
Product Overview
The ABB Procontic CS31 07KT92D is a high-performance optical communication interface module designed for the ABB Procontic CS31 fieldbus network,a critical backbone in large-scale distributed control systems(DCS)and programmable logic controller(PLC)architectures.As part of ABB’s robust industrial networking ecosystem,the ABB Procontic CS31 07KT92D enables long-distance,noise-immune data transmission between remote I/O stations,controllers,and supervisory systems using fiber optic cabling.This module is specifically engineered to support redundant ring topologies,ensuring continuous operation even in the event of cable breaks or node failures—making it ideal for mission-critical applications in power plants,refineries,and manufacturing facilities.
Operating at a data rate of 10 Mbps,the ABB Procontic CS31 07KT92D utilizes dual-channel fiber optic transceivers with a wavelength of 1300 nm,supporting transmission distances of up to 5 kilometers per segment.It functions as a physical layer interface within the CS31 network,converting electrical signals from the controller rack into optical signals for reliable,high-speed communication across electrically noisy or hazardous environments.The module integrates seamlessly with other components in the AC 450,AC 800M,and earlier Modicon-based control platforms that utilize the CS31 bus architecture.With its rugged design,built-in diagnostics,and support for both point-to-point and ring configurations,the ABB Procontic CS31 07KT92D delivers exceptional reliability and uptime,forming the nervous system of complex automation networks where data integrity and fault tolerance are paramount.
Technical Specifications
Product Model|ABB Procontic CS31 07KT92D
Manufacturer|ABB
Product Type|Fiber Optic Communication Module
Bus System|ABB Procontic CS31
Data Rate|10 Mbps
Transmission Medium|Duplex multimode fiber optic cable
Wavelength|1300 nm
Number of Channels|2(Dual port for ring topology)
Maximum Distance|Up to 5 km per link
Connector Type|ST or SMA(depending on variant)
Electrical Interface|CS31 backplane connection
Optical Output Power|-14 dBm typical
Receiver Sensitivity|-34 dBm minimum
Power Supply|Via CS31 rack backplane(+5 VDC)
Operating Temperature|0°C to+60°C
Storage Temperature|-40°C to+85°C
Humidity|5%to 95%RH,non-condensing
Compliance|IEC 61000-6-2,IEC 61000-6-4,CE
Main Features and Advantages
The ABB Procontic CS31 07KT92D stands out for its ability to provide highly reliable,long-range communication in demanding industrial environments.Its dual-port fiber optic interface supports redundant ring configurations,enabling automatic failover within milliseconds if a break occurs in the network—ensuring uninterrupted data flow and process continuity.This fault-tolerant capability is essential in industries such as oil&gas and power generation,where unplanned downtime can result in significant financial and safety consequences.By using fiber optics,the ABB Procontic CS31 07KT92D eliminates issues related to electromagnetic interference(EMI),ground loops,and lightning-induced surges,making it ideal for deployment in high-voltage switchyards,turbine halls,and long-distance pipeline monitoring systems.
Another key advantage of the ABB Procontic CS31 07KT92D is its seamless integration with ABB’s legacy and modern control platforms.It connects directly to the CS31 backplane without requiring external converters or drivers,simplifying installation and reducing points of failure.Each channel features individual LED indicators for transmit,receive,and link status,allowing technicians to quickly diagnose connectivity issues during commissioning or maintenance.The module’s robust metal housing and industrial-grade components ensure long-term durability under extreme temperature fluctuations and mechanical stress.Designed for use in both new installations and system upgrades,the ABB Procontic CS31 07KT92D extends the life of existing CS31-based infrastructures while maintaining high-speed,secure communication across geographically dispersed sites.Its proven performance over decades has made it a trusted component in critical process automation networks worldwide.
Application Field
The ABB Procontic CS31 07KT92D is widely deployed in industrial sectors requiring resilient,long-distance communication between control nodes.In thermal and hydroelectric power plants,it links remote I/O cabinets located near turbines and generators to central control rooms,transmitting real-time operational data despite high levels of electrical noise.Oil refineries and petrochemical complexes use the ABB Procontic CS31 07KT92D to connect distributed valve stations and pump skids across vast plant areas,ensuring reliable supervision and emergency shutdown capability.Water and wastewater treatment facilities benefit from its immunity to ground potential differences when linking pump houses and lift stations separated by several kilometers.
In manufacturing,particularly in steel mills and paper machines,the ABB Procontic CS31 07KT92D enables synchronization of high-speed production lines where timing precision and data integrity are crucial.Its ability to form optical rings makes it especially valuable in rail signaling and tunnel ventilation systems,where network redundancy is mandatory for safety compliance.Even as newer Ethernet-based protocols emerge,many operators continue to rely on the ABB Procontic CS31 07KT92D due to its proven track record,ease of maintenance,and compatibility with installed base systems.Whether used in greenfield projects or brownfield retrofits,this module plays a vital role in ensuring that critical automation data travels securely and efficiently across challenging physical landscapes.
Related Products
ABB 07KT91D–Electrical CS31 repeater module for copper-based networks,used when fiber is not required.
ABB 07KT93D–Enhanced fiber optic module with extended diagnostics and improved signal monitoring.
ABB AC450-CPU 140–Central processing unit that often interfaces with the ABB Procontic CS31 07KT92D in legacy systems.
ABB 07KT90D–CS31 bus terminator module used to close network segments and prevent signal reflection.
ABB CI854–Modern communication interface for AC 800M systems,providing migration path from CS31.
ABB 07KT94D–Quad-port fiber optic hub module for expanding network connectivity.
ABB 3BHE018688R0101–Replacement rack adapter for mounting ABB Procontic CS31 07KT92D in standard chassis.
ABB 07KT80–CS31 bus monitor tool used for troubleshooting and traffic analysis on networks using the ABB Procontic CS31 07KT92D.
ABB 3BSC901001R1–Multimode fiber optic cable assembly optimized for use with the ABB Procontic CS31 07KT92D.
ABB 07KT95D–Redundant power supply module for CS31 communication racks supporting ABB Procontic CS31 07KT92D deployments.