Parameter Details
11
11.3 b: Application
YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual 709
■ b1-17: Run Command at Power Up
No.
(Hex.)
Name Description
Default
(Range)
b1-17
(01C6)
Run Command at
Power Up
Sets drive response when energizing a drive that has an external Run
command. Set this parameter in applications where energizing or de-
energizing the drive enables the Run command.
0
(0, 1)
0 : Disregard Existing RUN Command
The drive does not start to operate the application when the power is switched ON, even when there is an existing
Run command.
Enter the Run command again to operate the application.
Note:
When you energize the drive, the light on the keypad will flash quickly if the Run command is already enabled from an external
source.
1 : Accept Existing RUN Command
When there is an existing Run command, the drive starts to operate the application when the power is switched
ON.
WARNING! Sudden Movement Hazard.
When using a 3-Wire sequence:
• Set the drive for 3-Wire sequence.
• Set b1-17 = 0 [Run Command at Power Up = Disregard Existing RUN Command]
• Wire the drive for 3-Wire sequence.
If these three conditions are correct, the motor can rotate in reverse when energizing the drive:
• The drive is wired for 3-Wire sequence.
• The drive is set for a 2-Wire sequence (default).
• b1-17 = 1 [Accept Existing RUN Command]
Failure to obey can cause death or serious injury from moving equipment.
■ b1-21: CLV Start Selection
No.
(Hex.)
Name Description
Default
(Range)
b1-21
(0748)
Expert
CLV Start Selection
Sets drive response to a Run command when A1-02 = 3 or 7 [Control
Method Selection = Closed Loop Vector or PM Closed Loop Vector].
Usually it is not necessary to change this setting.
0
(0, 1)
0 : Reject RUN if b2-01<U1-05<E1-09
When motor speed ≥ b2-01 or motor speed < E1-09, the drive will not accept a Run command.
1 : Accept RUN Command at Any Speed
When motor speed ≥ b2-01 or motor speed < E1-09, the drive will accept a Run command.
■ b1-35: Digital Input Deadband Time
No.
(Hex.)
Name Description
Default
(Range)
b1-35
(1117)
Expert
Digital Input
Deadband Time
Sets the deadband time for MFDIs.
0.0 ms
(0.0 to 100.0 ms)
When the on/off time for MFDIs is longer than the time set in b1-35, the drive activates the MFDI. Set this
parameter to prevent malfunctions caused by relay chattering for applications in which relays send input to MFDI
terminals.
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