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4 POSITIONING DEDICATED SIGNALS
4.1.5 Synchronous encoder axis statuses
(1) Error detection signal (M4640+4n) .............................. Status signal
(a) This signal turns on when a minor error or major error is detected in a
synchronous encoder or output module connected to the synchronous
encoder.
It is used as judgement of the error available/not available by turning the
error detection signal on/off.
(b) When the error detection signal turns on, the applicable error code is stored
in the error code storage register.
• Minor error code
(Note-1)
… Stored in the minor error code storage register
(Note-2)
• Major error code
(Note-1)
… Stored in the major error code storage register
(Note-2)
The judgement of the synchronous encoder/output module for detected error
can be confirmed by the error code details or turning the error detection
signal of output module on/off.
(c) When the error reset command (M5440+4n) turns on in the state where the
synchronous encoder or output module connected to the synchronous
encoder is normal, the error detection signal turns off.
(2) External signal TREN (M4641+4n) .............................. Status signal
(a) This signal is used for clutch control in the external input mode. It turns on by
turning on the Q173DPX "TREN" input terminal, and indicates the input
ON/OFF state of the "TREN" terminal.
Q172DEX dose not turn ON regardless of the input status of TREN terminal.
(3) Virtual mode continuation operation disabled warning signal
(M4642+4n) .................................................................. Status signal
(a) When the inputted current value at the power supply on of the Multiple CPU
system differs from the memorized current value (Final current value in
virtual mode operation) at the power supply off of the Multiple CPU system,
like the absolute synchronous encoder is moved during the power supply off
of the Multiple CPU system, this signal turns on.
The validity of continuation operation in virtual mode can be confirmed at the
power supply on or resetting of the Multiple CPU system.
REMARK
(Note-1): Refer to APPENDIX 1.4 for details of the minor/major error code for the
synchronous encoder.
Refer to APPENDIX 1.6 for details of the minor/major error code for the output
module.
(Note-2): Refer to Section 4.2.5 for details of the minor/major error code storage register.
Содержание Q Series
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