Varec TankGate Interface 8315 Series - Manual (Page 18)

Hardware Tank Gate Interface
8 Installation and Operations Manual
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
Tank Gate Interface’s internal power supply. The triple output power supply provides +5, +15
and -15 Volts. These are rated 210 mA, 50 mA, and 5 mA, respectively. The DC Power terminal
block is shown below.
T
Figure 2-6: DC Input Voltage Terminal Block
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
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
CTS
TXD
RXD
GND
+15V
+5V
GND
-15V
COM 0
AUX POWER
J8
J7