ABB - Process Automation Pinnacle Partner Distributor
ABB - Process Automation 3KDE175111L9210 - TU921S Red. Termination Unit (TU16R-Ex)
ABB - Process Automation

3KDE175111L9210


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Overview

The ABB TU921S (SKU: 3KDE175111L9210) is a Redundant Termination Unit (TU16R-Ex) designed for 16 I/O modules. Manufactured by ABB Process Automation, it provides redundant communication and power delivery. This unit supports secure, reliable connections in industrial control panels, machinery, and process automation systems. Its compact design enables installation in tight spaces while ensuring durable termination for signal and power wiring. Ideal for hazardous environments requiring compliant, high-integrity connections. Includes CD910 accessory for immediate deployment.
  • Redundant communication and power for 16 I/O modules
  • Compact design for installation in tight spaces
  • Includes CD910 accessory for immediate deployment
  • Supports secure, reliable connections in industrial environments
  • Ideal for hazardous environments requiring compliant connections

Specifications

CE mark
Yes
Climatic operating conditions
Relative humidity max. 93% +/- 3% at 40C
Color
Red
Corrosive atmosphere ISA-S71.04
G3
Depth
147 mm (5.8 in.)
Hazardous Location
ATEX Zone 1
Height
274 mm (10.8 in.)
Intrinsic safety
Yes
Max ambient temperature
-20C...+60C
Mechanics
S900
Redundancy
No
RoHS compliance
DIRECTIVE/2011/65/EU (EN 50581:2012)
Series
TU16R-Ex
Signal type
Redundant termination unit
SOE
N/A
Supported wire size
0.5 ... 2.5 mm2
WEEE category
Small Equipment (No External Dimension More Than 50 cm)
WEEE compliance
DIRECTIVE/2012/19/EU
Weight
3.79 kg (8.35 lbs.)
Width
498 mm (19.6 in.)
BCS-NX5210

66.014.927-2

BCS-NX5210
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iR-ETN

iR SERIES MODBUS TCP/IP COUPLER
White colored plastic coated paper

3BSE072160R1

White colored plastic coated paper
iR SERIES MOTION CONTROL MODULE

iR-PU01-P

iR SERIES MOTION CONTROL MODULE
iR SERIES 4 CHANNEL ANALOG INPUT

iR-AI04-VI

iR SERIES 4 CHANNEL ANALOG INPUT
iR SERIES CANopen SLAVE COUPLER

iR-COP

iR SERIES CANopen SLAVE COUPLER
iR SERIES 4 CHANNEL ANALOG OUTPUT

iR-AQ04-VI

iR SERIES 4 CHANNEL ANALOG OUTPUT
iR SERIES E - CAT

iR-ECAT

iR SERIES E - CAT

Frequently Asked Questions

Does the TU921S include any accessories?

Yes, the delivery includes the CD910 accessory.

Where is the TU921S manufactured?

The TU921S is manufactured in the US by ABB Process Automation.

What is the maximum number of I/O modules supported?

The TU921S supports up to 16 I/O modules.

Is the TU921S designed for hazardous environments?

Yes, the TU921S (TU16R-Ex) is designed for hazardous environment compliance.

What power supply does the TU921S require?

The TU921S provides redundant power for connected I/O modules.

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.