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Ex Temperature Transmitters
Models: 4-20mA & HART, Foundation Fieldbus, Profibus PA

The TT300 Series  is a transmitter mainly intended for  measurement of temperature using RTDs or thermocouples.  However, it can also accept other sensors with resistance or  mV output such as: pyrometers, load cells, resistance position  indicators, etc. The TT300 Series  accepts up to two sensors  and may operate in one of the modes:

 • Single channel with single sensor measurement;
 • Dual channel with dual sensor measurement;
 • Single channel with dual sensor differential measurement;
 • Single channel with dual sensor back-up measurement.

 The TT300 Series  is a powerful and extremely versatile  smart temperature transmitter. The digital technology used in  the TT300 Series  enables a single device to accept several  types of sensors, wide ranges, single or multiple-ended  measurement and an easy interface between the field and  the control room. It also includes several interesting features  that reduce considerably the installation, operation and  maintenance costs. The transmitter accepts two channels, i.e.,  two measurements. This reduces the cost per channel.

 

STANDARD FEATURES
Standard Accuracy: +/-0.02%
Linearisation: Built - In
Stability: +/-0.2% of URL
Stability Guarantee: 12 years
Rangeability: 120:01:00
Span: from 50Pa to range limit of 40MPa
Zero and Span: True non-interactive
Local Adjustments: Zero & Span
Remote Configuration: Yes, By Handheld or P.C.
Write Protection Function: Yes
Local Indication: Yes, Alphanumeric LCD
Signal Simulation: Yes

These instruments can be configured using proprietary software or other manufacturers configuration tools. Local adjustment is available in all these transmitters. It is possible to configure zero and span, totalization, set point and other control functions using the magnetic screwdriver.

Asset View  is a user-friendly Web Tool that can be accessed  anywhere and anytime using an Internet browser. It is designed for management and diagnostics of field devices to ensure reactive, preventive, predictive and proactive maintenance.

 

DOWNLOADS:

 

Model System Notes Images
TT301 4-20mA  & Hart

TT301 (HART® protocol) can be configured by:

Smar CONF401 for Windows and UNIX;
Smar DDCON100 for Windows and UNIX;
Smar HPC301 for several models of Palms*;

Other manufacturers' configuration tools based on DD (Device Description) or DTM (Device Type Manager), such as AMS, FieldCare, PACTware, HHT275, HHT375 and PRM Device Viewer.

For management and diagnostics, AssetView ensures continuous information monitoring.


TT302 Foundation Fieldbus

TT302 utilizes the FOUNDATION fieldbus H1 protocol, an open technology that allows any H1 enabled configuration tool to configure this device.

Syscon302 (System Configuration Tool) is a software tool used to configure, maintain and operate the field devices. Syscon offers efficient and friendly interaction with the user, using Windows NT version 4.0 or later, Windows 2000 and Windows XP.

Configuration tools such as AMS, FieldCare and HHT375 can configure TT302 devices. DD (Device Description) and CF (Capability File) files can be downloaded at either
the Smar or Fieldbus Foundation website.

TT302 supports complex strategies configuration due to the high capacity and variety of dynamic instantiable function blocks.

TT303

 

Profibus PA

 


TT303 (PROFIBUS PA protocol) can be configured using Simatic PDM and by the FDT (Field Device Tool) and DTM (Device Type Manager) concept tools, such as FieldCare and PACTware.

It can also be integrated by any PROFI-BUS System using the GSD file.
PROFIBUS PA also has quality and diagnostic information, improving plant management and maintenance.