ABB 086349-504 External input module

Description

ABB 086349-504 External input module

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General servo has three control modes: position control mode, torque control mode, speed control mode.

1, 086349-504 Position control: Position control mode is generally through the frequency of the external input pulse to determine the size of the rotation speed, through the number of pulses to determine the rotation Angle, and some servo can be directly assigned to the speed and displacement through communication, because the position mode can have a very strict control of the speed and position, so it is generally used in positioning devices.

2, 086349-504 Torque control: torque control mode is to set the size of the external output torque of the motor shaft through the input of an external analog or direct address assignment, you can change the set torque size by immediately changing the analog setting, you can also change the value of the corresponding address by means of communication to achieve.

It is mainly used in winding and unwinding devices that have strict requirements on the hand of the material, such as winding devices or fiber pulling devices, and the torque setting should be changed at any time according to the change of the winding radius to ensure that the force of the material will not change with the change of the winding radius.

3, 086349-504 speed mode: through the analog input or pulse frequency can be carried out rotation speed control, in the upper control device of the outer loop PID control speed mode can also be positioned, but must the motor position signal or direct load position signal to the upper feedback for calculation. The position mode also supports the direct load outer ring to detect the position signal, at this time, the encoder at the motor shaft end only detects the motor speed, and the position signal is provided by the direct detection device at the final load end. This advantage is that the error in the intermediate transmission process can be reduced, and the positioning accuracy of the entire system can be increased.

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