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Special operation and speed control
4
PARAMETERS
4) Reverse operation
Increases the manipulated variable (rotation speed) if deviation X = (set point - measured value) is positive, and decreases
the manipulated variable if deviation is negative.
5) Forward operation
Increases the manipulated variable (rotation speed) if deviation X = (set point - measured value) is negative, and decreases
the manipulated variable if deviation is positive.
Relationships between deviation and manipulated variable (rotation speed)
(3) Connection diagram
Deviation
Positive Negative
Reverse action
Forward action
Sink logic
Pr.128 = 20
Pr.182 = 14
Pr.190 = 15
Pr.191 = 14
Pr.192 = 16
The power supply must be selected in accordance with the power specifications of the detector used.
The used output signal terminal changes depending on the Pr.190 to Pr.192 (output terminal selection) setting.
The used input signal terminal changes depending on the Pr.178 to Pr.184 (input terminal selection) setting.
The AU signal need not be input.
Cold Increase
Hot Decrease
Set point
X>0
X<0
Feedback signal
(measured value)
+
-
[Heating]
Deviation
Set point
Measured value
Set point
X>0
X<0
Feedback signal
(measured value)
+
-
[Cooling]
Deviation
Set point
Measured value
Too cold Decrease
Hot Increase
Power supply
MCCB
Drive unit
Forward rotation
Reverse rotation
Reverse rotation
Setting Potentiometer
(Set point setting)
0 24V
Power
supply
∗1
AC1φ
200/220V 50/60Hz
R/L1
S/L2
T/L3
STF
STR
RH(X14)
∗3
SD
10
2
5
4
∗4
U
V
W
∗2(FUP)RUN
∗2(FDN)FU
SE
(measured value) 4 to 20mA
Motor
M
Pump
P
Output signal
common
2-wire type
Detector
3-wire type
-
++ +
-
(OUT) (24V)
(COM)
Upper limit
Lower limit