Operation of the digital operator – Hitachi J300U Series User Manual

Page 41

7-1

7. OPERATION OF THE DIGITAL OPERATOR

The standard type digital operator is modified so as to be used easily by minimizing key opera-
tions. Data can be set simply.

7.1

Names of Parts

POWER Lamp

Power lamp of control
circuit

Up key, Down key

These keys are used to
change data and increase
or decrease the frequency.

Monitor (LED display)

This display shows frequency, motor
current, motor revolution speed, and
Trip history

FUNC (Function) key

This key is used for changing
commands. When pressing
key after setting data and
parameter, they are automati-
cally memorized.

STOP/RESET key

This key is used for stopping the motor or
resetting errors.
(When either operator or terminal is se-
lected, this key works. If the extension
function is used, this function is void.)

RUN key

This key is used for starting. (When
terminal run is selected, this key does
not work.)

WARNING

The STOP/RESET key works only when a function is set. Prepare an emergency switch separately.
The use of the STOP/RESET key as an emergency switch may cause an injury.

RUN

Start
run

Display after
power is turned
on

Press the
key once.

Press the key once
and set the frequency by using
the and keys.

(Frequency
monitor)

The frequency which is

set by the key is
stored.

FUNC

Press

FUNC

Press the
key five times.

Press the
key once.

FUNC

When selecting the monitor
mode, press and

to display .

➤

7.2

Operation Procedure
(Example that the frequency is set and the equipment starts running)

FUNC.

R U N

STOP/

RESET