Fuji Electric FVR-C11S-7EN Series - Pid Control

5-22 5 Selectin
g
Function
FVR-C11S-EN
5
Chan
g
e durin
g
operation: X = impossible, = possible (enabled b
y
usin
g
), = possible (enabled b
y
usin
g
)
PID control
In PID control, an output frequenc
y
is adjusted to
a feedback value.
Use to set a frequenc
y
and to
make the feedback value and the reference value
equal.
Option selection
(RS485 communication)
: Option inactive
: Option active
Alwa
y
s set when the optional RS485 se-
rial communication unit is not used. If is
set, Er 8 occurs.
For explanations of "o01" to "o11", refer to
the instruction manual that comes with the
optional RS485 serial communication unit.
F01 H21
Kp M
P
(1
1
sTi
s Td)
⋅ +
-
+
⋅
+ ⋅
FVR-C11S-EN
Deviation is positive and
frequenc
y
decreases.
Reference
frequenc
y
PID arithmetic unit
Switchin
g
between FWD
and REV
operation
Inverter
output
Deviation
Feedback value
(sensor)
Kp : P-
g
ain
Td : Derivative time
Ti : Inte
g
ral time
Forward
operation
Reverse
operation
Deviation
Output
frequenc
y
Deviation
Output
frequenc
y
Deviation is positive and
frequenc
y
increases.
o00
Factor
y
settin
g
Chan
g
e durin
g
operation
0
0
1
0
1