C&H INVERTER SERIES Instrukcja Obsługi Pobierz pdf (Strona 9)

Program Flowchart and Index

Page 9 of 15

Chapter 3 – Configuring the Inverter

The configuration of inverter parameters will depend on the specific functionality and performance required for

your application. The basic functionality of the board is designed to interface with a two pushbutton,

two-position (two-speed) momentary contact type pendant commonly used for crane and hoist applications. This

is the basis for the descriptions of the functions of the board presented in this manual. The setup in the table

below will result in infinitely variable speeds between the programmed MIN and MAX speeds. The defined

functions of the pushbuttons are as follows:

UP, first detent: UP – accelerate to minimum speed

UP, second detent: UP – increase speed while held, up to MAX speed (or go to second speed, see page 11)

DOWN, first detent: DOWN – accelerate to minimum speed (RESET fault when inverter is

STOPPED and in a fault state)

DOWN, second detent: DOWN – increase speed, up to MAX speed (or go to second speed, see page 11)

Pushing either the UP or DOWN pushbutton to the first position causes the inverter to go to the minimum

configured speed in that direction. Pushing that button further to its second position will cause speed to increase

in that direction. Releasing back to first position will hold that last speed. Releasing the pushbutton all the way

will cause the inverter to come to a stop. If that button is re-pressed to the first position before stop is reached,

that speed will be maintained. In order to achieve this basic functionality, the installation of the EzSQ C&H

program must be downloaded to the inverter through the use of Hitachi ProDriveNext software. The software is

available to download from our company website.

This program also will require a change in parameters that differ from factory default values, as described in the

following table. The application will also write to these parameters as needed.

Parameter

Code

Function Setting Comment

F002 Acceleration Time Note 1

Set a value between 1 and 3600 seconds, depending on application. If P031

is set to 03, acceleration is controlled by EzSQ. This is field adjustable.

F003

Deceleration

Time

Note 1

Set a value between 1 and 3600 seconds, depending on application. If P031

is set to 03, deceleration will be controlled by EzSQ. This is field adjustable.

A001

Frequency

Command

07 Tells the inverter to read speed reference from EzSQ program. See note 3.

A002 Run Command 01 Tells the inverter to take the RUN command from the control terminals.

A004

Maximum

Frequency

Note 1

Depending on the motor limits and application requirements, set the

appropriate value, (Must be equal or greater than P120 parameter)

P120

Upper Frequency

Limit

Note 1

Usually the same value as A004. See note 3. This is field adjustable.

P110

Lower Frequency

Limit

Note 1

Lowest speed for continuous operation (MIN speed), usually 6 to 10 Hz or

so. This is the speed that will be commanded at the first pushbutton position.

See note 3. This is field adjustable.

B091

Stop Mode

Selection

00 For Non-Load Brake Hoist, or for traverse applications: 00 (factory default)

01 For Load Brake Hoist applications: 01 (free-run or coast to stop)

C001

Terminal 1

Function

56 WJ200 = [MI1]. See note 3.

no SJ700 Open Loop = [NO] No function

56 SJ700 Closed Loop = [MI1]. See note 3.

DOWN

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