Operating procedures vbt-80p – Vanguard VBT-80P User Manual
Page 9

Operating Procedures
VBT-80P
8
Table 2.0 Functional Description of VBT-80P Controls and Display
Figure 1
Index #
Adjacent Panel Marking
Functional Description
1
(Connector)
High voltage cable connector
2
No marking
2.
5”
wi
de
t
he
r
ma
l
pr
i
nt
e
r
3
No marking
Input power connector with built-in fuse
holder and power switch.
4
RS-232C
RS-232C interface port, 9-pin connector,
female DB type. The port is set to 19,200
baud, 1 start bit, 8 data bits, and no parity bit
PIN ................ SIGNAL
2
Rx
3
Tx
5
Signal Gnd
This serial port is for factory calibration and
firmware updates
5
No marking
LCD, 4-line by 20-character, back-lighted:
displays menus of selections, operator entries,
and test measurement results.
6
TEST FAIL
Test Fail Indicator. This indicator is turned on
if the test current exceeds the preset current
threshold (100, 200, or 300
A).
7
PUSH TO
“ARM”
Arm switch: Press and hold during a test
8
HIGH VOLTAGE
ENABLE
LED indicator, red: Lights when high voltage
is on the high voltage cable.
9
No marking
16-key keypad.
10
GROUND
High-voltage-return cable connector.
11
GROUND
(Wing Nut)
VBT-80P ground stud. Connect ground stud
to substation ground using the provided cable.