Smart Coupler II

Smart Coupler II LE

(click on image for a closer look)

Specifications (apply to all models unless noted)

Autopilot output:

• Differential analog signal
• Plus and minus 150 mV full scale (selectable 1.25, 2.5, 5, or 10 NM off course)
• Not referred to ground
• Positive means turn right to return to course
• The transmitted output is cross-track error. This is an analog signal that represents the shortest distance from the current position to the selected ground track.
• There is a simple one-pole filter on the autopilot output with a time constant of approximately two seconds. No other filtering or integration is done in the Smart Coupler. Serial information is translated to analog information and immediately transmitted.

Serial input:

• Designed to decode NMEA-183 and Aviation Format transmitted signals
• 4800 and 9600 baud, 8 bits, no parity, 1 or 2 stop bits. Automatically determines baud rate.

External GPS OK output:

• Open collector transistor, 100 mA max. current, 60 V max. voltage, 1 watt max. power
• Only turns on when the Smart Coupler is decoding navigation information

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