DSTA155 57120001-KD ABB Distributed system terminal adapter System 800xA
Product Overview
ABB DSTA155 is a key Distributed System Terminal Adapter in the System 800xA distributed control system. It is mainly used for seamlessly integrating traditional 4-20mA, HART or switch field devices into modern AC 800M control architectures. This module can be installed in remote I/O stations or local cabinets, serving as an intelligent bridge between field instruments and controllers. It supports signal conditioning, diagnostic upload, and parameter configuration, significantly enhancing system integration efficiency and operation and maintenance transparency.
Core features
Multi-protocol support
Support HART digital communication superimposed on 4-20 mA signals
Compatible with standard two-wire/four-wire analog transmitters
It can be connected to dry contact or level digital input signals
Intelligent device management
Read the device label, range, status and diagnostic information through the HART protocol
Support the implementation of predictive maintenance in System 800xA Asset Optimization
High-density design
A single module supports 8-channel analog input + 8-channel digital input/output (specific configuration depends on the firmware version).
Save cabinet space and reduce wiring complexity
Plug-and-play integration
Automatically identify the device type in Control Builder M
Support online parameter download and fault diagnosis
Technical parameters
Intelligent transmitter integration: Connect HART pressure/temperature/flowmeters to DCS to achieve remote calibration and diagnosis
Renovation of old equipment: Upgrade to a digital platform while retaining the existing 4-20mA instruments
Valve monitoring: Collect advanced data such as the stroke, alarm, and friction of the intelligent valve positioner
Safety interlock auxiliary circuit: Connects the status switches of key equipment (such as pump operation/fault signals)
Asset performance management: Build equipment health records through HART data and optimize maintenance strategies
Installation and Usage instructions
Hardware installation
Insert the DSTA155 into the S800 I/O electronic rack (which needs to be paired with a base plate such as TB840A);
Connect to the CI854A communication interface module via a dedicated cable;
Connect the on-site signal line to the terminal of the module (it is recommended to use shielded twisted-pair cable).
Software configuration
Create a DSTA155 device instance in Control Builder M;
Automatically import HART device description files (DDL/EDDL);
Configure channel type, range, alarm limit value and HART variable mapping;
Download the configuration to the AC 800M controller.
Debugging and verification
Use Asset Optimizer to view the real-time status of the device;
Verify that the communication is normal through the HART controller or the upper screen.
Simulate the input signal and confirm the accuracy of the DCS display value.
Product Images
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ABB DSTA155 Distributed System Terminal Adapter with 8-Channel Analog Input 8-Channel Digital I/O and Multi-Protocol Support for System 800xA Images
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