B: Application Constants - YASKAWA Varispeed G7 Series Instruction Manual



b: Application Constants

The following settings are made with the application constants (B constants): Operation method selection, DC
injection braking, speed searching, timer functions, dwell functions, droop control, energy saving control, and
zero-servo control.
Operation Mode Selections: b1
User constants for operation mode selection are shown in the following table.
Name
Con-
stant
Display
Number
Reference Set the frequency reference
selection input method.
0: Digital Operator
1: Control circuit terminal
b1-01
Reference
2: MEMOBUS communica-
Source
3: Option board
4: Pulse train input
Operation Set the Run Command input
method method.
selection 0: Digital Operator
1: Control circuit terminal
b1-02
2: MEMOBUS communica-
Run Source
3: Option board
Stopping
Used to set the stopping
method
method used when a Stop
selection
Command is input.
0: Deceleration to stop
1: Coast to stop
2: DC injection braking stop
b1-03
Stopping
Method
3: Coast to stop with timer
Prohibition
of reverse
0: Reverse enabled
operation
b1-04
1: Reverse disabled
Reverse
Oper
Setting
Description
Range
(analog input) 0 to 4
tions
0 to 3
(sequence input)
tions
(Stops faster than coast to 0 to 3 *
stop, no regenerative
operation.)
(Run Commands are
disregarded during
deceleration.)
0 or 1
Control Methods
Change
Open
during
Factory
V/f Loop
Setting
Opera-
V/f with Vec-
tion PG tor
1
1 No Q Q Q
1 No Q Q Q
0 No Q Q Q
0 No A A A
User Constant Tables
MEMO-
Open
BUS
Flux Loop
Page
Regis-
Vec- Vec-
ter
tor tor
2
4-7
6-2
Q Q 180H
6-77
6-95
4-7
6-10
Q Q 181H
6-77
6-95
4-7
Q Q 182H
6-12
A A 183H 6-63
5-
11