Flowserve MX-100 Field Unit - Manual (Page 62)

MX/DDC-100 Field Unit Installation and Maintenance FCD LMENIM2329-01 – 03/11
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Appendix – Typical DDC-100 Network
Installation Assignments
Various project suppliers play important roles in the design, purchase, installation, and commissioning of a plant
control system. A typical assignment of roles for the installation of a DDC-100 Network with its valve controllers
is presented in this section. This material is presented for guidance only and is not necessarily representative of a
particular installation.
Project supplier responsibilities
S.I. (System Integrator) Responsible for developing code to operate the plant per the specification. This includes
the interface between the DDC-100 Network and the Host. The System Integrator may be a third-party programmer or
a site engineer responsible for computer programming.
Engineer (Project Engineer) Responsible for developing the site layout, specifications, and requirements for the
project.
Contractor Responsible for site project development. The contractor is the site coordinator responsible for
completing the upgrade or new facility installation per the specification. This may be a third-party (independent)
contractor or a site maintenance group.
Flowserve Limitorque Valve actuator manufacturer. Supplier of the valve actuators per the specification.
OEM (Valve Original Equipment Manufacturer) Valve manufacturer responsible for providing valves per specifica-
tion to contractor or job site. The valve OEM may also provide the Limitorque actuators as a part of its scope of
supply.
Fourth-Party Hardware/Software Supplier of hardware and/or software packages needed to complete system
integrator’s scope of supply. Equipment typically includes: PLC racks, components, personal computers, Graphical
User Interfaces, etc.
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