Return Timing From Safety State - Panasonic MINAS-A5B Series Technical Reference

8-3-2 Return timing from safety state

Servo-ON input
（SRV-ON）*1
Safety input 1
Safety input 2
Motor energization
EDM output
Dynamic brake
Servo-Ready output
（S-RDY）
Servo-Clear intput
（A-CLR）*1
Servo-Alarm output
（ALM）
External brake
release output
(BRK-OFF)
*1 Photocouplers for safety input 1 and 2 should be turned on again with servo-on input turned off. Otherwise, alarm
occurs, and should be cleared.
Alarm clear should be performed after the safety input 1 and 2 have been turned back to on. Otherwise, alarm occurs.
*2 This is an alarm condition and the dynamic brake operates according to Pr 5.10 (Sequence at alarm).
*3 This is normal servo-off condition and the dynamic brake operates according to Pr 5.06 (Sequence at Servo-Off).
R1.05
Photocoupler is OFF.
(Servo-OFF command)
Photocoupler is
Photocoupler is ON.
OFF.
Not-energized
Max 6ms
output coupler
ON
Released/engaged *2
Generated alarm
Photocoupler is OFF. (Not ready)
Photocoupler is OFF.
Photocoupler is OFF. (Alarm)
Photocoupler is OFF. (Break engage)
Photocoupler is OFF.
Released/engaged
*3
Max 2ms
Servo-OFF
Photocoupler is
ON. (Ready)
Photocoupler is ON.
Photocoupler is ON.
(Not alarm)
Motor Business Division, Appliances Company, Panasonic Corporation
No. SX-DSV02472 -
Photocoupler is ON.
(Servo-ON command)
Once the servo on
command is
input, the
operation
proceeds in
synchronous with
normal servo
on/off timing.
(Refer to 9-2
"Timing Chart")
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