Mitsubishi FR - S500 instruction manual Wiring example, Deviation, Negative, Runfup,Fdn

5)Forward action

Increases the manipulated variable (output frequency) if deviation X = (set point - process value) is negative, and decreases the manipulated variable if deviation is positive.

	[Cooling]
Set point	+		X>0
	-		X<0
	Feedback	signal
	(Process value)
			Process value
Too cold down				Set point
Hot up
			Deviation

Relationships between deviation and manipulated variable (output frequency)

	Deviation
	Positive	Negative
Reverse action	!	"
Forward action	"	!

(3) Wiring example

Pr. 60 = 14

NFB

Inverter

Pump

Pr. 64 = 15

Motor

R(L1)

U

Pr. 65 = 16

Power

IM

Pr. 88 = 20

supply

S(N)

V

P

T

W

Forward rotation

STF

Upper limit

For

Reverse rotation

STR

(Lower limit)

2-wire

For

SD

Limit signal

type

PID control

3-wire

RL(X14)(*3)

common

selection

RUN(FUP,FDN)

Forward

Detector

type

Setting

10

(*2)

rotation output

- +

+ -

+

potentiometer

2

SE

Reverse

rotation output

(OUT) (COM)

(Set point setting)

5

A

(24V)

Forward (reverse)

C

4

rotation output

signal common

(Process value) 4 to 20mA

0 24V

DC

power supply (*1)

AC1

200/220V 50/60Hz

CAUTION

*1. The power supply must be selected in accordance with the power specifications of the detector used.

*2. The output signal terminals used depends on the Pr. 64, Pr. 65 settings.

*3. The input signal terminal used depends on the setting of Pr. 60 to Pr. 63.

•The contact input signal (AU Signal) need not be turned on.

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