YASKAWA SGD7S Product Manual page 168

5.11 Holding Brake
5.11.4 Output Timing of /BK (Brake) Signal When the Servomotor Is Operating
The brake operates when either of the following conditions is satisfied:
• When the Motor Speed Goes below the Level Set in Pn507 for a Rotary Servomotor or in
Pn583 for a Linear Servomotor after the Power Supply to the Motor Is Stopped
Servo OFF command
(Enable = 0), alarm,
or power OFF
Motor power status
• When the Time Set In Pn508 Elapses after the Power Supply to the Motor Is Stopped
Servo OFF command
(Enable = 0), alarm,
or power OFF
Motor speed
Motor power status
Important
5-34
Servo ON


Motor speed
Power
supplied.
/BK signal ON (Brake released.) OFF (Brake applied.)
Servo ON
Power
supplied.
ON (Brake released.)
/BK signal
Pn508
The Servomotor will be limited to its maximum speed even if the brake reference output speed
level (Rotary Servomotor: Pn507, Linear Servomotor: Pn583) is higher than the maximum speed.
Servo OFF
Rotary Servomotor: Pn507
Linear Servomotor: Pn583
Motor stopped with dynamic
brake or by coasting
(Pn001 = n.X)
Power not
supplied.
Pn508
Servo OFF
Rotary Servomotor: Pn507
Linear Servomotor: Pn583
Motor stopped with dynamic
brake or by coasting
(Pn001 = n.
Power not supplied.
OFF (Brake applied.)
X)