Vanguard CT-7500 - Manual (Page 13)

MODEL CT-7500 OPERATING INSTRUCTIONS
Rev 2 Jan 2001
7
Table 5-1. Model CT-7500 Controls and Displays
Fig. 5-1
Index no.
PANEL MARKING FUNCTIONAL DESCRIPTION
1 CONTACT INPUT (1-12) Connector, 3-pin: each input is a continuity (dry)
sensor for detecting a contact closing or opening (a
timing input to the processor).
2 (30V-300V) VOLTAGE
V1 & V2/ VOLTAGE INPUT
Connector, 3-pin: each input is a voltage detector for
timing voltage (30-300 V dc/peak) of trip or close coil
switching (active period).
3 TRIGGER/VOLTAGE INPUT Connector, 3-pin: input (30-300 Vac, dc, or peak)
triggers timing functions.
4 CT AC current sensor input channel.
5 AC 100-240V; 5A MAX Power plug (3-wire), ac fuse, ON/OFF switch: Switch
is 2-pole rocker, input power on & off.
6 GROUND Stud, 5/16-18 threads, with wing nut; safety ground
terminal.
7 TRANSDUCER INPUT
(T1, T2, T3)
Connector, 16-pin: each input (T1-T3) is a Travel
Encoder output (contact motion data).
8 (Printer; No panel marking) Thermal printer; prints on specially treated 4½-inch
wide paper; processor controlled.
9 PRINTER Printer port connector, 25-pin.
10 1-9, 0, ENTER, START, STOP,
CLEAR, ↑ PAPER LCD,
↓ PAPER LCD Keypad, 16-key; keys are momentary-contact
pushbutton switches: makes menu selections, enters
alpha-numeric data, adjusts LCD contrast, and
moves paper.
11 REMOTE ARM SWITCH Remote Arm Switch connector. The remote Arm
switch with a 15ft cable is provided with each CT-
7500.
12 "PUSH" TO ARM Pushbutton switch, spring-loaded: press & hold to
complete trip & close circuits for breaker tests.
13 (Display; no panel marking) Liquid-Crystal Display (LCD), back lighted: 4-line by
20 characters per line: displays menus, options,
prompts, and test-result data.
14 CLOSE/ 3 A Close circuit fuse (3 amperes).
15 OPEN/ 3 A Open circuit fuse (3 amperes).