8
VFD-B Series
DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
8-5
Parameters Explanation Settings
Factory
Setting
00: Decelerate to 0 Hz
01: Stop immediately and display “EF”
02-07 Loss of ACI Signal
02: Continue operation by last frequency
command
00
00: Based on Accel/Decel Time
02-08 Up/Down Key Mode
01: Constant speed
00
02-09
The Acce/Decel Speed of
the UP/DOWN Key with
Constant Speed
0.01~1.00 Hz/msec 0.01
00: Digital keypad
01: 0 to +10V from AVI
02: 4 to 20mA from ACI
03: -10 to +10Vdc from AUI
02-10
Source of the Master
Frequency Command
(FCHA)
04: RS-485 communication interface
00
00: Digital keypad
01: 0 to +10V from AVI
02: 4 to 20mA from ACI
03: -10 to +10Vdc from AUI
02-11
Source of the Auxiliary
Frequency Command
(FCHB)
04: RS-485 communication interface
00
00: Master frequency + Auxiliary frequency
02-12
Combination of the Master
and Auxiliary Frequency
Command
01: Master frequency - Auxiliary frequency
00
00: Master Frequency determined by the
digital keypad or external UP/DOWN
keys of the Multi Function Inputs.
01: 0 to +10V from AVI
02: 4 to 20mA from ACI
03: -10 to +10Vdc from AUI
04: RS-485 communication interface
05: RS-485 communication interface. It
won’t memorize the frequency.
02-13
Source of Second
Frequency Command
06: Combined usage of the master and
auxiliary frequency command Pr.
02-10, 02-11,02-12
00
00: Controlled by the digital keypad
01: Controlled by the external terminals,
keypad STOP enabled.
02-14
Source of Second
Operation Command
02: Controlled by the external terminals,
keypad STOP disabled.
00
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