mpec SA380-IT, Руководство пользователя

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No. Name Description
1 Back Navigates back to the live measurements
screen and terminates
. technicians mode
2 Circuit Name & Connection Status
The name of the monitored circuit. A green
dot indicates a live connection to the
device. A red dot denotes that the
connection has been lost.
The physical input of the device to which
this monitored circuit is connected is shown
below.
3 Dump Displays a detailed diagnostic data dump
(for manufacturers use).
4 Time The current time.
5 Voltage The monitored circuits present voltage. Not
displayed if earth loop resistance has been
selected.
6 Resistance AC monitored circuits show equivalent
resistance to earth (R
L
).
DC monitored circuits show equivalent
resistance to earth of each circuit leg (R a
B
nd R ).
N
The Earth Loop circuit shows the present
resistance between FE and Loop Earth
terminals.
Technicians Mode Whilst in technicians mode, only the
selected circuit is measured. This improves
response time for the circuit of interest to
aid faulting activities.
No other monitored circuit is measured,
earth loop resistance is not measured
(unless selected), device integrity checks
are not performed.
If the user should forget to leave
technicians mode,
will normal mode
automatically resume after a period of 4
hours.
Green Text ..is used to denote monitored circuits where
resistance to earth is
the defined above
alert thresholds.
..is used to denote that earth loop
resistance is
the defined alert below
threshold.
Orange Text ..is used to denote that the monitored
circuit is suffering from a recoverable
device interlock.
The user should manually exit
technicians mode when it is no
longer required such that
other measurements
recommence.