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FCO770 Users Guide Issue 1
WARNING SYSTEM
The Maintenance Early Warning System (MEWS) may be used to aid planned maintenance.
When a warning occurs it is shown on the status line of the display and an electrical output
may be used to drive an external warning lamp or connect to a PLC for example. If the LAN
option is fitted it is possible to configure and email to be sent when a MEWS alarm occurs.
Entering this menu will show a screen similar to below:
This menu looks a little different as it contains a set of paired Limits/Values.
Limits
are adjustable and show within a gray parameter button.
Values
are just live readings of the parameter whose limit is shown above. When everything
is normal, these values show within a green box. When a MEWS warning is active, values
that are in error are shown within a red box.
•
LIMITS
o
Cycle Count (million)
set in millions of cycles
o
Latency set
in
seconds.
o
Leak Zero
set as a percentage of the fault level.
o
Logged Data
set as a percentage of memory capacity.
o
Calibration Due
set how many days’ notice is required in
advance of the calibration is due date. The
calibration due date is set in the Utilities menu.
•
VALUES
Any warnings that are currently active will show in a red box.
o
Cycle Count:
the number of test cycles since this counter was last reset. It is
normally only reset after the instrument’s internal valves have been serviced.
It is expressed in millions.
o
Latency:
This is the time taken for the internal valves to operate. Air supply
LIMITS are adjustable
parameters shown in
inside Gray parameter
buttons.
Values are the actual
values corresponding
to its paired limit
shown above .
Содержание FCO770
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