4-2 Function Mode Soft Lock Function Use this function to prohibit writing of each parameter. This helps prevent data rewrite due to erroneous operation. For the soft lock selection through the signal input from the terminal (b031 = 00 or 01), refer to the Soft Lock Function of the Multi-function Input section in "Soft Lock Function" (page 4-55). 4 Functions Momentary Power Interruption Non-stop Function This function decelerates the Inverter to a stop to avoid a trip or free running in case of power supply disconnection or momentary power interruption during operation. 4-33 Parameter No. Function name Data Default setting Unit b031 Soft lock selection 00:
Data other than b031 cannot be changed when terminal SFT is ON. 01: Data other than b031 and specified frequency parameters cannot be changed when terminal SFT is ON. 02: Data other than b031 cannot be changed. 03: Data other than b031 and the specified frequency parameter cannot be changed. 10: Data other than parameters changeable during operation cannot be changed. 01 ⎯ Related functions SFT input Parameter No. Function name Data Default setting Unit b050 Selection of non-stop function at momentary power interruption 00: Disabled 01: Enabled (Stop) 02: Enabled (Restart) 00 ⎯ b051 Starting voltage of non-stop function at momentary power interruption 0.0 to 1000.
1.0 V b052 Stop deceleration level of non-stop function at momentary power interruption 0.0 to 1000. 0.0 V b053 Deceleration time of non-stop function at momentary power interruption 0.01 to 99.99 100.0 to 999.9 1000. to 3000. 1.00 s b054 Deceleration starting width of non-stop function at momentary power interruption 0.00 to 10.00 0.00 Hz