Exact Configuration
The page separates exact ordering-code data from family-level capabilities.
Rockwell Automation T8311CX Trusted TMR Expander Interface
A Trusted triple modular redundant expander interface that connects the controller chassis Inter-Module Bus to the triplicated Expander Bus.
Product functionTMR Expander Interface
SeriesSeries C
Documented suffixesC and X may follow T8311
Supply voltage20–32 V DC
Product Overview
T8311CX is identified in the Trusted system documentation as a Series C TMR Expander Interface. The module provides three fault-contained regions and supports active/standby operation between paired expander interfaces.
Procurement and maintenance teams should match the complete product designation and the published interfaces, supply, environmental and installation requirements.
Technical Data
Product functionTMR Expander Interface
SeriesSeries C
Documented suffixesC and X may follow T8311
Supply voltage20–32 V DC
Power dissipation29 W
ArchitectureThree fault-contained regions: A, B and C
System interfacesInter-Module Bus and triplicated Expander Bus
RedundancyActive/standby operation with paired modules
Supply arrangementRedundant 24 V DC feeds
Key Features
Documented Interfaces
Only interfaces stated for this configuration are included.
Industrial Integration
The product is installed within its manufacturer-defined controller or I/O architecture.
System Integration
System Position
T8311CX occupies the documented controller, interface, cable, FTA or isolation role.
Matched Hardware
Use the manufacturer-listed companion hardware and connector arrangement.
Engineering Data
Apply the published electrical, environmental and configuration limits.
Technical FAQ
What is T8311CX?
T8311CX is a Rockwell Automation trusted tmr expander interface described by the manufacturer data summarized on this page.
Which configuration data should be checked for T8311CX?
Check the complete T8311CX ordering code, published electrical data, interfaces and matched system hardware.
How should T8311CX be installed?
Install T8311CX using the manufacturer instructions, documented mounting method, supply limits and companion hardware.
What should be verified before replacing T8311CX?
Verify the full T8311CX designation, hardware revision, connector or handle format, and installed-system configuration.
What information should accompany an enquiry for T8311CX?
Provide the complete T8311CX designation, installed-system details, hardware revision and required quantity.
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Sales Contact
Send the complete model designation, revision and required quantity.
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