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Hardware TankGate Interface
8 Installation and Operations Manual
2.2.1.1 Unit AC Input Power terminal block (J2)
The Unit AC power terminal block is used to provide AC power to the TankGate. The
power requirements for the TankGate are 100-240 VAC, 50/60 Hz. The AC Input Power
terminal block is shown in the figure below:
Figure 2-4: AC Input terminal block
2.2.1.2 Surge Protection (Surge Gnd) terminal block (J4)
The Surge Gnd terminal block is used to connect the surge protection components (gas
tubes, MOVs) to earth ground. Ensure there is a low impedence path (< 1ohm) to earth
ground (a ground rod or grounding system).
2.2.1.3 Field Power (VFIELD) terminal block (J3)
The Field Power terminal block, referred to as VFIELD, is used to provide power for field
instruments. The output is configurable using jumpers (Jumper W3, discussed below).
Figure 2-5: field Power terminal block
2.2.1.4 Auxiliary DC Output Power terminal block (J8)
The Auxiliary power terminal block is used when external equipment must be powered
from the TankGate’s internal power supply. The triple output power supply provides +5,
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
AUX POWER
VFIELD=48V
VFIELD=24V
RESET
RS232
RS485
COM1
HARDWARE HANDSHAKING
A
B
EARTH
NEUTRAL
LINE
SURGE GND
+
-
VFIELD
J2
J4
LINE
SURGE GND
A/TXD
B/RXD
GND
+
-
VFIELD
COM1
J3
J4
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