Machine Protection
6-37
îš‹ Limiting Motor Rotation Direction and Output Phase Rotation
If the motor reverse rotation is prohibited, a reverse run command will not be accepted, even if it is input. Use
this setting for applications in which reverse motor rotation can cause problems (e.g., fans, pumps, etc.)
It is also possible to change the output phase order by changing b1-04 to 2 or 3. This much easier and faster
than changing the wiring if the motor rotational direction is wrong.
îš„Related Parameters
Settings
• Setting 0: Both operation directions are enabled for the Inverter.
• Setting 1: Reverse operation is not enabled, a reverse RUN command is disregarded.
• Setting 2: Both operation directions are enabled, two output phases are exchanged
• Setting 3: Reverse operation is not enabled, a reverse RUN command is disregarded. Additional two out-
put phases are exchanged.
Parameter
Number
Name
Setting
Range
Factory
Setting
Change
during
Operation
Access
Level
b1-04 Prohibition of reverse operation 0 to 3 0 No A
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