Chapter 4 Parameters
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VFD-L-I Series
Revision July 2009, SW V1.1
4-29
12, 13 External Base Block:
Parameter values 12, 13 program Multi-Function Input Terminals: M1 (Pr.04-04) for external Base
Block control.
VFD-L-I
GND
M1
B.B.(N.O)
B.B.(N.C )
M1
Set to 12
Set to 13
CLOSE: operation avaliable
Open: operati on availiable
OR
NOTE
When a Base-Block signal is received, the AC drive will stop all output and the motor will free run.
When base block control is deactivated, the AC drive will start its speed search function and
synchronize with the motor speed, and then accelerate to Master Frequency.
B.B. time
Pr.08-06
External
base-block
signal
Output
frequency
Output
voltage
Speed search s tarts
with the
reference value
Speed search operation
Speed sy nchronization
detec ti on
14, 15 Increase/Decrease Master Frequency:
Parameter values 14, 15 program the Multi-Function Input Terminals: M1 (Pr.04-04) to incrementally
increase/ decrease the Master Frequency each time an input is received.
The function and operation of UP/DOWN key is almost the same as
▲▼
keys on the digital keypad.
The difference is that UP/DOWN keys can’t be used to change parameters. After setting frequency
by the UP/DOWN key, it needs to operate with the operation command. It’ll save the last frequency
before power off.
GND
M1
UP(N.O)
DOWN(N.O)
M1
VFD-L-I
Set to 14
Set to 15
CLOSE: frequency will increase by one unit
OPEN: frequency will decrease by one unit
OR
Summary of Contents for VFD-L-I Series
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