Vanguard DMOM-100_200 s2 - Manual (Page 15)

DMOM-100/200 Series 2 Operating Procedures
15
Rev 2, 2009
Table 4.0 Functional Description of DMOM-200 Series 2 Controls and Display
Figure 1
Index #
Adjacent Panel Marking Functional Description
1 & 9 (Wing Nut) Current lead connectors
2
RS-232C
RS-232C interface port; 9-pin connector;
female DB type. The data rate 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,
firmware updates, and interfacing with the
software program supplied with each unit.
3 100-240 Vac, 8A, 50- 60 Hz
Input power connector with third-wire safety
ground and built-in 10A circuit breaker.
4
No marking
LCD; 4-line by 20-character; back-lighted;
displays menus of selections, operator entries,
and test-measurement results.
5 GROUND
(Wing Nut)
DMOM-200 Series 2 ground stud. Connect
ground stud to substation ground using the
provided cable.
6
No marking
Built-in thermal printer, prints test result data
on 2.5-inch-wide thermal paper.
7
No marking
Operating key-pad controls, 10 alphanumeric
keys and 6 function keys (i.e., START,
STOP, CLEAR, ENTER, &
CONTRAST/PAPER positioning
∧ & ∨).
8 HIGH CURRENT
PRESENT
LED indicator, red; Lights when high-test-
current is going through the test leads.
10 & 11 (Resistor Symbol) Voltage-sensing connector jacks (red).