The ICS Triplex T8312 is a Trusted TMR Expander Interface Adapter designed to bridge the triplicated inter-module bus between the main controller chassis and multiple expansion racks.It provides the physical connection points necessary to scale safety-critical I/O across a distributed hardware architecture.
Specifications
Models Available:T8312/4 (up to 4 expander chassis) and T8312/7 (up to 7 expander chassis).
Communication Bus:Triple Modular Redundant (TMR) Expander Bus.
Chassis ID Range:Supports IDs 1 through 15 via DIP switch settings.
Input Voltage:Derived from the Trusted Chassis backplane (24 Vdc).
Isolation:50V sustained channel-to-chassis.
Physical Weight:0.65 kg (1.43 lbs) net; 2 kg shipping weight.
Compatibility:Integrates with T8111/T8110 Processors and T8310 Expander Interfaces.
Safety Rating:IEC 61508 SIL 3 compliant when used in a Trusted system.
Features
Scalable Architecture:Enables the connection of up to 14 expander chassis by utilizing multiple adapters and software-defined ID mapping.
Hardware Addressing:Utilizes a simple DIP switch setup on the module to define Controller and Expander chassis identities (IDs).
High-Integrity Bridging:Maintains the 2oo3 (Two-out-of-three) voting integrity across the expanded bus to eliminate single points of failure.
Software Integration:Fully configurable within the Trusted system software for automated module recognition and diagnostic reporting.
Rugged Connectivity:Designed for industrial environments, ensuring stable data transmission between the processor interface and remote I/O modules.
Fault Detection: Monitors the health of the expansion links and reports bus errors directly to the main processor's fault historian.
