ABB TU837V1

The ABB TU837V1 is a specialized industrial automation component manufactured by ABB. Based on extensive market data and technical documentation, this part number identifies a Modular I/O Terminal Unit or Extension Terminal Block primarily belonging to the ABB S800 I/O system and Bailey Infi 90 / Symphony Plus DCS (Distributed Control System) families. It serves as a critical interface for expanding input/output capabilities, providing robust signal connection, and ensuring reliable operation within complex control architectures. This product is a mature but actively maintained spare part, essential for ensuring the continuity of operations in older industrial control systems. It is distinct from general-purpose I/O modules due to its specific role in terminal expansion, signal distribution, and fused protection.

ABB TU838 3BSE008572R1 PROFIBUS Redundancy Link Module

Product Overview The ABB TU838 3BSE008572R1 is a PROFIBUS DP protocol-based fieldbus redundancy link module designed to ensure reliable communication in industrial automation systems. It enables seamless conversion between single-cable and redundant dual-cable PROFIBUS DP networks, enhancing system fault tolerance. The module supports bidirectional data transmission and is compatible with ABB’s distributed control systems (DCS) and other industrial networks.

ABB TU838 Extended Module Termination Unit (MTU)

Technical Specifications Electrical Parameters Input voltage: 24V DC ± 20%. Maximum input current: 5mA and 0.5A. Maximum current per I/O channel: 3A. Maximum current for process connection: 10A. Dielectric test voltage: 500V AC. Electrical isolation: >100MΩ. I/O Channel Parameters Number of digital input/output channels: 16 each. Number of analog input/output channels: 8 each. Input type: Single-ended and differential. Output type: Relay. Supported I/O modules: AI810, AI815, AI845, DO820, DO821, etc..

ABB TU840 Terminal Control Unit Base Module

Product Overview The ABB TU840 is a terminal control unit base module specifically designed for distributed I/O applications in industrial automation systems. It serves as a crucial component in connecting and expanding distributed I/O devices, enabling seamless signal acquisition, control, and communication. The TU840 is engineered to meet the demands of complex industrial environments, providing reliable and efficient operation. Technical Specifications
  • Brand: ABB
  • Model: TU840

ABB TU842

Product Introduction The ABB TU842 is a terminal control unit baseplate module designed specifically for industrial automation systems. It serves as a crucial component in connecting and supporting various I/O (Input/Output) modules within the ABB S800 I/O system. The TU842 is engineered to facilitate efficient communication and reliable operation in distributed I/O applications, ensuring seamless integration with automation controllers.

ABB TU843 3BSE021443R1

Product Overview The ABB TU843 3BSE021443R1 is a terminal unit designed for integration with ABB's Industrial IT System 800xA, a distributed control system (DCS) widely used in industrial automation. This terminal unit serves as an interface for connecting input/output (I/O) modules to the system, facilitating signal transmission and control functions. Technical Specifications
  • Model Number: TU843
  • Order Code: 3BSE021443R1

ABB TU846

Product Overview The ABB TU846 is a module termination unit (MTU) designed for redundant configuration of field communication interfaces in ABB's System 800xA. It serves as a passive unit, facilitating connections for power supply, electrical ModuleBuses, and communication modules such as CI840/CI840A. The TU846 ensures reliable signal transmission and isolation, enhancing system stability and reducing interference in industrial automation environments. Technical Specifications
  • Power Supply: 24 V AC (19.2 V to 30 V)

ABB TU847 3BSE022462R1 Compact Terminal Unit Module

Product Overview The ABB TU847 is a high-performance terminal unit module designed for the S800 I/O series within the ABB Ability™ System 800xA automation platform. It serves as a critical interface between field devices (sensors, actuators) and control systems (PLC, DCS), enabling efficient signal processing, isolation, and centralized management. Its compact design supports high-density wiring, making it ideal for industrial environments requiring reliable and scalable automation solutions.

ABB TU847 Module Termination Unit (MTU)

Technical Specifications

  • Model: TU847 (specific suffix may include 3BSE022462R1)
  • Product Type: CI840/CI840A redundant terminal unit; base module
  • Product Series: ABB S800 I/O module series
  • Operating Voltage: 24V DC (19.2V - 30V)
  • Operating Temperature Range: -40°C to +85°C; 55°C (horizontal installation); 40°C (vertical installation)
  • Storage Temperature Range: -25°C to +70°C
  • Dimensions: 120mm×80mm×40mm; 186mm×124mm×47mm
  • Protection Class: IP67
  • Weight: Approximately 0.5kg; approximately 0.55kg
  • Communication Interface: Supports protocols such as Profibus and Modbus; equipped with DSUB9 connector for PROFIBUS and RJ45 connector for service port
  • I/O Ports: Supports up to 8 terminal points
  • Mounting Method: Vertical or horizontal installation; DIN rail fixing
  • Power Connection: Built-in power connector and TB80 module bus terminal
  • Rated Insulation Voltage: 50V
  • Number of Bearable Modules: Can carry two CI840/CI840A modules
  • Environmental Humidity: 95% (non-condensing)
  • Certification: CQ

ABB TU848

Product Overview The ABB TU848 is a Module Termination Unit (MTU) designed for redundant configurations in industrial automation systems. It serves as a passive interface connecting power supplies, electrical ModuleBuses, and communication modules (e.g., CI840/CI840A) to ensure high system reliability. The TU848 supports redundant I/O setups, making it ideal for critical applications requiring uninterrupted operation. Technical Specifications
  • Power Supply: 24 V DC (19.2 V to 30 V)

ABB TU890 3BSC690075R1 Compact Intrinsic Safety Module Termination Unit

Technical Specifications

  • Type: Module Termination Unit (MTU)
  • Channels: 8
  • Voltage Rating: Up to 50V (limited by I/O module design)
  • Current per Channel: Maximum 2A
  • Wire Size Compatibility:
    • Process connector: Solid 0.2–4mm², stranded 0.2–2.5mm² (24–12 AWG)
    • Power supply connector: 0.25–2.5mm² (24–14 AWG)
  • Torque Requirement: 0.5–0.6Nm
  • Dielectric Test Voltage: 500V AC
  • Mounting: Horizontal on DIN rail
  • Operating Temperature: 0 to +55°C
  • Storage Temperature: -40 to +70°C
  • Humidity: 5–95% non-condensing
  • Certifications: ATEX, IECEx, CFMUS, ABS, BV, DNV-GL, LR
  • Protection Class: IP20
  • Pollution Degree: IEC 60664-1, Degree 2
  • EMC Compliance: EN 61000-6-4, EN 61000-6-2
  • RoHS Compliance: Yes

ABB TVB3101-1ISC

Product Introduction The ABB TVB3101-1ISC is a semiconductor module designed for industrial automation and control systems. It plays a crucial role in applications involving electromagnetic drive, signal processing, and electrical control. The module is known for its high reliability, flexibility, and ease of integration into various industrial setups.