2.9 Programming the CPU
When using one or more
units
with any of the VPS Nova
it is
essary to disable the remote acknowledge
function in the CPU on-screen menus. This
must be done for any system using a
VI 300X-IAF or VI 300X-IA, even if there is
a mixture of alarm interfaces including the
older VI 200X-IA.
1. To perform this programming function,
bring the Main Menu up on screen following
instructions in the CPU Programming
ual. Different CPU models may display this
information in slightly different formats.
2. Select ALARM FUNCTIONS, which will
display the Alarm Functions Menu.
(The previous alarm interface model, the
had a front-panel button that
allowed alarms to be acknowledged at the
In contrast, all alarm inputs to
the
and
are
knowledged through the operator keypad or
automatically by the CPU, so that no
knowledgment button is provided.)
3. Select X-IA ENABLE/DISABLE, which
will display the X-IA Enable/Disable Menu.
4. Select SET ACK.
to display
the programming screen for the
edge enable/disable. Follow the on-screen
instructions to change ENABLED to
3 OPERATION
The
has two
and one
Green LED: Indicates that one or more
slide switch on its front panel:
alarms is in progress.
Red LED: Indicates that power is supplied
to the unit.
Slide switch: Turns the audio alarm tone
on or off.
4 MAINTENANCE
The VI 300X-IAF requires no scheduled
maintenance. If it is necessary to change
the fuse, locate the IEC320 connector on
the rear panel (Figure 3). Remove the
power cord from the connector and slide
out the fuse drawer using a fingernail or
small screwdriver.
Remove the old fuse and place a new fuse
in the clip. Replace the fuse drawer and
reconnect the power cord. The correct fuse
value is indicated in a triangle on the rear
panel next to the fuse drawer.
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