Operation Example - Omron OMNUC G5 User Manual

7-2 Operation Example

Operation Timings to a Safety Status
Operation command (RUN) Servo ON
Safety input 1
*3
Safety input 2
Motor power is supplied.
EDM output
Dynamic brake relay
Servo ready completed output (READY)
Alarm output (ALM)
Brake interlock output (BKIR)
*1. t1 is the set value of the Brake Timing during Operation (Pn438), or the time needed for the motor
rotation speed to drop to or below the Brake Release Speed Setting (Pn439), whichever occurs first.
*2. The dynamic brake is based on the Stop Selection for Alarm Generation (Pn510) setting.
*3. Safety inputs 1 and 2 transition to the STO status when either one of them is turned OFF.
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
Normal status
max 5 ms
Power supply
max 6 ms
OFF
0.5 to 5 ms
*2
DB released
READY
Normal
Pn438 set value
Brake released
t1
Pn439
set value
Pn438
set value
Brake released
*1
t1
Pn439
set value
7-2 Operation Example
Servo OFF
STO status
No power supply
ON
DB engaged
Alarm
Brake held
*1
When the Pn438
set value is early
Brake held
When the timing of reaching the
Pn439 set value or lower is early
7
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