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Delta Electronics AC Motor Drive VFD-EL User Manual

Page 94

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Chapter 4 Parameters|

Revision August 2008, 2ELE, V1.02

4-51

03.08

Fan Control

Factory Setting: 0

Settings

0

Fan always ON

1

1 minute after AC motor drive stops, fan will be OFF

2

Fan ON when AC motor drive runs, fan OFF when AC motor drive
stops

3

Fan ON when preliminary heatsink temperature attained

This parameter determines the operation mode of the cooling fan.

03.09

Reserved

03.10

Reserved

03.11

Brake Release Frequency

Unit: 0.01

Settings

0.00 to 600.0Hz

Factory Setting: 0.00

03.12

Brake Engage Frequency

Unit: 0.01

Settings

0.00 to 600.0Hz

Factory Setting: 0.00

These two parameters are used to set control of mechanical brake via the output terminals

(Relay) when Pr.03.00is set to 21. Refer to the following example for details.

Example:

1. Case 1: Pr.03.12

≥ Pr.03.11

2. Case 2: Pr.03.12

≤ Pr.03.11

Case 1: Pr.03.12

Case 2: Pr.03.12

Pr. 03.11

Frequency

Output

Time

Run/Stop

Case 1: Pr.03.00=21

Case 2: Pr.03.00=21