Hitachi J300U Series instruction manual Control Circuit Terminals, Plc

5.6Control Circuit Terminals

Terminal symbol

Terminal name

Description

FM

Monitor terminal

Analog: Output frequency, current, torque

Digital: Output frequency x frequency converted value

(Set in the remote operator monitor mode), max. pulse: 3.6 kHz

CM1

Common terminal 1

Common terminal for the monitor terminal

PLC

Internalinterfacecommon

Common terminal for the external power source of the sequencer

P24

Inputsignalpowersource

Internal power source for the contact input terminal and frequency

monitor terminal, 24 VDC.

Common for the FW terminal and intelligent input terminals

OUTPUT frequency

FW

Forwardrun/stopterminal

Forward

CM1 PLC P24 FW 8

•••••

1

Reverse

REV

Reverse run/stop

SWF

ON

SWR

SWR

ON

SWF

Frequency

CF1

SW1

(Hz)

Fourth (FS)

(Source type)

speed

Third

speed

Second

speed

CM1PLC P24 FW

8

7 6

CF2

Multistage speed

SW2

First

speed

Switch

Time

SWF

SW1 SW2

SW1

• When setting frequency,

ON

ON

ON

ON

CF3

SW3

SW2

connect P24 and 6 or 7

ON

ON

and set with digital

(NOTE 1)

SWF

ON

operator 1

or

2 .

JG

Jogging

Jogging run

DB

External DC braking

DC braking input signal

STN

Initialization

Initialization (shipment status at factory) input

SET

2nd function

The output frequency setting, base and maximum frequencies,

control method, motor constant, acceleration or deceleration time,

8

manual torque boost setting, and electronic thermal setting are

1 to

changed in batch.

CH1

Two-stage acceleration

The acceleration or deceleration time or selection of two-stage

or deceleration

accration or deceleration is changed by turning the contact ON.

FRS

Free run stop

The inverter stops and the motor stops free run

FRS functions when the contact is opened. (European version)

EXT

External trip

External trip input signal (The contact is open.)

USP

Power-ON restart

Restart prevention when the power is turned on in the RUN

prevention

state (The contact is open.)

CS

Commercial power source

Switch signal from the commercial power source to inverter

switching

drive (Note: When the terminal is used, a trip is also conceled.)

SFT

Terminal software lock

The data of all funcitons except for output frequency setting is

locked. See 12-9 [F-25].

AT

Analog input command

Analog input voltage-current switching (When the contact is ON,

current input signal to OI-L is acrive.)

RS

Reset

Trip or alarm signal is reset.

UP

Remote control function,

When the contact is turned ON, the operation is accelerated.

acceleration

(Available only when the frequency command is sent

to the operator.)

DWN

Remote control function,

When the contact is turned ON, the operation is decelerated.

deceleration

(Available the frequency command is sent to the operator.)

5-12