Honeywell DE Smart Transmitter Interface for ControlLogix (July 1, 2003)

Single-slot modules support digital communications with Honeywell Smart Transmitters in the ControlLogix platform

BAKERSFIELD, Calif., July 1, 2003

The Honeywell DE Smart Transmitter Interface for ControlLogix (MVI56-DEM) integrates both Single and Multivariable Honeywell Transmitters operating in the DE mode with the Allen-Bradley ControlLogix backplane. The MVI56-DEM supports 16 DE channels. Supported instruments include:

• ST 3000 Smart Pressure Transmitter
• STT 3000 Smart Temperature Transmitter
• SMV 3000 Smart Multivariable Transmitter
• MagneW 3000 Smart Magnetic Flowmeter
• SCM 3000 Smart Coriolis Mass Flowmeter
• SGC 3000 Smart Gas Chromatograph

Features include:

• Functions as a DE protocol co-processor, off-loading all aspects of protocol communications from the ControlLogix processor
• Supports up to 16 single PV transmitters, 4 multivariable transmitters with 4 PVs each, or any mix of single or multivariable equaling 16 inputs
• Data analysis and integrity checking on the PV variable and the data base contents
• Full read/write access to instrument database

There are many benefits that can be derived from implementation of the DE

protocol in a plant application, including:

• Remote diagnostics to the instrument level
• High resolution PV value (32 bit floating point number)
• Remote PV and database integrity checking
• Remote read/write access to instrument data base
• Off-line instrument data base configuration
• Simplified loop checkout and switchovers
• Redundant I/O module connection to each channel