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Pid Control (pr. 128 To Pr. 134) - Mitsubishi Electric FR-E500 Instruction Manual

Fr-e500 series transistorized inverter.
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4.2.37 PID control (Pr. 128 to Pr. 134)

Pr. 128 "PID action selection"
Pr. 129 "PID proportional band"
Pr. 130 "PID integral time"
Pr. 131 "upper limit"
Pr. 132 "lower limit"
Pr. 133 "PID action set point for PU operation"
Pr. 134 "PID differential time"
The inverter can be used to exercise process control, e.g. flow rate, air volume or
pressure.
y The voltage input signal (0 to ±5V or 0 to ±10V) or Pr. 133 setting is used as a set
point and the 4 to 20mA DC current input signal used as a feedback value to
constitute a feedback system for PID control.
Parameter
Factory
Number
Setting
128
129
130
131
132
133
134
<Setting>
( 1 ) Basic PID control configuration
Deviation
Set point
+
(U)
-
Setting Range
0
0, 20, 21
100%
0.1 to 1000%, 9999
1s
0.1 to 3600s, 9999
9999
0 to 100%, 9999
9999
0 to 100%, 9999
0%
0 to 100%
9999
0.01 to 10.00s, 9999
Manipulated variable
(x)
PID operation
Kp +
1
(y)
Process value
Kp : Proportional constant
Ti : Integral time
S : Operator
Td : Differential time
Related parameters
Pr. 73 "0-5V/0-10V selection"
Pr. 79 "operation mode selection"
Pr. 180 to Pr. 183 (input
terminal function selection)
Pr. 191 to Pr. 192 (output
terminal function selection)
Pr. 902 to Pr. 905 (frequency
setting voltage (current)
biases and
9999: No proportional control
9999: No integral control
9999: Function invalid
9999: Function invalid
9999: No differential control
Inverter
(fi)
1
drive
+
Td×S
Ti×S
circuit
131
PARAMETERS
gains)
Remarks
Motor
y
IM
4

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