|Description / Abstract
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This standard is intended to meet the different procedures of
various users who need to identify and graphically depict
measurement and control equipment and systems. These differences
are recognized when they are consistent with the objectives of this
standard, by providing alternative symbol and identification
A limited number of examples are provided that illustrate how
a) Design an identification system and construct an
b) Use graphic symbols to construct:
1) Instrumentation schematic diagrams of the instruments,
devices, and functions required for monitoring and control
2) Functional diagrams of instruments, loops, and application
3) Binary logic diagrams.
4) Ladder diagrams of electrical circuits.
c) Add information and simplify diagrams.
Examples of identification and symbol applications are intended
to illustrate basic concepts in the construction of the
identification systems and diagrams covered by this standard that
are applicable to all user industries.
This standard establishes a uniform means of depicting and
identifying instruments or devices and their inherent functions,
instrumentation systems and functions, and application software
functions used for measurement, monitoring, and control, by
presenting a designation system that includes identification
schemes and graphic symbols
|Additional Supplemental Documents