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7 Applied Functions
G5-series Linear Motors/Servo Drives With Built-in EtherCAT Communications
7-5 Brake Interlock
7
7-5-2 Operation Timing
*1 The servo does not turn ON until the motor speed drops to approximately 30 mm/s or below.
*2 The Brake Interlock Output (BKIR) turns ON either when a release request is received via servo controls or
when a release request is received via EtherCAT communications. The above example shows when there is no
brake release request from EtherCAT communications.
The BKIR signal is assigned to the general-purpose output (CN1).
Note After the error has been reset, the system enters the servo OFF state (motor not energized). To turn ON the
servo, send a servo ON command again after resetting the error, according to the above timing.
Operation Timing When Resetting Errors
4 ms
ON
OFF
OFF
ON
OFF
ON
OFF
ON
READY
OFF
ON
OFF
ON
OFF
ON
16 ms or more
Servo Ready
Output (READY)
Error Output
(/ALM)
0 ms or more
Servo ON/OFF Servo ON
*1
2 ms or more
Approx. 60 ms
Brake Interlock
Output (BKIR)
*2
Approx. 100 ms
No power supply
Dynamic
Brake
Motor Power
Supply
Operation
Command Input
Servo OFF
Input prohibited Input allowed
Request to release brake
Brake operation
Error Reset
Command
Reset
Brake released
Brake operation
Error Normal
Power supply
Released
Engaged
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