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General Dynamics SATCOM Technologies (GDST) developed the Model 7133B Antenna Controller for applications requiring low cost and dependable manual antenna positioning for small and medium aperture antennas. The 7133B provides 3-axis (AZ, EL, and POL) control.
Highly reliable, brushless resolvers at the antenna provide accurate position data to resolver-to-digital converters in the rack-mounted Antenna Control Unit (ACU). DIP switches in the ACU provide convenient position offset adjustment without the necessity for tedious manual shaft adjustment at the antenna.
On the control panel, 7-segment displays simultaneously indicate all axis positions. Momentary contact switches change the position of the antenna with single-speed, real-time drive control. LED’s indicate if any of the limit switches trip or if the emergency stop button is engaged.
Key Features:
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Simultaneous 3-axis real-time control and position display
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Front panel, itemized limit / E-stop indications
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“Local” drive cabinet control (standard)
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NEMA-rated motor control components and overcurrent protection
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Brushless resolvers and monolithic resolver-todigital encoding electronics
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NEMA 4X-rated drive cabinet enclosure
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Limit switch interlocks in each direction of travel