Safety Instrumented Systems (4-20 Ma Only); Safety Messages; Chapter 8 Safety Instrumented Systems (4-20 Ma Only) - Emerson 5301HxxxxxxxxxxxxxxZZ Series Reference Manual

Reference Manual
00809-0100-4530
8 Safety Instrumented Systems (4-20
mA only)
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 (
before performing an operation preceded by this symbol.
WARNING
Failure to follow safe installation and servicing guidelines could result in death or serious
injury.
• Make sure the transmitter is installed by qualified personnel and in accordance with
applicable code of practice.
• Use the equipment only as specified in this manual. Failure to do so may impair the
protection provided by the equipment.
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 in the loop are installed in accordance with intrinsically safe or non-
incendive field wiring practices.
Electrical shock could cause death or serious injury.
• Use extreme caution when making contact with the leads and terminals.
Any substitution of non-recognized parts may jeopardize safety. Repair, e.g. substitution
of components etc., may also jeopardize safety and is under no circumstances allowed.
• Unauthorized changes to the product are strictly prohibited as they may
unintentionally and unpredictably alter performance and jeopardize safety.
Unauthorized changes that interfere with the integrity of the welds or flanges, such as
making additional perforations, compromise product integrity and safety. Equipment
ratings and certifications are no longer valid on any products that have been damaged
or modified without the prior written permission of Emerson. Any continued use of
product that has been damaged or modified without the written authorization is at the
customer's sole risk and expense.
Reference Manual

Safety Instrumented Systems (4-20 mA only)

). Refer to the following safety messages
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