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LANTNAVFACENGCOM A&E GUIDE
4/17/93
INSTRUMENTATION AND CONTROL SYSTEMS
4.8.3
A. Describe the demolition of any existing Instrumentation and Control
System (I&CS) to be removed. Identify any equipment to be salvaged. Identify any
equipment to be relocated or reused.
B.  Describe the overall process to be controlled, and the overall control
philosophy. Indicate the control system inputs from the process, and the control
system outputs to the process. Describe the process sensors and signals; and describe
the control system signals and actuating devices. Describe the control algorithms to be
implemented. Provide a general sequence of operations. Indicate a typical functional
diagram for control of the major processes; similar to a Scientific Apparatus Makers
Association (SAMA) diagram or a function blockware diagram.
C. Describe the control equipment signal processing scheme, i.e., electric
analog or digital; single processor or distributed processors; programmable logic
controller based; personal computer based; single loop controller based; multi-loop
controller based; or mini-computer based. Indicate the expected update frequency for
critical, typical, and noncritical data points in the system. Indicate the expected end-
to-end control accuracy's.
D. Describe the hard wired control logic scheme; provide a typical ladder
logic diagram to illustrate the method to be used on the contract drawings.
E.  Describe the control program programming scheme; ladder diagram logic
(preferred), function block logic (acceptable). Provide a typical diagram to illustrate
the method to be used on the contract drawings.
F.  Describe the control program development system input/output and
storage device(s); describe the control program development tools to be provided, both
hardware and software.
G. Describe the operator's control station/panels, and provide a general plan
and panel layout.
H. Describe the communications scheme to be implemented throughout the
system and between the I&CS and other related systems within the project.
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