Transversal Atmospheric Dispersion Compensator

 


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This function will not be implemented in the initial phase of the project, but at a later stage. However interface requirements related to reserved space, cable routing, plug design, etc... apply.

 

  • Control of the Transversal Atmospheric Dispersion Compensator.
    The motor and tacho are connected to the ESO standard VME4SA Servo Amplifier and the encoder to MAC4 Motion Controller. The tacho generator is mounted on the motor. The velocity loop is closed in the amplifier. There are two switches; one of them is used as a reference switch.


  • The control is deployed on the Azimuth LCU.
  • This sub-system belongs to the ESO delivery.
  • The device is connected to the Terminal Block Y20.

Transversal Atmospheric Dispersion Compensator drive interfaces:

The pin assignment on Terminal Block Y20 will be identical to the ones used on the Coude Beam Splitting device.

The connection layout and pin assignment of Y20 is given in Annex 1 VLT-DWG-ESO-15154-1770

Last modified:Wed 13-Dec-2000 16:53