ABB PFVL141R Tension sensor

Sends power to the motor. This is the normal RUN state. (this is called the 4state)Sets the motor to a “non-powered” state. Operation is not possible (this is the Servo OFF state). Do not perform Servo OFF while the motor is running except during an emergency stop.DB OFF Input Sequence Input Signal: The basic connection and handling method for the (DB OFF) signal is shown below. This is used to forcibly release the “DB stop state” during Servo OFF from the upper-level device.RUN Signal Output Photocoupler Output Signal: The basic connection method and handling method for the “RUN” signal is shown below. This output signal indicates that the base block on the output inverter is released, and power is being applied to the motor.Photocoupler Output per Output Max. Use Voltage: DC30V Max. Output Current: DC50mA

Encoder Signal Output

 The output signal following division within the digital torque amplifier of the encoder output1 can be output to an external device.This divides the pulses from the motor encoder (PG) by the number of pulses set there, then outputs it. The setting value is the number of output pulses per motor rotation. Set this to match the command unit of the machine controller. The setting range differs according to the encoder used.

Regenerative Resistor Selection 

When the servomotor is operated in electrical generator mode, the servo amplfier will absorb electrical power. This is called regenerative power. Although the regenerative power is absorbed by charging the smoothing capacitor of the digital torque amplifier, the regenerative power will be further consumed by the regen resistor if the chargeable energy limit of the capacitor is exceeded. The servomotor is operated in the regen (electrical generator) mode in the following situations: • Deceleration to stop time during acceleration/deceleration operation • Vertical axis load • Continuous operation where the servomotor continues rotating from the load side (overhauling load)

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