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Reference Manual
00809-0100-4696, Rev AA
September 2004
Rosemount 848L
www.rosemount.com
Section 2 Installation
Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-1
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-1
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-4
Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-5
Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-5
I/O Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-7
Tagging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-8
Transmitter Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-9
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-9
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 ( ). Please
refer to the following safety messages before performing an operation
preceded by this symbol.
Warnings
MOUNTING The 848L is always mounted remote from the sensors and output devices.
There are three mounting configurations:
• To a DIN rail without an enclosure
• To a panel with an enclosure
• To a 2-in pipe stand with an enclosure using a pipe mounting kit
Failure to follow these installation guidelines could result in death or
serious injury.
• Make sure only qualified personnel perform the installation.
Electrical shock could cause death or serious injury.
• If the device or sensors are installed in a high voltage environment and a fault
condition or installation error occurs, high voltage may be present on transmitter
leads and terminals.
• Use extreme caution when making contact with the leads and terminals.