Furuno FA-170 Installation Manual page 46
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Also See for FA-170:
- Operator's manual (100 pages) ,
- Operator's manual (2 pages) ,
- Handbook (8 pages)
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APPENDIX 2 DIGITAL INTERFACE
Serial & contact interface I/O circuit
COM1, 2
RD
TD
GND
COM3 to COM6
RD
TD
GND
External
EXT_ALM
Alarm Acknowledge
RD
Sensor
AP-4
ADM2587E
GND1-4
GND5-8
ADM2587E
GND1-4
GND5-8
P3.3V
TLP4176
TLP176
TLP185
PC400
RD
GND
120Ω
COM1_RD_TERM
COM1_RD_B
COM1_RD_A
COM1_TD_B
COM1_TD_A
COM1_GND_ISO
120Ω
COM3_RD_B
COM3_RD_A
COM3_TD_B
COM3_TD_A
COM3_GND_ISO
EXT_ALM_NC_H
EXT_ALM_NO_H
EXT_ALM_C
P12V
1.2kΩ
ALM_ACK_H
ALM_ACK_C
490Ω
SENSOR1_H
SENSOR1_C
EXT_ALM_H
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