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8300 Hardware
• Communications
Figure 2-3: The TankGate motherboard
2.2.1 Power Supply
• Unit AC Power terminal block (J2)
• Surge Protection terminal block (J4)
• Field Power terminal block (J3)
• Auxiliary DC Power Output terminal block (J8)
• AC Power fuses (500 mA - 250V 5x20 mm) (F1, F2)
• Field Voltage Selection Jumper (W3)
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