Vanguard WRM-10 - Manual (Page 8)

WRM-10 USER’S MANUAL REV 2
5
Table 2. Functional Descriptions of WRM-10 Controls and Indicators
Item
Number
Panel Markings Functional Description
1 V1
Voltage sensing input channel #1. Female connector jacks used for connecting
voltage-sensing test leads.
2 I Current output. Female connector jacks used for connecting current test leads.
3 None
Back-lit LCD screen (16 characters by 2 lines); viewable in bright sunlight and
low-light levels.
4 GROUND
Safety ground terminal. 5/16-18 threaded stud with hand-turned wing nut. This
must be connected to the station ground before connecting any WRM-10 test
leads to the transformer.
5
100-120 Vac. 2A,
50-60 Hz
Fuse: 250 Vac, 3A
Slow-Blow
Input power connector with third-wire safety ground. On/Off rocker toggle switch
with built-in fuse protection.
6 RS-232C
9-pin RS-232C interface port; female DB type. Data rate is set to 19,200 baud,
1 start bit, 2 stop bits, 8 data bits and no parity bit.
Pin Signal
2 RX
3 TX
5 Signal
Ground
7 DISCHARGE
Red LED indicator light. This warning indicator is lit when the WRM-10 is
discharging the stored energy in the transformer. Do NOT disconnect the test
leads when this light is on. Failure to heed this warning can result in
shock and/or fatal injury to personnel.
8
CHANGE
“PUSH” TO
SELECT
Single turn-and-press control knob used to operate the WRM-10. You can scroll
through different menu options by turning this knob, and you can select a
function by pressing the knob.
9
HIGH VOLTAGE
PRESENT
Red LED indicator light. This warning light is illuminated when there is a
possibility of high voltage across the test leads. Do NOT disconnect the test
leads when this light is on. Failure to heed this warning can result in
shock and/or fatal injury to personnel.
10 V2
Voltage input sensing channel #2. Female connector jacks used for connecting
voltage-sensing test leads.