Reference Manual
00809-0100-4004, Rev BA
August 2010
Rosemount 8800D
www.emersonprocess.com/rosemount
Appendix C Electronics Verification
Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page C-1
Electronics Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . page C-2
Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page C-6
Electronics verification of the Model 8800D can be done by either utilizing the
internal signal simulation capability or by applying an external signal source to
the “TEST FREQ IN” and “GROUND” pins.
SAFETY MESSAGES Instructions and procedures in this section may require special precautions to
ensure the safety of the personnel performing the operations. Please
refer to the following safety messages before performing any operation in this
section.
Explosions could result in death or serious injury:
• Do not remove the transmitter cover in explosive atmospheres when the circuit
is alive.
• Before connecting a HART-based communicator in an explosive atmosphere,
make sure the instruments in the loop are installed in accordance with
intrinsically safe or non-incendive field wiring practices.
• Verify that the operating atmosphere of the transmitter is consistent with the
appropriate hazardous locations certifications.
• Both transmitter covers must be fully engaged to meet explosion-proof
requirements.
Failure to follow these installation guidelines could result in death or serious injury:
• Make sure only qualified personnel perform the installation.
Remove power before removing the electronics housing.
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