Mitsubishi Electric FR-A700 Instruction Manual page 527

Parameter
Connection and parameter setting
Remove the jumpers across terminals R/L1-R1/L11 and across terminals S/L2-S1/L21, and
connect the terminal R1/L11 to the terminal P/+ and the terminal S1/L21 to the terminal N/− (the
inverter's internal control circuit is then powered by the DC bus).
When Pr. 261 is set to "1" or "2", the inverter decelerates to a stop if an under voltage or power
failure occurs.
Remove the jumpers!
R1/L11 and P/+ and
Operation outline of deceleration to stop at power failure
If an under voltage or power failure occurs, the output frequency is dropped by the frequency set
to Pr. 262 .
Deceleration is made in the deceleration time set to Pr. 264. (The deceleration time setting is the
time required from Pr. 20 "Acceleration/deceleration reference frequency" to a stop.)
When the frequency is low and enough regeneration energy is not provided, for example, the
deceleration time (slope) from Pr. 265 to a stop can be changed.
Fig. 6-164: Parameters for stop selection at power failure
FR-A700 EC
Power
supply
Short terminals
S1/L21 and N/−
Power
supply
Output
frequency
Pr. 266
Fig. 6-163:
Inverter
Connection
Pr. 262
Time
Operation selection at power failure
Pr. 264
Pr. 265
I001172E
I001173E
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