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Delta Electronics AC Motor Drive VFD-EL User Manual

Page 102

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Chapter 4 Parameters|

Revision August 2008, 2ELE, V1.02

4-59

Settings

Function

Description

1

Multi-Step Speed

Command 1

2

Multi-Step Speed

Command 2

3

Multi-Step Speed

Command 3

4

Multi-Step Speed

Command 4

These four inputs select the multi-speed defined by Pr.05.00 to

Pr.05.14 as shown in the diagram at the end of this table.

NOTE: Pr.05.00 to Pr.05.14 can also be used to control output

speed. There are 17 step speed frequencies (including

Master Frequency and Jog Frequency) to select for

application.

5 External

Reset

The External Reset has the same function as the Reset key on

the Digital keypad. After faults such as O.H., O.C. and O.V. are

cleared this input can be used to reset the drive.

6 Accel/Decel

Inhibit

When the command is active, acceleration and deceleration is

stopped and the AC motor drive maintains a constant speed.

7

Accel/Decel Time

Selection

Command

Used to select the one of 2 Accel/Decel Times (Pr.01.09 to

Pr.01.12). See explanation at the end of this table.

8

Jog Operation

Control

Parameter value 08 programs one of the Multi-function Input

Terminals MI3

∼ MI6 (Pr.04.05~Pr.04.08) for Jog control.

NOTE: Programming for Jog operation by 08 can only be

done while the motor is stopped. (Refer to parameter

Pr.01.13~Pr.01.15)

9

External Base

Block

(Refer to Pr. 08.06)

Parameter value 09 programs a Multi-function Input Terminals for

external Base Block control.

NOTE: When a Base-Block signal is received, the AC motor

drive will block all output and the motor will free run. When

base block control is deactivated, the AC drive will start its

speed search function and synchronize with the motor

speed, and then accelerate to Master Frequency.