Mitsubishi Electric FR-A820-00046 Instruction Manual page 355

Parameters
Cumulative pulse division scaling factor (Pr. 636, Pr. 637)
● Set the division scaling factor on the cumulative pulse in Pr. 636 or Pr. 637.
● Cumulative pulse count value calculation method
(Cumulative pulse count value) = (Cumulative pulse division scaling factor) x ((Cumulative pulse
overflow times) x 32768 + (Cumulative pulse monitor value))
Cumulative pulse count value: Number of pulses multiplied by 4
Cumulative pulse division scaling factor: Pr. 636 or Pr. 637
Cumulative pulse monitor value clear (Pr. 635)
● The cumulative pulse monitor and the cumulative pulse overflow times can be cleared by X52
signal or X53 signal.
● To input the X52 or X53 signal, set "52 (X52)" or "53 (X53)" in any of Pr. 178 to Pr. 184 (input terminal
function selection) to assign the function to a terminal.
● Use Pr. 635 "Cumulative pulse clear signal selection" to select the clearing method for the
cumulative pulse monitor and the cumulative pulse overflow times.
Pr. 635
0
1
2
3
Tab. 5-66:
Cumulative pulse
Cumulative pulse
overflow times
Clear signal
(X52, X53)
Fig. 5-70:
FR-A800
Position control under vector control and PM sensorless vector control
X52 signal
Cumulative pulse monitor clear
Cleared at the edge when the signal is switched to ON. Cleared at the edge when the signal is switched to ON.
Cleared while the signal is ON.
Cleared at the edge when the signal is switched to ON.
Cleared while the signal is ON.
Pr. 635 settings
Cleared at the ON edge
Clearing condition
Cleared at the edge when the signal is switched to ON.
Cumulative pulse
Cumulative pulse
overflow times
Clear signal
ON
(X52, X53)
X53 signal
Cumulative pulse monitor clear
(control terminal option)
Cleared while the signal is ON.
Cleared while the signal is ON.
ON
Cleared while the signal is ON
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