BS7-PLC 用于PLC的转速计测试模块

6.2.3.- 用PLC进行仪表控制
TACHOMETERS TEST MODULE FOR PLC - BS7-PLC

創新系統

The "BS7-PLC" has been designed to study the linear and angular speed measurement techniques through a PLC.

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一般說明

The "BS7-PLC" has been designed to study the linear and angular speed measurement techniques through a PLC. This unit is unit with a miniature motor to move an axle at different speeds, being able to adjust de motor speed by changing the voltage that is supplied to the actuator motor. The speed of rotation can be measured using the various measuring transducers that are fixed to the axle. The tachometer output signal is conditioned to be connected to the PLC. The axle speed is controlled by the PLC in function of the signal obtained by a tachometer.

* Available PLC models of different manufacturers: PANASONIC, SIEMENS, OMRON, MITSUBISHI, ALLEN BRADLEY, etc.

練習和指導練習

手册中包含的指导实践练习

  1. DC Motor. Provide the group of sensors of the BS-7 module fixed to the central axle of the equipment with movement power.
  2. DC Tachometer. To use a DC motor as a tachometer to measure the revolutions of the BS-7 module central axle.
  3. Inductive Sensor.
  4. Retroreflective optical sensor. To measure the central axle revolutions of the module using a light reflection optical sensor.
  5. To obtain the central axle speed value using a slot optical sensor through light interruption.
  6. To obtain the central axle speed value using a Hall-effect position sensor.
  7. To measure the central axle revolutions of the module using the encoder.
  8. Using the analog inputs and outputs of the PLC to read and write analog signals.
  9. Read the tachometer signal with the PLC.
  10. Manual control of the actuator through the PLC.
  11. PID control of the angular speed value through the PLC.
  12. Observe the effects of the angular speed control to changes in the PID parameters.

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