorless Vector Control, Vector Control
Vector Control
Speed control
Torque control
Position control
0
(Initial value)
Frequency setting auxiliary
Speed setting auxiliary
Speed limit auxiliary
⎯
1
⎯
Magnetic flux command *
Magnetic flux command *
Magnetic flux command
2
⎯
Regenerative torque limit
(Pr. 810 = 1)
⎯
Regenerative torque
limit (Pr. 810 = 1)
3
⎯
⎯
Torque command
(Pr. 804 = 0)
⎯
4
Stall prevention operation
level input
(Pr. 810 = 1)
Torque limit (Pr. 810 = 1)
Torque command
(Pr. 804 = 0)
Torque limit (Pr. 810 = 1)
5
⎯
⎯
Forward/reverse rotation
speed limit (Pr. 807 = 2)
⎯
6
⎯
Torque bias input
(Pr. 840 = 1, 2, 3) *
⎯
⎯
9999
⎯
⎯
⎯
⎯
Pr. 858
Setting
V/F Control,
Advanced Magnetic Flux
Vector Control
Real Sensorless Vector Control, Vector Control
Vector Control
Speed control
Torque control
Position control
0
(Initial value)
Frequency command
(AU signal-ON)
Speed command
(AU signal-ON)
Speed limit
(AU signal-ON)
⎯
1
⎯
Magnetic flux command *
Magnetic flux command *
Magnetic flux command
4
Stall prevention operation
level input
(Pr. 810 = 1)
Torque limit (Pr. 810 = 1)
⎯
Torque limit (Pr. 810 = 1)
9999
⎯
⎯
⎯
⎯