YASKAWA GA700 Technical Manual page 704

11.3 b: Application
2 : Operate at Minimum Frequency
The drive operates the motor at the minimum frequency reference set in E1-09 and the Run command is still
enabled.
The drive decelerates the motor when the Stop command is entered (or when the Run command is switched OFF).
If the motor speed falls below or is equal to the value set in b2-01, then the drive will perform Zero Speed Control
for the time set in b2-04.
3 : Operate at Zero Speed
The drive performs Zero Speed Control when the frequency reference falls below the value set in E1-09.
The drive performs Zero Speed Control again for the time set in b2-04 when the Stop command is entered (or
when the Run command is switched OFF).
■
b1-06: Digital Input Reading
No.
Name
(Hex.)
b1-06 Digital Input Reading
(0185)
0 : Single Scan
The drive reads the terminal status one time. The drive immediately reads all changes to the terminal status.
This setting lets the drive quickly respond to changes in the sequence, but electrical interference can cause
problems.
1 : Double Scan
The drive reads the terminal status two times. The drive reads all changes to the terminal status two times to make
sure that the reading is the same.
704
Figure 11.20 Baseblock (Motor Coasts)
Figure 11.21 Operate at Minimum Frequency
Figure 11.22 Operate at Zero Speed
V/f CL-V/f OLV CLV AOLV
Sets the number of times that the drive reads the sequence input command
to prevent problems from electrical interference.
YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Default
(Range)
1
(0, 1)