Vanguard CT-8000 User Manual
Page 12

CT-8000 USER’S MANUAL
REV 2
7
Table 2. Functional Descriptions of CT-8000 Controls and Indicators
Item
Number
Panel Markings
Functional Description
1, 6, 7
D1, D2, D3
TRANSDUCER
INPUT
16-pin connectors. Digital travel transducer input channels.
2
0-300V
V1
3-pin connector. V1 voltage input channel is dedicated to monitoring circuit
breaker DC power supply or coil voltages. Voltage sensing range is from 0-255
volts, dc or peak ac.
3
0-300V
V2
3-pin connector. V2 voltage input channel is dedicated to detecting voltage
on/off status (present or absent) of an A/B switch. Voltage input ranges from
0-300 volts, dc or peak ac.
4
0-300V
TRIGGER
3-pin connector. Triggers voltage input for external trigger application. Voltage
levels ranging from 30 to 300 V, dc or peak ac.
5
CT
5-pin connector. AC current input channel. Detects CB load current for Quick-
Shot application.
8, 11
5VDC, 200A
200A Micro-Ohm Meter current output terminals.
9, 10
Micro-Ohm Meter sense inputs.
12
GROUND
Safety ground terminal.
13
100-120 Vac, 8A,
50-60Hz
Power plug and power switch. Built-in 12 Ampere circuit breaker.
14
R1
5-pin connector. Resistor type transducer input.
15
INITIATE
4-pin connector used for the switching circuit for operating the circuit breaker
under test.
16
OPEN
250V,
5A FAST-BLOW
Open circuit fuse: 5 Ampere, 250V, Fast-Blow.
17
CLOSE
250V,
5A FAST-BLOW
Close circuit fuse: 5 Ampere, 250V, Fast-Blow.
18
Built-in 4.5-inch wide thermal printer.
19
“PUSH” TO ARM
Spring-loaded pushbutton switch. Press and hold to complete the Trip or Close
circuits for breaker tests.
20
Rugged alpha-numeric membrane keypad.
21
Back-lit LCD screen (20 characters by 4 lines); viewable in bright sunlight and
low-light levels.
22
RS-232C
RS-232C serial computer interface port.
23
USB
USB computer interface port.
24, 25, 26
CONTACT INPUT
(C1-C6)
Female connectors for the contact channels.