5
-10
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, and energy saving functions.
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
Display
V/f
V/f
with
PG
Open
Loop
Vec-
tor
1
Flux
Vec-
tor
Open
Loop
Vec-
tor
2
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 Card
4: Pulse train input
0 to 4
1
No
Q
Q
Q
Q
Q
180H
4-5
6-2
6-66
6-83
Reference
Source
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 Card
0 to 3
1
No
Q
Q
Q
Q
Q
181H
4-5
6-7
6-66
6-83
Run Source
b1-03
Stopping
method
selection
Used to set the stopping
method used when a stop com-
mand 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
Q
182H
4-6
6-9
Stopping
Method
b1-04
Prohibition
of reverse
operation
0: Reverse enabled
1: Reverse disabled
0 or 1
0
No
A
A
A
A
A
183H
6-54
Reverse
Oper
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