Description

The ABB 81943A041-1 is a precision-engineered electronic module designed for integration into ABB’s extensive lineup of industrial automation and control systems. This specific part number is typically associated with a specialized interface, signal conditioning, or communication module within a larger system chassis, such as those found in process control or drive systems. The core function of the ABB 81943A041-1 is to facilitate reliable data acquisition, signal conversion, or provide a critical interface between different levels of the automation hierarchy, ensuring that field device signals are accurately processed and communicated to the central controller. Its value is derived from its ability to maintain signal integrity in electrically noisy industrial environments, thereby protecting the integrity of the entire control loop.

As a genuine ABB component, the 81943A041-1 module is built to the highest standards of quality and reliability. It is designed for seamless integration with other ABB system components, ensuring full compatibility and reducing engineering and commissioning time. The module plays a vital role in enhancing system flexibility and scalability, allowing engineers to precisely configure a control system to meet the specific input/output and communication requirements of any application. The robust design of the ABB 81943A041-1 ensures long-term stability and minimizes the risk of unscheduled downtime, which is critical for continuous process industries. Utilizing this module translates to increased system accuracy, improved process efficiency, and lower total cost of ownership through reduced maintenance needs.

81943A041-1 ABB

Technical Specifications

Parameter Name	Parameter Value
Product Model	81943A041-1
Manufacturer	ABB
Product Type	Electronic Interface/Communication Module
Input Voltage	24 V DC (Typical, for module logic)
Operating Temperature	-25 to +55 °C (-13 to +131 °F) or as per chassis specification
Storage Temperature	-40 to +85 °C (-40 to +185 °F)
Relative Humidity	5 to 95% (non-condensing)
Isolation Voltage	1500 V AC (min, typical for channel-to-channel and field-to-logic isolation)
Communication Interface	Dependent on specific module function (e.g., RS-485, Fiber Optic)
Protocol Support	Dependent on application (e.g., MODBUS, PROFIBUS DP, or proprietary)
Mounting	DIN-Rail or direct chassis insertion
Compatibility	Designed for use within specified ABB system racks (e.g., AC 800M, Drive systems)
Certifications	CE, cULus, ATEX (depending on specific variant and application)

Main Features and Advantages

The ABB 81943A041-1 module offers several key features that make it a superior choice for industrial applications. Its primary advantage is exceptional signal integrity and noise immunity. The module is designed with high-grade electrical isolation, protecting the sensitive control system from transients, ground loops, and noise commonly found in industrial settings. This ensures that analog and digital signals from sensors and actuators are accurately represented at the controller, which is fundamental for precise process control and data logging.

Another significant feature is its robust and compact design. The 81943A041-1 is constructed to withstand the rigors of industrial environments, including wide temperature fluctuations, vibration, and humidity. Its plug-and-play design allows for easy installation and replacement, while hot-swappable capabilities (in supported systems) enable maintenance and expansion without the need for a full system shutdown, thereby maximizing plant availability and productivity. Furthermore, the module is designed for full compatibility within the ABB ecosystem, which simplifies spare parts management and ensures long-term availability and support. The use of the genuine ABB 81943A041-1 module guarantees optimal performance and reliability, safeguarding your automation investment.

Application Field

The ABB 81943A041-1 module finds its application in a wide array of industries that rely on robust and precise control systems. In the process industries, such as oil and gas, chemicals, and pharmaceuticals, it is used within DCS racks to interface with critical field instrumentation, handling signals for flow, pressure, temperature, and level transmitters. Its high accuracy and reliability are essential for maintaining product quality, ensuring safety, and optimizing production efficiency in these continuous processes.

In discrete manufacturing and industrial motion control, the 81943A041-1 is often employed in drive and motor control systems. Here, it may serve as a key communication interface, linking variable frequency drives (VFDs) to higher-level controllers via fieldbus networks to enable coordinated motion control and energy management. It is also suited for power generation and water/wastewater treatment applications, where its environmental robustness and reliable signal processing capabilities are used to monitor and control pumps, valves, and turbines. The versatility of the ABB 81943A041-1 allows it to solve connectivity and signal integrity challenges across the automation landscape.

81943A041-1 ABB

Related Products

81943A040-1: A closely related variant or predecessor module within the same series, potentially with a different firmware or minor specification change.

SA811F: A typical ABB controller or main unit that the 81943A041-1 module would interface with or be installed alongside.

SPIET800: A communication module from another ABB series, highlighting a range of interface solutions available.

SPIET800A: An advanced or updated version of a related communication interface module.

SPIET800B: Another variant offering different protocol support or enhanced features for diverse application needs.

3BSE018105R1: A power supply module for system racks, providing necessary power to the 81943A041-1 and other components.

3BSE008516R1: A redundant controller module, representing the higher-level control hardware that this interface module would support.