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4 POSITIONING SIGNALS
(5) Zero pass signal (M2406+20n)
This signal turns on when the zero point is passed after the power supply on of
the servo amplifier.
Once the zero point has been passed, it remains on state until the CPU has
been reset.
However, in the home position return method of proximity dog, count, dog cradle
or limit switch combined type, this signal turns off once at the home position
return start and turns on again at the next zero point passage.
(6) Error detection signal (M2407+20n)
(a) This signal turns on with detection of a minor error or major error, and it is
used as judgement of the error available/not available.
The applicable error code
(Note-1)
is stored in the minor error code storage
register with detection of a minor error. (Refer to Section 4.2.1)
The applicable error code
(Note-2)
is stored in the major error code storage
register with detection of a major error. (Refer to Section 4.2.1)
(b) This signal turns off when the error reset command (M3207+20n) turns on.
Error detection signal
(M2407+20n)
Error reset command
(M3207+20n)
ON
OFF
OFF
ON
Error detection
REMARK
(Note-1): Refer to APPENDIX 1.2 for the error codes with detection of minor errors.
(Note-2): Refer to APPENDIX 1.3 for the error codes with detection of major errors.
(7) Servo error detection signal (M2408+20n)
(a) This signal turns on when an error occurs at the servo amplifier side (except
for errors cause of alarms and emergency stops)
(Note-1)
, and it is used as
judgement of the servo error available/not available.
When an error is detected at the servo amplifier side, the applicable error
code
(Note-1)
is stored in the servo error code storage register (Refer to
Section 4.2.1).
(b) This signal turns off when the servo error reset command (M3208+20n)
turns on or the servo power supply turns on again.
Servo error detection signal
(M2408+20n)
Servo error reset command
(
M3208+20n
)
ON
OFF
OFF
ON
Servo error detection