Ef Active When Preliminary Count Value Attained; Fan Control; Brake Release Frequency; Brake Engage Frequency - Delta VFD-B User Manual

Chapter 5 Parameters|VFD-B Series
When the counter value reaches this value, the corresponding multi-function output terminal
will be activated, provided one of Pr.03-00 to Pr.03-03 set to 15 (Preliminary Count Value
Setting). This multi-function output terminal will be deactivated upon completion of Terminal
Count Value Attained.
The timing diagram:
Display
(Pr.00-04=01)
TRG
Counter Trigger
Preliminary Count Value
(Pr. 03-00~Pr. 03-03=15)
Terminal Count Value
(Pr. 03-00~Pr. 03-03=14)
03 - 11

EF Active when Preliminary Count Value Attained

Settings
If this parameter is set to 01 and the desired value of counter is attained, the AC drive will treat
it as a fault. The drive will stop and show the "cEF" message on the display.
03 - 12

Fan Control

Settings
This parameter determines the operation mode of cooling fan.
03 - 13

Brake Release Frequency

Settings
03 - 14

Brake Engage Frequency

Settings
These two parameters are used to set control of mechanical brake via the output terminals
(MO1~MO3) when Pr.03-00~03-03 is set to 29. Refer to the following example for details.
5-46
Ex:03-08=5,03-09=3
00 Preliminary count value attained, no EF display
01 Preliminary count value attained, EF active
00 Fan always ON
01 1 minute after AC motor drive stops, fan will be OFF
02 AC motor drive runs and fan ON, AC motor drive stops and fan
OFF
03 Fan ON to run when preliminary heatsink temperature attained
0.00 to 400.00Hz
0.00 to 400.00Hz
The width of trigger signal
should not be less than
2ms(<250 Hz)
Factory Setting: 00
Factory Setting: 00
Factory Setting: 0.00
Factory Setting: 0.00
Revision July 2008, BE16, SW V4.08 & V5.00
2msec
2msec
Unit: 0.01
Unit: 0.01