Yaskawa AC Drive Z1000 AC Drive HVAC Fan - Manual (Page 28)

Min output
frequency
100%
(Max output
frequency)
Output frequency
when Stop command
was entered
Run wait time t
Active deceleration time
Min Baseblock Time (L2-03)
Figure 1.7 Run Wait Time Depending on Output Frequency
n b1-04: Reverse Operation Selection
Enables and disables Reverse operation. For some applications, reverse motor rotation is not appropriate and may cause
problems (e.g., air handling units, pumps, etc.).
No. Parameter Name Setting Range Default
b1-04 Reverse Operation Selection 0, 1 1
Setting 0: Reverse Enabled
Possible to operate the motor in both forward and reverse directions.
Setting 1: Reverse Disabled
Drive disregards a Reverse run command or a negative frequency reference.
n b1-08: Run Command Selection in Programming Mode
As a safety precaution, the drive will not normally respond to a Run command input when the HOA keypad is being used to
adjust parameters in Programming Mode (Verify Menu, Setup Mode, Parameter Settings Mode, and Auto-Tuning Mode). If
required by the application, set b1-08 to allow the drive to run while in Programming Mode.
No. Parameter Name Setting Range Default
b1-08 Run Command Selection in Programming Mode 0 to 2 0
Setting 0: Run Command Is Not Accepted in Programming Mode
A Run command is not accepted while the HOA keypad is in Programming Mode.
Setting 1: Run Command Is Accepted in Programming Mode
A Run command is accepted in any HOA keypad mode.
Setting 2: Prohibit Entering Programming Mode during Run
It is not possible to enter the Programming Mode as long as the drive output is active. The Programming Mode cannot be
displayed during Run.
n b1-11: Drive Delay Time Setting
If a time is set to b1-11, the drive will delay executing a Run command until the set time has expired. During Drive Delay
Time execution, the HOA keypad will display “WrUn”. Both Alarm and Run indicators will blink while the drive waits to
execute the Run command.
No. Parameter Name Setting Range Default
b1-11 Drive Delay Time Setting 0 to 600 s 0
n b1-14: Phase Order Selection
Sets the phase order for drive output terminals U/T1, V/T2, and W/T3.
Switching motor phases will reverse the direction of the motor.
No. Parameter Name Setting Range Default
b1-14 Phase Order Selection 0, 1 0
1.2 b: Application
28 YASKAWA ELECTRIC SIEP YAIZ1U 03A YASKAWA AC Drive – Z1000 Programming Manual