5.2 Basic Functions Settings5-95 Operation5.2.4 Holding BrakesA holding brake is a brake that is used to hold the position of the movable part of the machine when the SER-VOPACK and converter are turned OFF so that movable part does not move due to gravity or external forces.Holding brakes are built into servomotors with brakes.The holding brake is used in the following cases.There is a delay in the braking operation. Set the following ON/OFF timing.• The brake built into the servomotor with brakes is a de-energization brake, which isused only to hold and cannot be used for braking. Use the holding brake only to holda stopped servomotor.ServomotorVertical ShaftHolding brakeShaft with External Force AppliedMovable part of machineHolding brakeMovable part ofmachineServomotorExternalforcePrevents the movable part (table)from moving due to external force.Prevents themovable part frommoving due to itsown weight when thepower is OFF.Rotation*1*20V*1*3Servo ON signal(/S-ON)Servomotor powerBrake signal (/BK)Brake contact part(lining)Position reference/Speed referenceMotor speedOFFOFFOFFOFFOFFOFFONONONBrake release Brake appliedBrake appliedAnalog
