Mitsubishi Electric FR-A700 Series, Техническое руководство

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