4.2.36 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.
(The setting of this function is valid for the PU, external and communication operations.)
Parameter
Factory
Number
Setting
78
<Setting>
Pr. 78 Setting
0
Both forward and reverse rotations allowed
1
Reverse rotation disallowed
2
Forward rotation disallowed
Setting Range
0
0, 1, 2
Function
Related parameters
Pr. 79 "operation mode selection"
106
PARAMETERS