Mitsubishi Electric FR-A800 Series Instruction Manual page 324

Clearing condition
Servo-OFF (LX-OFF)
(output shutoff)
Clear signal input
Home position return
completed
When position control is
switched to other control
mode
Clear signal input
(under the control mode
other than position
control)
○: cleared, ×: not cleared
*1 The droop pulses are not cleared.
*2 The CLR/CLRN signal is input when a value other than "1" is set in Pr.419, and the signal is input through terminal CR of the FR-A8AL when
Pr.419 = "1".
*3 Pulses are cleared when a clear signal is input. (The home position information is not retained.)
*4 Pulses are cleared only when the home position return is completed. Once the pulses are cleared, they are not cleared even if the LX signal is
turned ON.
*5 The data is cleared when absolute position control is disabled.
*6 The home position return is not available.
*7 The following shows the example of the clearing the value of the current position 2 monitor under the control mode other than the position control
mode.
Monitoring of
current position 2
NOTE
• The monitor value of the current position 2 is not cleared when switching between the first and second motors.
• For details on the special register for the PLC function, refer to the PLC Function Programming Manual.
 Pulse monitoring on 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.
Display data
-10000
-100
NOTE
• The pulse count starts at servo on.
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0 10
× × ×
*2 *3
○ ○
○
× × ○
○ ○ ○
× × ×
MC ON OFF
STF ON
Monitor value
updated
0
Position Other than position
control control (speed)
Not cleared to 0 at
the control switchover
Monitor display without signs
Lower monitor
Upper monitor
Lower monitor
Upper monitor
search engine
Current position 2
Pr.419 setting
100 110 1, 2 1110
× × ×
*3 *5
○
○ ×
*6
○ ○
—
○ ○ ○
× × ×
ON STF
CLR
Monitoring of
current position 2
0
Position
control
Not cleared to 0 at
the control switchover
Monitor display with signs
5.5 Position control under vector control and PM sensorless vector control
200 210 300
× × ×
○ ○ ○
× × ○
*7 *7 *7
× × ×
*7 *7 *7
○ ○ ○
ON OFF
OFF
Cleared to 0
by turning ON
of the CLR signal
Other than position control (speed)
1
310 1310
× ×
2
*5
○
×
○ ○
3
*7 *7
× ×
4
*7 *7
○ ○
5
6
7
ON
8
9
10
323
5. PARAMETERS