Introduction; Safety Messages; Hardware Switches; Alarm Mode - Emerson Rosemount 8750W Reference Manual

Reference Manual
00809-0300-4750, Rev CA
Section 3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 37
Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 37
Hardware switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 37
Additional loops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 40
Process reference connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 48
Coil housing configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 48
3.1

Introduction

This section details some of the advanced installation considerations when utilizing the
Rosemount
3.2

Safety messages

The electronics may store energy after power is removed. Allow ten minutes for charge
to dissipate prior to removing electronics compartment cover.
Note
The electronics stack is electrostatically sensitive. Be sure to observe handling precautions
for static-sensitive components.
3.3

Hardware switches

The electronics are equipped with four user-selectable hardware switches. These switches
set the Alarm Mode, Internal/External Analog Power, Transmitter Security, and Inter-
nal/External Pulse Power.
Definitions of these switches and their functions are provided below. To change the
settings, see below.
3.3.1

Alarm mode

If an event occurs that would trigger an alarm in the electronics, the analog output will be
driven high or low, depending on the switch position. The switch is set in the HIGH position
when shipped from the factory. Refer to
analog output values of the alarm.
Advanced Installation Details
Advanced Installation Details
™
8750W Revision 4 Magnetic Flowmeter System.
Advanced Installation Details
Table 5-1 on page 87 and
March 2016
Table 5-2 on page 87 for
37