Chapter 4 explanation of functions – Hitachi SJ700-2 User Manual

Page 93

Advertising
background image

Chapter 4 Explanation of Functions

F002/F202/F302: Acceleration (1) time setting,

1st/2nd/3rd motors

F003/F203/F303: Deceleration (1) time setting,

1st/2nd/3rd motors

A092/A292/A392: Acceleration (2) time setting,

1st/2nd/3rd motors

A093/A293/A393: Deceleration (2) time setting,

1st/2nd/3rd motors

A094/A294: Select method to switch to

Acc2/Dec2 profile, 1st/2nd motor

A095/A295: Acc1 to Acc2 frequency transition

point, 1st/2nd motors

A096/A296: Dec1 to Dec2 frequency transition

point, 1st/2nd motors

C001 to C008: Terminal [1] to [8] functions

Related code

4.2.24 Two-stage acceleration/deceleration function (2CH)

The two-stage acceleration/deceleration function allows you to
change the acceleration or deceleration time while the inverter is
accelerating or decelerating the motor.
Select one of the following three methods of changing the
acceleration or deceleration time:

1) Changing the time by the signal input to an intelligent input

terminal

2) Automatically changing the time when the output frequency

reaches a specified frequency

3) Automatically changing the time only when switching the

motor operation from forward rotation to reverse rotation, or
vice versa

Selecting the 3rd control system enables the change of the
acceleration or deceleration time only by terminal input. Not bytwo-stage acceleration/deceleration
frequency.
To change the acceleration/deceleration time by the signal input to an intelligent input terminal, assign
function "09" (2CH) to one of the terminal functions C001 to C008.

Item Function

code

Data

Description

Acceleration (2) time
setting

A092/A292/

A392

0.01 to

3600. (s)

(See examples 1 and 2.)

Deceleration (2) time
setting

A093/A293/

A393

0.01 to

3600. (s)

(See examples 1 and 2.)

00

Changing the time by the signal input to the 2CH terminal
(See example 1.)

01

Changing the time at the two-stage acceleration/deceleration frequency
(See example 2.)

Select method to switch
to Acc2/Dec2 profile

A094/A294

02

Valid only while the inverter is switching the motor between forward and
reverse operations (See example 3.)

Acc1 to Acc2 frequency
transition point

A095/A295

0.00 to

400.0 (Hz)

Valid when "01" is specified for the select method to switch to Acc2/Dec2
profile (A094/A294) (See example 2.)

Dec1 to Dec2 frequency
transition point

A096/A296

0.00 to

400.0 (Hz)

Valid when "01" is specified for the Select method to switch to Acc2/Dec2
profile (A094/A294) (See example 2.)

4 - 3

0

(Example 1) When "00" is specified for "A094" or "A294" (Example 2) When "01" is specified for "A094" or "A294"















(Example 3) When "02" is specified for "A094" or "A294"

Output
frequency

Output
frequency

Output
frequency

Acceleration

time 1

Acceleration

time 2

Deceleration

time 2

Deceleration

time 1

Acceleration

time 1

Acceleration

time 2

Decelera

time 2

Deceleration

time 1

Acceleration

time 1

Deceleration

time 2

Acceleration

time 2

Deceleration

time 1

tion











Advertising