Sigma-II Series SGM*H/SGDH USER'S MANUAL - Esco Drives ...

8 Operation8.3.4 Setting for Holding Brakes(5) Setting the Brake ON Timing When Servomotor RunningThe following parameters can be used to change the /BK signal output conditions when a stop reference is outputduring servomotor operation due to the servo OFF or an alarm occurring.Pn507Brake Reference Output Speed LevelSpeed Position TorquePn508Setting Range Setting Unit Factory Setting Setting Validation0 to 10000 min -1 100 ImmediatelyTiming for Brake Reference Output during Motor Operation Speed Position TorqueSetting Range Setting Unit Factory Setting Setting Validation10 to 100(100 to 1000 ms)/BK Signal Output Conditions When ServomotorRunningThe /BK signal goes to high level (brake ON)when either of the following conditions is satisfied:• When the motor speed falls below the level setin Pn507 after the servo OFF.• When the time set in Pn508 is exceeded afterthe servo OFF.10 ms 50(500 ms)/S-ON inputOr alarm orpower OFFMotor speed/BK outputServo ONBrake releasedServo OFFPn507Brake heldPn508Immediately(Motor stopped by applyingDB or by coasting.)Pn001.0• IMPORTANT• The servomotor will be limited to its maximum speed even if the value set in Pn507 is higher than the maximum speed.• Allocate the running output signal (/TGON) and the brake signal (/BK) to different terminals.• If the brake signal (/BK) and running output signal (/TGON) are allocated to the same output terminal, the /TGON signalwill go to low level at the speed at which the movable part drops on the vertical axis, which means that the /BK signal willnot go to high level even if the conditions of this parameter are met. (This is because signals are output with OR logicwhen multiple signals are allocated to the same output terminal.) For output signal allocations, refer to 7.3.3 Output CircuitSignal Allocation.8-24