Delta Electronics VFD-EL manual 03.08, 03.11, 03.12

			Chapter 4 Parameters
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.

03.09Reserved

03.10Reserved

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

Frequency

Output

Case 1: Pr.03.12

Pr. 03.11

Case 2: Pr.03.12

Time

Run/Stop

Case 1: Pr.03.00=21

Case 2: Pr.03.00=21

Revision August 2008, 2ELE, V1.02 4-51