Siemens Milltronics Process Instruments Inc.
1954 Technology Drive, P.O. Box 4225, Peterborough, ON Canada K9J 7B1
Tel: (705) 745-2431 Fax: (705) 741-0466 www.siemens-milltronics.com
Email: techpubs@siemens-milltronics.com
AG091712
SITRANS LUT400 Communications Options
Connecting the LUT400 to a control system and the available data
Objective:
Summarize the data types available from the LUT 400
Seven methods to connect the LUT400 to a control system
While every effort was made to verify the following information, no warranty of accuracy or usability is expressed or implied.
Overview:
The SITRANS LUT400 comes with two ports:
a USB interface
a 4-20 mA output with HART communications
The USB interface connects a computer directly to the LUT400. The user programs the device via a web browser and also
downloads the data logs by treating the LUT400 as an external hard drive.
The HART interface presents a variety of methods for getting data out of the instrument. Listed below are seven ways to connect
the LUT400 to a control system.
1. 4-20 mA card
2. HART input card (Profibus DP connection)
3. Profibus PA gateway
4. Ethernet gateway
5. Wireless HART gateway
6. Foundation Fieldbus (FF) gateway
7. Modbus gateway
Topics:
Information types
Accuracy
Connection methods
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