Product Overview

The ABB 3BHB000272R0101, commercially known as the ABB UFC719 AE101 or IOEC I/O Interface Module, is a sophisticated I/O interface board engineered for ABB’s premier distributed control systems. This module serves as a critical bridge between field devices and the central controller, managing both analog and digital signals with exceptional precision and reliability . Designed for integration into ABB Symphony Plus, Advant OCS, and AC800M control architectures, the ABB 3BHB000272R0101 processes input signals from sensors and transmitters while delivering output commands to actuators and final control elements .

The ABB UFC719 AE101 features a comprehensive I/O configuration that includes 16 digital input channels, 16 digital output channels, 8 analog inputs (supporting 0-10V and 4-20mA signals), and 8 analog outputs . This versatile channel mix makes the ABB 3BHB000272R0101 particularly valuable in applications requiring simultaneous handling of discrete status signals and continuous process variables. The board communicates with the system controller via optical ModuleBus and internal backplane bus, ensuring high-speed, noise-immune data exchange . With galvanic isolation of 1500V RMS between I/O and logic circuits, the ABB 3BHB000272R0101 protects sensitive control electronics from field-side transients. Its wide operating temperature range of -25°C to +70°C and IP20 protection rating ensure reliable performance in demanding industrial control cabinet environments .

 

Technical Specifications

Parameter Name	Value
Product Model	3BHB000272R0101
Alternate Designation	UFC719 AE101 / IOEC I/O Interface
Manufacturer	ABB
Product Type	I/O Interface Module / Control Board
Series	IOEC / Symphony Plus / Advant OCS
Supported Systems	ABB Symphony DCS, Advant OCS, AC800M, ACS800/ACS880 Drive I/O
Supply Voltage	24 V DC (18 – 36 V DC range)
Power Consumption	< 6 W (Typical)
Digital Inputs	16 Channels (Configurable)
Digital Outputs	16 Channels (Configurable)
Analog Inputs	8 Channels (0-10V / 4-20mA)
Analog Outputs	8 Channels (0-10V / 4-20mA)
Isolation Voltage	1500 V RMS (I/O to Logic)
Communication	Optical ModuleBus, Internal Backplane Bus, RS-485
Sampling Rate	Up to 1 kHz per Channel
Operating Temperature	-25°C to +70°C
Storage Temperature	-40°C to +85°C
Protection Rating	IP20
Dimensions (Typical)	180 × 100 × 40 mm
Weight	Approx. 0.3 – 0.5 kg
Certifications	CE, UL, ATEX Zone 2, RoHS

 

Main Features and Advantages

Comprehensive I/O processing capability: The ABB 3BHB000272R0101 offers an exceptional combination of digital and analog I/O channels, providing 16 digital inputs, 16 digital outputs, 8 analog inputs, and 8 analog outputs in a single compact module . This high-density configuration eliminates the need for multiple separate modules in many applications, reducing cabinet space requirements and simplifying system architecture. The analog channels support both 0-10V and 4-20mA signal ranges, accommodating a wide variety of field instrumentation including pressure transmitters, temperature sensors, and valve positioners . The digital channels handle discrete signals from limit switches, pushbuttons, contactors, and status indicators with opto-isolation ensuring reliable operation in electrically noisy environments.

Intelligent diagnostic and protection features: The ABB UFC719 AE101 incorporates comprehensive diagnostic capabilities including open-circuit detection, short-circuit monitoring, and over-temperature alarms . Channel-level status LEDs provide immediate visual feedback for rapid troubleshooting, enabling maintenance personnel to identify faulty I/O points without connecting external test equipment . The 1500V RMS galvanic isolation between field-side I/O and control logic protects the system backplane and central controller from voltage transients and ground loops . The ABB 3BHB000272R0101 also features built-in surge and reverse-polarity protection on the power supply input, ensuring robust operation despite power irregularities .

Seamless system integration and communication: The ABB 3BHB000272R0101 communicates with the system controller via optical ModuleBus, providing high-speed, noise-immune data exchange that is essential for deterministic control performance . This optical interface eliminates the electrical noise susceptibility typical of copper-based fieldbus connections in high-EMI environments such as power plants and heavy industrial facilities. The board supports both ABB’s native Symphony/Advant system bus protocols and serial RS-485 communication, enabling integration with a broad range of ABB controllers including AC800M, PM861, and PM865 processors . The ABB UFC719 AE101 is engineered for hot-swappable replacement in compatible systems, minimizing downtime during maintenance or module upgrades.