APÉNDICE 2 INTERFAZ DIGITAL
Circuito de E/S de interfaz de contacto y serie
COM1, 2
RD
TD
GND
De COM3 a COM6
RD
TD
GND
Externo
EXT_ALM
Acuse de recibo de alarma
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