APPENDIX 2 DIGITAL INTERFACE
AP-4
Serial & contact interface I/O circuit
COM1, 2
COM3 to COM6
External
Alarm Acknowledge
Sensor
ADM2587E
GND1-4
RD
TD
120Ω
GND5-8
COM1_RD_TERM
COM1_RD_B
COM1_RD_A
COM1_TD_B
COM1_TD_A
COM1_GND_ISO
GND
ADM2587E
GND1-4
RD
TD
120Ω
GND5-8
COM3_RD_B
COM3_RD_A
COM3_TD_B
COM3_TD_A
COM3_GND_ISO
GND
TLP176
TLP4176
EXT_ALM
P3.3V
EXT_ALM_C
EXT_ALM_H
EXT_ALM_NO_H
EXT_ALM_NC_H
TLP185
RD
P12V
ALM_ACK_H
ALM_ACK_C
1.2kΩ
PC400
RD
SENSOR1_C
SENSOR1_H
490Ω
GND
Summary of Contents for FA-170
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