Speed Search - Veikong gpd 515/g5 Startup Manual

5 . 3 2 M U L T I - F U N C T I O N INPUT TERMINALS ( T e r m . 3 - 8 )
D . Data 6 1 : Speed Search From Max Frequency
Data 6 2 : Speed Search From Set Frequency
Data 6 4 : Speed Search From Output Frequency
A multi-function input terminal is utilized to activate speed search. When the external
speed search command is closed, the base is blocked for the min. base block time,
L 2 - 0 3 , then the speed search is made. The operation depends on the set value.
Set values 6 1, 6 2 & 6 4 CANNOT be selected in combination.
• When 6 1 is set, the speed search begins with the maximum frequency.
• When 6 2 is set, the speed search begins with the frequency command
that has been set after the search command was received.
• When 6 4 is set, the speed search begins with the last output frequency
before the speed search command was received.
SIGNAL

SPEED SEARCH

MAX FREQ., FREQ.
REF., OR OUTPUT
FREQ. WHEN SPEED
SEARCH IS INPUTTED
OUTPUT FREQUENCY
VOLTAGE AT
SPEED SEARCH
OUTPUT VOLTAGE
NOTE: When momentary power loss ride-thru function is selected ( L2-01 = 1 or 2),
IMPORTANT
RUN
MIN.
BASE
BLOCK
TIME
( L2-03 )
the Speed Search command must be enabled.
Speed Search Operation Timing
WITHIN 0.5 SEC
SPEED SEARCH
OPERATION
5-64
Continued
SPEED COINCIDENCE
POINT
NORMAL V/f
OUTPUT
( E1=03 )