5-10
îš‹ Application Constants: b
The following settings are made with the application constants (B constants): Operation method selection, DC
injection braking, speed searching, timer functions, dwell functions, DROOP functions, energy saving func-
tions, and zero-servo.
îš„Operation Mode Selections: b1
User constants for operation mode selection are shown in the following table.
Con-
stant
Number
Name Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO
BUS
Regis-
ter
Page
V/f
V/f
with
PG
Open
Loop
Vec-
tor
Flux
Vec-
tor
b1-01
Reference
selection
Set the frequency reference
input method.
0: Digital Operator
1: Control circuit terminal
(analog input)
2: MEMOBUS communica-
tions
3: Option board
4: Pulse train input
0 to 4 1 No Q Q Q Q 180H
4-5
6-6
6-78
6-97
b1-02
Operation
method
selection
Set the Run Command input
method.
0: Digital Operator
1: Control circuit terminal
(sequence input)
2: MEMOBUS communica-
tions
3: Option board
0 to 3 1 No Q Q Q Q 181H
4-5
6-15
6-78
6-97
b1-03
Stopping
method
selection
Used to set the stopping
method used when a Stop
Command is input.
0: Deceleration to stop
1: Coast to stop
2: DC injection braking stop
(Stops faster than coast to
stop, no regenerative
operation.)
3: Coast to stop with timer
(Run Commands are
disregarded during
deceleration.)
0 to 3 * 0 No Q Q Q Q 182H
4-6
6-17
b1-04
Prohibition
of reverse
operation
0: Reverse enabled
1: Reverse disabled
0 or 1 0 No A A A A 183H 6-65
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