YASKAWA GA800 Programming Manual page 200

2.3 b: Application
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b1-04: Reverse Operation Selection
No.
Name
(Hex.)
b1-04 Reverse Operation Selection
(0183)
When reverse operation is prohibited, the drive will not accept a Reverse operation command.
0 : Reverse Enabled
The drive will accept a Reverse operation command.
1 : Reverse Disabled
The drive will not accept a Reverse operation command.
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b1-05: Operation Below Minimum Freq
No.
Name
(Hex.)
b1-05 Operation Below Minimum
Freq
(0184)
0 : Operate at Frequency Reference
When the frequency reference is less than the value set in E1-09, the drive will continue to operate the motor as
specified by the frequency reference.
If the motor speed is less than or equal to the value set in b2-01 [DC Injection/Zero SpeedThreshold] when you enter
the Stop command (or deactivate the Run command), the drive will do Zero Speed Control for the time set in b2-04
[DC Inject Braking Time at Stop] and then turn OFF its output.
1 : Baseblock (Motor Coasts)
If the frequency reference is less than the value set in E1-09, the drive stops motor voltage output and the motor
coasts to stop. If the motor speed is less than or equal to the value set in b2-01, the drive will do Zero Speed Control
for the time set in b2-04.
200
Figure 2.17 Run Wait Time and Output Frequency
V/f CL-V/f OLV CLV AOLV
Sets the reverse operation function. Disable reverse operation in fan or pump applications where
reverse rotation is dangerous.
V/f CL-V/f OLV CLV AOLV
Sets the drive operation when the frequency reference decreases to less than the value set in E1-09
[Minimum Output Frequency].
Figure 2.18 Operate at the Frequency Reference
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
YASKAWA TOEPYAIGA8002B GA800 Drive Programming
Default
(Range)
0
(0, 1)
Default
(Range)
0
(0 - 3)