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MicroLim
Line Isolation Monitor
Section 5—Operation
Front Panel Features
The MicroLim LIM front panel (operator interface board), illustrated in figure 3, is
designed for maximum ease of use. The following paragraphs describe the features
shown in the figure.
Hazard LED
Analog Bar Graph
___
160%
___
___
140%
___
___
120%
___
___
100%
___
___
80%
___
___
60%
___
___
40%
___
___
20%
___
% ALARM LEVEL
NIVEAU D'ALARME %
Selected Alarm Level
Figure 3 LIM front panel (operator interface board)
Analog Bar Graph. This graph consists of 16 segments, 10 green and 6 red. The graph
shows the percentage of alarm level. Depending on the setting, the 100% alarm level
corresponds to 2 mA for a LIM set to the 2 mA alarm level, or 5 mA for a LIM set to the
5 mA alarm level. Each LED bar represents 10% increments of the alarm level current.
These illuminated segments show the percentage of hazard current the LIM is
measuring. During alarm, the red segments flash at a constant rate.
Selected Alarm Level. This LED display indicates the user-selected alarm level of the
LIM, either 2 mA or 5 mA. For LIMs used in Canada (catalog no. MLIM), alarm level must be
set to 2 mA to meet CSA certification.
Alarm Silence LED
Alarm Silence Button
SILENCE
HAZARD / DANGER
TOTAL HAZARD CURRENT IS
LE COURANT TOTAL DE DANGER EST
ALARM LEVEL
mA
NIVEAU D'ALARME
SAFE / SÛR
TEST
ESSAI
Safe LED
© 1996 Federal Pioneer All Rights Reserved
FEDERAL
PIONEER
STATUS CODES: / CODES D'ÉTAT :
Hazard current is greater than 9.9 mA /
=
Le courant de danger est supérieur à 9,9 mA
=
Calibration in progress / Étalonnage en cours
Unit needs service / L'unité a besoin
=
d'une intervention
S E R I E S
Test Button
Bulletin No. 43134-017-02
8/96
Infrared Optical
Communication Port
Total
Hazard
Current
mA
Display
®
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