Honeywell Gent Viglion EN54 - Ground Break Test; Positive Line Break Test

Ground break test
A ground break test should be carried out at this stage:
¨
Disconnect the 0V line from End-1 of a loop circuit.
"
A single 0V line break should not cause the
loss of any part of the system.
End 1 cable break test
¨
The cable break may have to be sustained for up to a
minute. The display will show:
Wiring changed - ground break at card x
number y on loop z
¨
To clear the fault, the 0V line should be reconnected
and then the loop should be re-allocated.
End 2 loop break test
¨
The ground break test should be repeated at the other
end of the loop circuit, End-2 and again at Mid point
of the loop.
"
The exact location of a ground break is not
indicated, however the loop will run as normal. When the
fault is rectified and the defective cable has been repaired
and the loop must be re-allocated.
¨
At the end of the test operate the [Repair] function at
the panel.
Positive line break test
A positive line break test should be carried out at this stage:
¨
Disconnect the +ve loop connection at one End of a
loop circuit.
The display shows:
Wiring changed - split at card x number
y on loop z
"
A single +ve line break should not cause the
loss of any part of the system.
¨
Reconnect +ve line to clear the fault.
¨
At the end of the test operate the [Repair] function at
the panel.
Generic Commissioning instructions
48 4188-856_i2_12/06_Generic Vigilon (Compact + VA) Comms.
Loop circuit tests
L1 0V
BOARD
TERMINALS
BOARD
PANEL
enclosure
L1 (+ve)
LINE
GROUND
BREAK
TEST
L1 0V
MICC CABLE
BOARD
TERMINALS
BOARD
PANEL
enclosure
REMOVE THE 0V
LINE TO
INTRODUCE A
GROUND BREAK