Mitsubishi Electric FR-F820-00046 Instruction Manual page 406

 Reverse action
When deviation X = (set point - measured value) is a plus value, the manipulated amount (output frequency) is increased, and
when the deviation is a minus value, the manipulated amount is decreased.
Set
point
Feedback signal
(measured value)
 Forward action
When deviation X = (set point - measured value) is a minus value, the manipulated amount (output frequency) is increased,
and when the deviation is a plus value, the manipulated amount is decreased.
Set
point
(measured value)
Relationship between deviation and manipulated amount (output frequency)
PID action setting
Plus
Reverse action
Forward action
 Connection diagram
• Sink logic
• Pr.128 = 20
• Pr.183 = 14
• Pr.191 = 47
• Pr.192 = 16
• Pr.193 = 14
• Pr.194 = 15
*1 Prepare a power supply matched to the power supply specifications of the detector.
*2 The applied output terminals differ by the settings of Pr.190 to Pr.196 (Output terminal function selection).
*3 The applied input terminals differ by the settings of Pr.178 to Pr.189 (Input terminal function selection)
*4 The AU signal need not be input.
[Heating]
+ X>0
Cold
X<0 Hot
-
[Cooling]
X>0
+
Too cold
X<0 Hot
-
Feedback signal
Deviation
Minus
Power supply
Forward
rotation
Reverse
rotation
PID control
selection
Setting
Potentiometer
(Set point setting)
AC1φ
200/220V 50/60Hz
Deviation
Increase
Decrease
Measured value
Measured value
Decrease
Increase
Deviation
Inverter
MCCB
R/L1 U
V
S/L2
T/L3 W
STF
STR
RT(X14)
∗3
(PID)SU
∗2
SD
(FUP)FU
∗2
∗2 (FDN)OL
10
2
∗2 (RL)IPF
5
1
SE Output signal common
4 ∗4
(Measured value) 4 to 20mA
0 24V
Power
∗1
supply
Set point
Set point
Pump
Motor
M
P
2-wire type
3-wire
During PID action
type
Detector
Upper limit
Lower limit
- -
+ +
Forward rotation
output
Reverse rotation
output
(OUT)
(COM)
5. PARAMETERS
5.11 (A) Application parameters
1
2
3
4
5
6
7
8
9
10
+
(24V)
405