Reverse Rotation Prevention Selection (Pr. 78) - Mitsubishi Electric FR-A520-2.2K Instruction Manual

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Reverse rotation prevention selection (Pr. 78)

Pr. 78 "reverse rotation prevention selection"
This function can prevent any reverse rotation fault resulting from the misoperation of the start signal.
Used for a machine which runs only in one direction, e.g. fan, pump.
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(The setting of this function is valid for the PU, external and communication operations.)
Parameter
Factory Setting
Number
78 0
<Setting>
Pr. 78 Setting
0
Both forward and reverse rotations allowed
1
Reverse rotation disallowed
2
Forward rotation disallowed
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Setting Range
0, 1, 2
Function
100
PARAMETERS