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IS810N-INT Series Servo System User Manual (Brief) Chapter 4 Wiring
4.5 Brake Wiring
A brake is used to lock the motor in position when the servo drive is shut down to prevent the 
moving part of the machine from falling by gravity or being moved by external force.
Figure 4-15 Positions of brake wiring terminals
BRAKE
-OUT
BRAKE
-COM
Brake terminal
Figure 4-16 Application of a motor brake
External force 
Prevent movement of workbench 
due to external force 
Servo motor  
(built-in motor brake) 
Servo motor  
(built-in motor brake) 
Prevent falling due 
to gravity when the 
power is off