St 700 Transmitter Series; Introduction To The St 700 Standard Transmitter; Features And Options; Physical Characteristics - Honeywell ST 700 User Manual

2 Introduction to the ST 700 Standard Transmitter

This section is an introduction to the physical and functional characteristics of Honeywell's ST 700
Standard SmartLine Pressure Transmitter.

2.1 Features and Options

The ST 700 Standard SmartLine Pressure Transmitter is available in a variety of models for
measuring Differential Pressure (DP), Gauge Pressure (GP), and Absolute Pressure (AP). Table 2 lists
the protocols, human interface (HMI), materials, approvals, and mounting bracket options for the ST
700.
Feature/Option
Communication Protocols
Human-Machine Interface (HMI)
Options (Basic Display)
Calibration
Refer to the Calibration sections of the
ST 700 SmartLine Transmitters User's
Manual, 34-ST-25-44 for details.
Approvals
Refer to the Approvals sections of the
ST 700 SmartLine Transmitters User's
Manual, 34-ST-25-44 for details.
Mounting Brackets
* The DE and Fieldbus protocols are not supported with the Standard display.

2.1.1 Physical Characteristics

As shown in Figure 1, the ST 700 is packaged in two major assemblies: the Electronics Housing and
the Meter Body. The elements in the Electronic Housing respond to setup commands and execute the
software and protocol for the different pressure measurement types.
the Electronics Housing with available options.
The Meter Body provides connection to a process system. Several physical interface configurations
are available, as determined by the mounting and mechanical connections. Refer to the ST 700
SmartLine User's Manual, Document# 34-ST-25-44 for installation and wiring details.
Revision 4.0
Table 2 – Features and Options
HART* version 7, Digitally Enhanced (DE), Fieldbus*
Basic Digital Display:


Standard Display:



Single
FM, CSA, ATEX, IECEx, SAEx, INMETRO, NEPSI,
GOST and MARINE
Angle/flat carbon steel/304 and 316 stainless steel,
Marine 304 stainless steel, 316 Stainless Steel
The 3-button option is available for the Basic Display.
The 2-button option is available for the Standard Display.
Also, for the Standard Display, the three button reed switch is used only
for span & zero correction and not for the Display navigation.
ST 700 Series HART/DE Option User's Manual
Standard/Available Options
Three-button programming (optional)
Basic display language: English only
Two-button programming (optional)
Standard display language: English only
Two-mode operations: PV display and Menu
Figure 2 shows the assemblies in
Page 1