UFC 3-535-01
17 November 2005
Table 13-3. AGL Control System Response Times
Time Characteristic
Response Time
(seconds)
From command input until acceptance or rejection
< 0.5
From command input until control signal output to
< 1.0
regulator or other controlled unit
For system to indicate that a control device has
< 2.0
received the control signal
Back indication to tower display of regulator
< 1.0
initiation
Switch-over time to redundant components in
event of system faults (no command execution
< 0.5
during this time)
Automatic detection of failed units and
< 10
communication lines of the monitoring system
13-16.6.5
Operations and Maintenance Log
Log all operationally significant events. The log may be compiled manually or by
electronic means and should be retained for at least 30 days. The ability to display or
print out periodic or summary compilations of important operational and failure events is
recommended.
13-16.6.6
Product Considerations
13-16.6.6.1 Hardware
Maximize off-the-shelf components. Compliant with industry standards for each
component.
13-16.6.6.2 Monitor
Minimum 432 millimeter (17-inch), flat screen.
13-16.6.6.3 Software
Common operating system (e.g., Windows or UNIX). Tailored packaged graphics
program, easily modified.
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