WBPEEUI240751C0 1 - 1
Section 1
Introduction
Purpose
The Harmony Input/Output (I/O) System interfaces field
inputs and outputs for the Symphony Enterprise Management
and Control System to monitor and control a process. The
Harmony I/O system incorporates a variety of input and out-
put devices (blocks) to interface process signals. Blocks for
analog, digital, and control I/O interface along with remote
I/O communication combine to create a complete I/O system.
The Harmony I/O system offers a complete solution in a mod-
ular, easy to use package. In addition to the I/O devices, the
Harmony solution provides many options for ready-to-use I/O
communications, I/O mounting, field wiring management,
power distribution, and cooling.
The Harmony I/O system is intended to be an alternative to
rack I/O modules and terminations. It provides flexibility in
system design, enhanced I/O signal processing, and reduced
installation complexity and installation time.
NOTE: Abbreviated nomenclature is used in this instruction whenever possible
(refer to Table 1-5). Refer to Section 11 for complete nomenclature.
Harmony I/O System Documentation
Complete information about Harmony I/O system installation
and operation is contained in the following instructions:
I/O and Auxiliary Blocks
I/O and Auxiliary BlocksI/O and Auxiliary Blocks
I/O and Auxiliary Blocks - overviews the Harmony I/O sys-
tem; describes the analog, digital, and control I/O blocks and
auxiliary blocks used for field I/O interface; and provides I/O
and auxiliary block installation and connection procedures.
Block Power and Mounting Hardware
Block Power and Mounting HardwareBlock Power and Mounting Hardware
Block Power and Mounting Hardware - describes the block
mounting hardware, describes the block operating power and
field power options, and provides mounting hardware installa-
tion and power connection procedures.
Harmony Communications Network (Hnet)
Harmony Communications Network (Hnet)Harmony Communications Network (Hnet)
Harmony Communications Network (Hnet) - describes the
Harmony Communications Network or Hnet, details network
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