Chapter 5 Parameters
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VFD-B Series
Revision July 2008, BE16, SW V4.08 & V5.00
5-41
02- 07
Loss of ACI Signal (4-20mA)
Factory Setting: 00
Settings
00
Decelerate
to
0Hz
01
Coast to stop and display “EF”
02
Continue operation by the last frequency command
This parameter determines the behavior when ACI is lost.
When set to 00 or 02, it will display warning message “AnLEr” on the keypad in case of loss of
ACI signal and execute the setting. When ACI signal is recovered, the warning message
usually disappears automatically. If the warning message is still displayed, please press
“MODE” key to make it disappear.
02 - 08
Up/Down Mode
Factory Setting: 00
Settings
00
Based on Accel/Decel time acc. to Pr.01-09 to 01-12 and Pr.01-18
to 01-21
01
Constant speed (acc. to Pr. 02-09)
02
Based on Accel/Decel time acc. to Pr.01-09 to 01-12 and Pr.01-18
to 01-21, but frequency command will be 0 when stopped
02 - 09
Accel/Decel Rate of Change of UP/DOWN Operation with
Constant Speed
Unit: 0.01
Settings
0.01~1.00 Hz/ms
Factory Setting: 0.01
These parameters determine the increase/decrease of the master frequency when operated
via the Multi-Function Inputs when Pr.04-04~Pr.04-09 are set to 11 (Up command) or 12
(Down command).
02 - 15
Keypad Frequency Command
Unit: 0.01
Settings
0.00 ~ 400.00Hz
Factory Setting: 60.00
This parameter can be used to set frequency command or read keypad frequency command.
