Mitsubishi Electric FR-A800 Series Instruction Manual page 367

NOTE
• Masking of the data output and sampling of the output current are not performed during acceleration/deceleration.
• If constant speed changes to acceleration or deceleration during start pulse output, it is judged as invalid data, and the signal
maintains HIGH start pulse output for 3.5 seconds and LOW end pulse output for 16.5 seconds. After the start pulse output is
completed, minimum 1-cycle signal output is performed even if acceleration/deceleration is performed.
Start pulse
Output as high pulse shape for 3.5 s
• If the output current value (inverter output current monitor) is 0 A at the completion of the 1-cycle signal output, no signal is
output until the next constant-speed state.
• Under the following conditions, the Y93 signal maintains LOW output for 20 seconds (no data output).
• Pr.686 Maintenance timer 2 and Pr.688 Maintenance timer 3 cannot be output.
• Changing the terminal assignment using Pr.190 to Pr.196 (Output terminal function selection) may affect the other
functions. Set parameters after confirming the function of each terminal.
Parameters referred to
Pr.57 Restart coasting
Pr.190 to Pr.196 (Output terminal function
Pr.503 Maintenance timer 1, Pr.686 Maintenance timer 2, Pr.688 Maintenance timer
366
5. PARAMETERS
5.7 (E) Environment setting parameters
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Output frequency
Previous cycle
Y93
signal
- When acceleration or deceleration is operating at the completion of the 1-cycle signal output
- When automatic restart after instantaneous power failure (Pr.57 Restart coasting time ≠ "9999") is set, and the 1-
cycle signal output is completed during the restart operation.
- When automatic restart after instantaneous power failure (Pr.57 ≠ "9999") is set, and the restart operation was being
performed at the completion of data output masking.
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The speed is changed to deceleration from
the constant speed during start pulse output
Invalid cycle (20 s) Next cycle
End signal
Output as low pulse shape for 16.5 s
3page 363
Time