Mitsubishi FR - S500 Reverse rotation prevention selection, Operation mode selection

2.10.9 Reverse rotation prevention selection

This function can prevent any reverse rotation fault resulting from the incorrect input of the start signal.

POINT

Used for a machine which runs only in one direction, e.g. fan, pump. (The setting of this function is valid for the combined, PU, external and communication operations.)

Parameter	Name	Factory	Setting	Remarks
		Setting	Range
	Reverse rotation
78	prevention	0	0, 1, 2	Setting is enabled when Pr. 30 = "1"
	selection

<Setting>

Pr. 78 Setting Function

0Both forward and reverse rotations allowed

1Reverse rotation disallowed

2Forward rotation disallowed

2.10.10 Operation mode selection

Used to select the operation mode of the inverter.

The inverter can be run from the control panel or parameter unit (PU operation), with external signals (external operation), or by combination of PU operation and external operation (external/PU combined operation).

The inverter is placed in the external operation mode at power-on (factory setting).

Parameter	Name	Factory Setting	Setting Range
79	Operation mode selection	0	0 to 4, 7, 8

98