Omron VARISPEED G7 Instruction Manual page 124

Zero Servo: b9
User constants for dwell functions are shown in the following table.
Name
Con-
stant
Display
Number
Zero-servo Adjust the strength of the
gain zero-servo lock.
Enabled when the "zero-servo
command" is set for the
multi-function input. When
the zero-servo command has
been input and the frequency
b9-01 reference drop below excita-
Zero Servo
tion level (b2-01), a position
Gain
control loop is created and the
motor stops. Increasing the
zero-servo gain in turn
increases the strength of the
lock. Increasing it by too
much will cause oscillation.
Zero-servo Sets the output width of the
completion P-lock completion signal.
width Enabled when the "zero-servo
completion (end)" is set for a
multi-function input. The
zero-servo completion signal
is ON when the current posi-
b9-02 tion is within the range (the
zero-servo position + zero-
Zero Servo
servo completion width.)
Count
Set the allowable position dis-
placement from the zero-
servo position to 4 times the
pulse rate of the PG (pulse
generator, encoder) in use.
Setting Factory
Description
Range Setting
0 to
100
0 to
16383
Control Methods
Change
Open
during
V/f Loop
Opera-
V/f with Vec-
tion
PG tor
1
5 No No No No
10 No No No No
User Constant Tables
MEMO
Open
BUS
Flux Loop
Page
Regis-
Vec- Vec-
ter
tor tor
2
A No 1DAH
A No 1DBH
5-
19