Mitsubishi Electric FR-F720-0.75K to 110K Instruction Manual page 173

Frequency setting by analog input (terminal 1, 2, 4)
Reverse Set frequency
(Hz)
rotation
60
Reversible
Not reversible
-5 0 Terminal 1 input (V)
(-10)
Compensation input characteristic
when STF is on
♦ Parameters referred to ♦
Pr. 22 Stall prevention operation level
Pr. 125 Terminal 2 frequency setting gain frequency, Pr. 126 Terminal 4 frequency setting gain frequency
Pr. 252, Pr. 253 Override bias/gain
164
(4) Perform forward/reverse rotation by analog input
(polarity reversible operation)
Forward
rotation
⋅ 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 operation according to the polarity.
+5
(+10)
Refer to page 77
Refer to page 165
Refer to page 167