7 ABSOLUTE POSITION DETECTION SYSTEM
7.3 Absolute position detection system by DIO [A]
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7
■Alarm cancellation
If an alarm occurs, detect ALM and turn off SON. While an alarm is occurring, ABSM is not received. After removing the alarm
factor, cancel the alarm and then turn on ABSM. During reset, ABSM is received.
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
100 ms
OFF
ON
OFF
ON
OFF
ON
SON (Servo-on)
RES (Reset)
ABSM (ABS transfer mode)
During ABS transfer
ABSR (ABS request)
ABST (ABS transmission data ready)
ABSB0 (ABS transmission data bit 0)
ABSB1 (ABS transmission data bit 1)
Absolute position
data
Base circuit
ALM (Malfunction)
RD (Ready)
Operation
possible
Alarm occurrence
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