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8
Safety Instrumented Systems (SIS)
requirements
8.1
Safety messages
Instructions and procedures in this section may require special precautions to ensure the
safety of the personnel performing the operations. Information that potentially raises
safety issues is indicated by a warning symbol ( ). Refer to the following safety messages
before performing an operation preceded by this symbol.
WARNING
Failure to follow safe installation and servicing guidelines could result in death or serious
injury.
•
Ensure only qualified personnel perform the installation.
Explosions could result in death or serious injury.
•
Verify that the operating atmosphere of the transmitter is consistent with the
appropriate hazardous locations certifications.
•
Before connecting a handheld communicator in an explosive atmosphere, ensure the
instruments are installed in accordance with intrinsically safe or non-incendive field
wiring practices.
•
In Explosion-proof/Flameproof and Non-Incendive/Type n installations, do not remove
the transmitter covers when power is applied to the unit.
•
Both transmitter covers must be fully engaged to meet Explosion-proof/Flameproof
requirements.
Electrical shock could cause death or serious injury.
•
In Explosion-proof/Flameproof and Non-Incendive/Type n installations, avoid contact
with the leads and terminals. High voltage that may be present on leads can cause
electrical shock.
•
Ensure the mains power to the transmitter is off and the lines to any other external
power source are disconnected or not powered while wiring the transmitter.
Reference Manual
Safety Instrumented Systems (SIS) requirements
00809-0100-4408
February 2020
Rosemount 5408 and 5408:SIS Level Transmitters
147
Содержание Rosemount 5408
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