OMNI 4000/7000 Operations and Maintenance Guide – Rev F
The OMNI 4000/7000 Series
1.6 Safety
1.6.1 Basic Electric Safety
Observe precautions for handling electrostatic-sensitive devices.
Take basic electrical safety precautions to prevent injury and equipment damage:
☐ Keep the area around the equipment clean and free of clutter.
☐ Verify that the power is not connected to the system when installing or removing main
system components, including I/O modules.
CAUTION:
Do not hot swap I/O modules. Electrical shock may occur, resulting in injury to
personnel and damage to the flow computer or connected field devices/control
systems.
☐ Connect the power using a readily accessible disconnect device certified as being safe for
the area.
☐ If an electrical accident occurs, disconnect the power to the system by removing the plug(s)
from the outlet(s). Some systems may have multiple power cords that connect to more than
one outlet.
1.6.2 Electrical Grounding Requirements
Follow these requirements for grounding equipment:
☐ The rack or cabinet that will house the flow computer must be properly Earth Grounded before
installation.
☐ An Earth-Grounded electrical outlet must be available for all power cables.
☐ If using a power cable other than the factory-supplied cable, the power cord must include an
Earth-Grounding pin.
Earth Ground Requirements: Do not apply power before confirming that grounds
are connected. Electrical shock can cause serious or fatal injury. Follow the National
Electrical Code (NEC) and local codes for the safe installation of this equipment.
☐ To minimize the effects of electrical transients, the outer chassis of the flow computer must
have a secure Earth Ground.
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