For Your Safe Flight Page 19
Navigation Data (output of GPS; input to FS-450)
Compatible with RS-232, TTL, RS-423, RS-422 SDA.
Serial data format 8 data, 1 start, no parity. Baud rates: 1,200, 4,800, or
9,600 depending on the GPS data output format. The FS-450 automatically
detects the GPS data output format and is independent of the GPS-C setting.
Fuel Data (input to GPS; output of FS-450)
Serial data format 8 data, 1 start, no parity. Baud rate: 9,600.
Output format is determined by the GPS-C setting, but may be over-ridden
by the GPS navigation format: If the FS-450 senses Northstar or
NMEA-183 navigation data input, there will be no fuel data output.
Section 8 - Rear Panel Connector Pin Assignments
Rear Fuel Flow 9-pin connector
Pin no. Function
1 Power 12-28VDC (red)
2 Ground (black)
3 FF transducer power (red)
4 Remote alarm
5 FF transducer ground (black)
6 RS-232 out (to GPS)
7 Single FF transducer signal (white)
7 Twin Left FF transducer signal (white)
8 Twin Right FF transducer signal (white)
8 Return FF transducer signal (optional)
9 RS-232 in (from GPS)
Interface connections to selected GPS models
EDM P4 conn Pin 1 P4 conn Pin 2
Arnav 5000 Pin 4 Pin 5
Garmin 195 (nc) Pin 4
Garmin 430 / 430 Pin 57 Pin 56
Northstar M3P (nc) Pin 6 (leave pin 11
open)
UPS GX50 / 60 Pin 4 Pin 5
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