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ABB - Process Automation 3BSC950193R1 - TB850 CEX-Bus Terminator
ABB - Process Automation

3BSC950193R1


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Overview

The ABB TB850 CEX-Bus Terminator (SKU: 3BSC950193R1) is a bus accessory from ABB Process Automation designed to terminate CEX-Bus communication lines. This terminator is essential for ensuring signal integrity and preventing signal reflections on the CEX bus. It features a 25-pin DB25P male connector and screw fixing for secure installation. According to ABB documentation, a TB850 terminator must always be installed on the last unit on the CEX bus to maintain reliable data transmission in industrial automation networks. This component is critical for stable communication within systems utilizing CEX-Bus protocols.
  • Terminates CEX-Bus communication lines
  • Ensures signal integrity and prevents reflections
  • Features a 25-pin DB25P male connector
  • Includes screw fixing for secure installation
  • Required on the last unit of the CEX bus

Specifications

Connection Type
DB25P Male Connector, Screw Fixing
Mounting Type
DIN Rail
Mounting Type
Screw Fixing
Poles
25P
Series
TB850
Series
TB850 CEX-Bus Terminator
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Frequently Asked Questions

Where should the TB850 CEX-Bus Terminator be installed?

A TB850 CEX-Bus terminator must always be installed on the last unit on the CEX bus.

What type of connector does the TB850 have?

The TB850 CEX-Bus Terminator features a 25-pin DB25P male connector.

How is the TB850 CEX-Bus Terminator secured?

The TB850 CEX-Bus Terminator is secured using screw fixing.

How to Install the ABB TB850 CEX-Bus Terminator

Step-by-step guide for installing the TB850 CEX-Bus Terminator on the last unit of a CEX bus.

Estimated time: 15m

Tools needed:

Screwdriver

  1. Identify the last unit on the CEX bus.

    Locate the final device in the CEX bus communication chain where the terminator needs to be installed.

  2. Connect the TB850 terminator.

    Connect the 25-pin DB25P male connector of the TB850 CEX-Bus Terminator to the appropriate port on the last unit.

  3. Secure the terminator.

    Use the screw fixing mechanism on the TB850 to securely fasten the terminator in place.

Frequently Asked Questions about ABB - Process Automation

What certifications and standards do ABB - Process Automation products comply with?

ABB - Process Automation products comply with an extensive range of international, national, and marine certifications, including IEC, EN, UL, CSA, CE, and marine classification society standards. Key certifications include IEC 60947 series standards for low-voltage switchgear, UL and CSA approvals for North American markets, CE marking for European compliance, and marine approvals from societies like Bureau Veritas, DNV, and Lloyd's Register of Shipping.

What industries and applications are ABB - Process Automation products used for?

ABB - Process Automation products are engineered for critical applications across multiple heavy-duty and process industries, including Chemical, Energy, Oil and Gas, Mining, Metals, Pulp and Paper, Marine and Offshore, Food and Beverage, and Water/Wastewater. Their solutions cover a wide range of applications such as pump and compressor systems, conveyors, cranes, hoists, fans, and complex industrial automation requirements, with specialized drive systems designed for high-reliability environments and sustainable industrial operations.

What technical support does ABB - Process Automation offer?

ABB - Process Automation offers comprehensive technical support through a full range of lifecycle services, including 24/7 support, software maintenance, technical assistance, repairs, spare parts logistics, training, and customized service agreements. Their technical support covers system diagnostics, cyber security, performance checks, and provides ongoing optimization to maximize plant availability, reliability, and operational excellence.

What are the main product lines offered by ABB - Process Automation?

ABB - Process Automation offers the comprehensive Compact Product Suite, which includes process controllers, field interfaces, HMIs, and control systems designed for industrial automation. Key product lines include the AC 800M Controller, S800 I/O systems, HR Series Controllers, SD/SDe Controllers, and ABB Ability™ Symphony® Plus platform. These products provide seamless integration, scalability, and high performance across process industries, supporting everything from small to large multi-system configurations.

What are the key features of ABB - Process Automation products?

ABB - Process Automation products feature a SIMPLE, SCALABLE, SEAMLESS, and SECURE total plant automation solution. The Symphony Plus system offers comprehensive integration across plant operations, supporting everything from small to large multi-system configurations with seamless device and system connectivity. Key capabilities include advanced cybersecurity, flexible control platforms, and the ability to integrate new technologies and functionalities incrementally while protecting existing control system investments.

What communication protocols do ABB - Process Automation products support?

ABB - Process Automation products support a comprehensive range of industrial communication protocols, including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, and Modbus RTU. Additional supported protocols include IEC 61850, OPC UA, and MasterBus 300, providing flexible connectivity for diverse industrial automation requirements.

What environmental ratings do ABB - Process Automation products have?

ABB - Process Automation products feature robust environmental ratings across multiple standards. Typical ratings include IP54 to IP66 protection levels, with options for dust-tight and water-resistant enclosures. Products are certified for various environmental conditions, including CSA and CE standards, with specific ratings for industrial and outdoor applications ranging from NEMA Type 1 to Type 4X enclosures.

What accessories are available for ABB - Process Automation products?

ABB - Process Automation offers a comprehensive range of accessories for motor protection and control products. Key accessories include expansion modules like the DX111-FBP.0 (digital inputs), VI150-FBP.0 (voltage module), and AI111.0 (analog/temperature module). Additional accessories span auxiliary contact blocks, electronic timers, interlocks, interface relays, terminal blocks, connection accessories, and mounting pieces for contactors and motor starters.

How are ABB - Process Automation products typically installed?

ABB - Process Automation products are installed through a comprehensive, professional process that includes precise equipment verification, systematic assembly, secure electrical connections, and thorough pre-commissioning and commissioning tests. Installation services cover critical steps such as foundation frame verification, equipment assembly, bushing and busbar installation, control cable connections, earthing system connection, and comprehensive functional testing to ensure optimal performance and reliability.

What is ABB - Process Automation's warranty policy?

ABB - Process Automation offers standard and extended warranty options for its industrial automation products. For specific product lines like S800 I/O, S900 I/O, Fieldbus, and AC 800M, customers can purchase extended warranty coverage ranging from 12 to 48 additional months. The extended warranty pricing is calculated as a percentage (3-12%) of the affected hardware articles in the order, with terms governed by ABB AB in Sweden's Process Control Products supply conditions.