SECTION
A-1
EN
A
Model HC275 HART
Communicator
OVERVIEW
This appendix provides basic communicator information on the Model HC275 HART
Communicator when used with a Model PX2088S Smart Pressure Transmitter.
Included in this appendix is the PX2088S Smart menu tree and fast key table.
This brief appendix will familiarize you with the HART Communicator but is not
meant to replace the HART Communicator product manual.
SAFETY MESSAGES
This section contains procedures that require connecting a communicator to the
transmitter in an explosive atmosphere. The following safety messages apply to all
procedures throughout this section requiring cover removal and communicator
connection to the transmitter terminal block. Keep the following safety messages in
mind whenever you perform an operation requiring cover removal or the connection
of a communicator to a measurement loop.
Warnings
Explosions could result in death or serious injury:
n
Do not make connections to the serial port or NiCad recharger jack in an explosive
atmosphere.
n
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.
n
Both transmitter covers must be fully engaged to meet
explosion-proof requirements.
High voltage that may be present on leads could cause electrical shock:
n
Avoid contact with leads and terminals.
4690.bk : 4690.apb Page 1 Tuesday, May 26, 1998 5:28 PM
