Input/Output Circuits; Gps-20A Input/Output Circuit - Koden GPS-20A Installation Manual

Chapter 5
Installation Manual

5.3 Input/Output circuits

5.3.1 Navigation unit and connections
GPS sensor
Data output (+)
White
Data output (-)
Green
5.3.2 Beacon receiver and connections
Data output (+)
Data output (+)
White
Data output (-)
Data output (-)
Green
Data input (+)
Orange
Data input (-) Blue

5.3.3 GPS-20A input/output circuit

Serial data input circuit (listener side):
Input load: 600 ohm
Device: Photo-coupler TLP151A (Toshiba)
DATA IN (+)
DATA IN (-)
5-6
Navigation unit
Receive circuit
NMEA 0183 format
470 – 1k ohm
Diode
(1S2076, etc)
Serial data input circuit
GPS sensor
NMEA 0183 format
TLP-115A
600
Technical References
+Vcc
470 – 1k ohm
Data output
Photo-coupler
(PC317, etc)
Beacon receiver
IN (+)
GGA, GLL sentence
(Position data)
IN (-)
OUT (+)
Differential data
OUT (-)
+Vcc
DATA OUT(+)
GPS-20A
0092621632-05