Mitsubishi Electric FR-A700 Technical Manual page 369

Initial
[Pr.] Name
Value
Output
575 interruption 1s
detection time
Output
576 interruption 0Hz
detection level
Output
577 interruption 1000%
cancel level
*1 [Pr. 129, 130, 133, 134] can be set during operation. These can also be set independently of the operation mode.
(1) PID control basic configuration
[Pr. 128 = 10, 11] Deviation value signal input
Set point
* Set [Pr. 868 Terminal 1 function assignment = 0]. PID control is invalid when [Pr. 868
[Pr. 128 = 20, 21] Measured value input
[Pr. 133] or
*1
terminal 2
Set point
0 to 5VDC
(0 to 10V), (4 to 20mA
*1 Note that terminal 1 input is added to the set point of terminal 2 input. (Only in
*2 Set [Pr. 858 Terminal 4 function assignment = 0]. PID control is invalid when [Pr. 858
Setting
Range
If the output frequency after PID operation remains lower than the
0 to 3600s [Pr. 576] setting for longer than the time set in [Pr. 575], the inverter
stops operation.
9999 Without output interruption function
Set the frequency at which the output suspension processing is
0 to 400Hz
performed.
Level at which the PID output interruption function is canceled
900 to 1100%
Set [Pr. 577] -1000%.
A700 F700
Inverter circuit
PID operation
Deviation signal
+ -
*
Terminal 1
1+
Kp
0 to 10VDC
(0 to 5V)
Kp: Proportionality constant Ti: Integral time S: Operator Td: Differential time
common
Inverter circuit
+ -
*2
Terminal 4
)
A700 F700
Feedback signal (measured value)
Kp: Proportionality constant Ti: Integral time S: Operator Td: Differential time
Description
Motor
Manipulated
variable
1
+Td S
Ti S
Manipulated
PID operation
variable
1
Kp 1+ +Td S
Ti S
4 to 20mADC (0 to 5V, 0 to 10V)
403
PARAMETER
Available
Inverters
A700
E700
F700
—
IM
0].
Motor
IM
)
A700 F700
0]. (Only in )
A700
D700
2