6. Acceptance Testing Guidelines
Acceptance testing confirms that the hardware and software configurations of the OMNI flow
computer system and field instruments are functioning according to project specifications. The
test validates process variable inputs through output reporting.
The Factory Acceptance Test (FAT):
• Includes functional testing of all hardware components and software in the flow computer.
• Checks the functionality of components before they arrive at the installation site. These
checks may include:
− The power connection to verify that it supports project requirements.
− The system wiring to instruments (or to the terminal block if a marshalling panel is used)
to verify that the instruments receive and send signals.
− Instrument connections by using simulators or overrides for transducer output signals.
− I/O points by performing calibrations.
The Site Acceptance Test (SAT) verifies that the OMNI 4000/7000 measurement system values
meet project specifications. This includes the tests performed during the FAT. SATs are
performed on site and after installation, and they use live process variables and flowing product.
The SAT:
• Includes the following function tests:
− Pressures, temperatures and flows
− Densitometers
− Provers
− Samplers
• Validates hourly data and reports, such as daily, batch, proves, alarm and audit trail.
• Requires raw data from the flow computer to a DCS or SCADA for specific point-to-point
testing requirements.
Each project must have a formal, project-specific FAT or SAT procedure. The guidelines in this
section provide an overview of items to consider when you perform acceptance testing that
includes an OMNI 4000/7000 flow computer.
6.1 Acceptance Testing Participants
Participants of the acceptance testing should consist of a combined team of the Integrator, the
Buyer, the Seller and the Original Equipment Manufacturer (OEM) Representatives, including:
• The representative engineering company that is responsible for the system specification,
hardware integration and configuration of the flow computer.
• Site-specific personnel from Operations, Regulatory and Quality Assurance.
• Support personnel from the OEM Vendor; Instrumentation; and Electrical, Communications
and Safety.
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