Varec TankGate Interface 8315 Series Manual de instrucciones Pagina 16

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Hardware Tank Gate Interface
6 Installation and Operations Manual
Figure 2-2: The Tank Gate Interface Motherboard
Figure 2-3: Tank Gate Interface Functional Block Diagram
EARTH
NEUTRAL
LINE
SURGE GND
A/TXD
B/RXD
GND
RTS
CTS
TXD
RXD
GND
+15V
+5V
GND
-15V
+
-
VFIELD
COM1
COM 0 AUX POWER
VFIELD=48V
VFIELD=24V
RESET
RS232
RS485
COM1
HARDWARE HANDSHAKING
A
B
COM 0
RS-232
128 K
256 k
uP
Serial 0
Serial 1
PROM
Tank Gauge
Interface Circuitry
NOVRAM
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