RC4500 Antenna Controller Chapter 3 Mechanical & Electrical Installation
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J14 provides a double row of pins. The bottom 16 pins are designated "J14B" and is typically allocated to
supporting limit switch feedback from the elevation axis. The mating connector for the
Computing/Interface Board position J14B is Phoenix p/n 1952403.
3.4.2.3.4 Elevation Limits
If present, the elevation up switch must be open when the elevation axis has reached the up limit. If the
elevation up limit switch cable is severed, the RC4500 will think that the elevation axis is at the up limit.
Logic within the RC4500 will not allow the elevation axis to move up if an up limit condition is recognized.
If present, the elevation down switch must open when the elevation axis has reached the down limit. If the
elevation down limit switch cable is severed, the RC4500 will think that the elevation axis is below the
down limit. Logic within the RC4500 will not allow the azimuth axis to move down when the elevation
down condition is recognized.
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