Mitsubishi Electric FR-F740 EC Instruction Manual page 344

Frequency setting by analog input (terminals 1, 2 and 4)
Perform forward/reverse rotation by analog input (polarity reversible operation)
Setting any of "10 to 17" in Pr. 73 enables polarity reversible operation.
Providing ± input (0 to ±5V or 0 to ±10V) to the terminal 1 enables forward/reverse rotation op-
eration according to the polarity.
Reversible
reversible
6 - 194
Set frequency
[Hz]
Reverse Forward
rotation rotation
Not
Terminal 1 input
Fig. 6-114:
Compensation input characteristic when STF
is on
Parameter
I001185E