1.7 H: Terminal Functions
142 YASKAWA ELECTRIC SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual
Setting 2: External Reference 1/2 Selection
The external reference 1/external reference 2 selection function allows the user to switch
between the frequency reference and Run command source between external reference 1 and
2.
Note: The default setting of the drive is not to allow switching between external reference 1 and 2
during run. Refer to b1-07: LOCAL/REMOTE Run Selection on page 45 if this feature is
required by the application.
Setting 3 to 5: Multi-Step Speed Reference 1 to 3
Used to switch Multi-Step Speed frequency references d1-01 to d1-08 by digital inputs.
Refer to d1-01 to d1-17: Frequency Reference 1 to 16 and Jog Reference on page 95 for
details.
Setting 6: Jog Frequency Reference Selection
Used to select the Jog frequency set in parameter d1-17 as active frequency reference. Refer
to d1-01 to d1-17: Frequency Reference 1 to 16 and Jog Reference on page 95 for details.
Setting 7: Accel/Decel Time Selection 1
Used to switch between accel/decel times 1 and 2. Refer to C1-01 to C1-08: Accel/Decel
Times 1 to 4 on page 77 for details.
Setting 8 and 9: External Baseblock (N.O.) and External Baseblock (N.C.)
Setting 8 or 9 assign the Baseblock command to digital input terminals. When the drive
receives a Baseblock command, the output transistor stop switching and the motor coasts to
stop. During this time, the alarm “bb” will flash on the LED operator to indicate baseblock.
When baseblock ends and a Run command is active, the drive performs Speed Search to get
the motor running again (Refer b3: Speed Search on page 50 for details).
Status Description
Open External reference 1 is used (defined by parameters b1-01 and b1-02)
Closed External reference 2 is used (defined by parameters b1-15 and b1-16)
Operation
Inputs
Setting 8 (N.O.) Setting 9 (N.C.)
Normal operation Open Closed
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