4 Trial Operation4-104.5 Trial Operation of Servomotor with BrakesObserve the following precautions when performing a trial operation of servomotor with brake.• When checking the brake operation, take advance measures to prevent vibration due to gravity acting on themachine or external forces.• Check the servomotor operation and holding brake operation with the servomotor separated from themachine. If both operations are correct, connect the servomotor to the machine and perform trial operation.Holding brake operation of the servomotor with brake can be controlled with the brake signal (/BK) of theSERVOPACK.For wiring on a servomotor with brakes and setting parameters, refer to 5.2.4 Holding Brakes.5Perform trial operation with the servomotor connected to the machine, followingeach section in 4.3 Trial Operation for Servomotor without Load from Host Refer-ence.Check that the trial operation is completed with as the trial operation for servomotorwithout load. Also check the settings for machine such as reference unit.4.3 Trial Operation forServomotor without Loadfrom Host Reference6 Check the settings of parameters for control method used set in step 2 again.Check that the servomotor rotates matching the machine operating specifications. −7Adjust the servo gain and improve the servomotor response characteristics, if neces-sary.6 Adjustments8Write the parameters set for maintenance in 10.4 Parameter Recording Table.Then the trial operation with the servomotor connected to the machine is completed.Note: If the optional digital operator is used, parameters can be saved. SigmaWin+,which is a tool for supporting the servo drive, can then manage the savedparameters in files.10.4 Parameter Record-ing Table(cont’d)Step Operation ReferenceNote: The servomotor will not be broken in completely during the trial operation.Therefore, let the system run for a sufficient amount of additional time toensure that it is properly broken in.Failures caused by incorrect wiring or wrong voltage application in the brake circuit maydamage the multi-winding drive system or cause an accident resulting in death or injury.Follow the procedures and instructions for wiring and trial operation precisely asdescribed in this manual.