Panasonic MINAS A5-series, Operating Instructions Manual

Page: 302 / 394

7-6
7
1. Safety function
Supplement
Timing Chart
Operating timing for safety status
* 1 t1 is the value set to Pr4.38 Setup of mechanical brake action at running or the time
at which the motor revolution speed drops below the time set to Pr4.39 Brake release
speed setup, whichever comes first.
* 2 Dynamic brake operates to the setting of Pr5.10 Sequence at alarm.
* 3 When safety input 1 or 2 turns off, the state changes to STO condition.
input coupler OFF
(Servo-OFF command)
input coupler ON
(Servo-ON command)
output coupler OFF
(not ready)
output coupler ON
(ready)
output coupler OFF
(Alarm)
output coupler ON
(not Alarm)
output coupler OFF
(Break engage) output coupler ON
(Break release)
output coupler OFF
(Break engage) output coupler ON
(Break release)
input coupler ON
output coupler OFF
energized not-energized
released engaged
Servo-ON input
(SEV-ON)
Motor energization
Dynamic brake
* 2
Servo-Ready output
(S-RDY)
Servo-Alarm output
(ALM)
External brake
release output
(BRK-OFF)
when time to fall
below value of
Pr4.39 is shorter,
when setup
value of Pr4.38
is shorter,
t1
* 1
t1
* 1
input coupler OFF (STO)
output coupler ON
Safety input 1
Safety input 2
* 3
EDM output
max 5ms
max 6ms
0.5 to 5ms
Setup value of Pr4.38
Setup value of Pr4.38
motor speed
Setup value of Pr4.39
motor speed
Setup value of Pr4.39
Related page
• P.4-41 “Pr4.38, Pr4.39” • P.4-45 “Pr5.10”