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Antenna Control Unit

ACU is a state-of-the-art technology product designed with state of art motion control techniques to provide simultaneous control of the tracking antenna in Az & El axes. It is a Type-II control unit which takes both rate & position feedbacks for calculating the Servo loop compensation values by using customized algorithms. The unit is programmable for Manual, Slew, Auto, Slave, File & GPS track through a menu driven from the front panel. This advanced tracking controller is built-in with scan code generator, secant correction, encoder logic etc. This unit is developed for critical tracking applications.

Applications

  • High performance Motion control
  • Any type of motion control system
  • Digital type II closed loop control system
  • Graphical displays, Error cross-hair window, Signal level bar displays and Programmable parameter display
  • Safety software position limits for avoiding damage to the antenna pedestal.
  • Reliability and maintainability in critical applications.
  • Bar graph display for tracking errors
    • Bar graph display of SNR
    • Built-in Diagnosis test
    • Keypad and mouse
    • Computer with GUI for configuration, monitoring and control
  • Communication UDP interface with remote computer
Functional
Type Digital type II control system
Operating modes Standby, Slew, Manual, Point, Search, Slave, File/Auto track
Position resolution 0.01o
Safety Limits Configurable soft limits
Position Accuracy 0.01o
Limit inputs 0 or 24V DC
AZ & EL DC error output ±10V DC to drive
Display TFT
Acquire/Loss Status TTL
Encoder Interface RS422
Communication Interface RS232/USB/Ethernet
Scan Frequency 500 Hz/1 KHz (selectable)
Input AGC 0 to +10 Volts
Multiplication factor 0 to 9.9 selectable
Error outputs 0 to +10 Volts, AZ & EL
User Interface Thumb wheels and Joy-stick for Az position and velocity commands respectively
Electrical
Power 230 VAC, 50 Hz, Single Phase
Mechanical
Mounting 19-inch 6U Rack mountable
Size 485 L X 485 D X 264H in mm
Weight < 20Kg
Environmental
Operational Temp 0oC to +50oC
Temperature - Storage -10oC to +60oC
Humidity 90% RH Non-Condensing

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