Mitsubishi Electric FR-A800, Instruction Manual

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Position control under vector control and PM sensorless vector control Parameters
5 - 174
The pulse monitor of the operation panel (FR-DU08)
●
The position command, current position and the status of droop pulses can be displayed on the
operation panel.
●
If displayed data has signs, minus signs appear for both upper and lower digits.
●
If –99999999 or 99999999 is exceeded on the pulse monitor, the monitor value is reset to 0.
Cumulative pulse monitor
●
When the plug-in option (FR-A8AP) or the control terminal option (FR-A8TP) is used, the accumu-
lated value of the encoder pulses can be monitored.
●
The cumulative pulse monitor is available when "71 to 74" is set in the monitor selection param-
eters (Pr.52, Pr.774, Pr.775, Pr.776, and Pr.992).
Negative values are not displayed on the operation panel. The values "-1 to -32767" are displayed
as "65535 to 32769" on the operation panel.
Display data Monitor display without signs Monitor display with signs
–10000
Lower monitor
Upper monitor
–100
Lower monitor
Upper monitor
Tab. 5-64: Pulse monitor
NOTE The pulse count starts at servo on.
Types of Monitor
Pr. 52,
Pr. 774 to Pr. 776,
Pr. 992
Display with
minus sign
Description
Cumulative pulse 71
4
The cumulative number of pulses is displayed
(monitor range: -32767 to 32767) (for FR-A8AP).
Cumulative pulse
overflow value
72
4
The number of the cumulative pulse carrying
overflow times is displayed (for FR-A8AP).
Cumulative pulse
(control terminal option)
73
4
The cumulative number of pulses is displayed
(monitor range: -32767 to 32767) (for FR-A8TP).
Cumulative pulse
carrying overflow times
(control terminal option)
74
4
The number of the cumulative pulse carrying
overflow times is displayed (for FR-A8TP).
Tab. 5-65: Cumulative pulse monitor