Product Description

The Rockwell T8432 is a high-reliability SIL3-certified dual analogue input module designed for Trusted TMR (Triple Modular Redundant) safety instrumented systems. As a core field signal acquisition unit for industrial safety control systems, it supports large-scale multi-point analogue signal collection, fault-tolerant data processing and high-precision state judgment, ensuring safe and stable operation of critical process safety loops.

This module adopts advanced 1oo2D fault-tolerant voting architecture with 60 duplicated input channels, providing comprehensive signal redundancy and fault diagnosis capability. It features independent channel line monitoring to detect open circuit and short circuit wiring faults, effectively eliminating field signal anomalies. Equipped with 2500V impulse withstand electrical isolation and 1ms high-precision SOE sequence of events recording function, it delivers accurate fault tracing and state recording performance. Supporting online hot-swap replacement and LED status indication, it adapts to long-term uninterrupted industrial operation and meets strict IEC 61508 SIL3 safety standards.

Main Specifications

1. Full Part Number: T8432; Product Type: Trusted series SIL3 safety dual analogue input module
2. Applicable System: Rockwell ICS TRIPLEX Trusted TMR safety instrumented systems (SIS)
3. Core Function: 24VDC analogue signal acquisition, fault-tolerant voting, wiring fault detection and SOE event recording
4. Channel Configuration: 60 duplicated dual redundant input channels for large-scale field signal collection
5. Fault Tolerance: Built-in 1oo2D voting architecture to achieve high-level system fault tolerance
6. Diagnostic Capability: Per-channel independent line monitoring for open/short circuit fault detection
7. Isolation Performance: 2500V impulse withstand opto-galvanic isolation for anti-interference protection
8. Event Recording: 1ms high-resolution on-board SOE function for accurate state change recording
9. Safety Certification: TÜV certified IEC 61508 SIL3 safety level for industrial critical safety applications
10. Maintenance Design: Support online hot-swap replacement without system shutdown

Core Functions

1. Act as the core multi-channel redundant signal acquisition unit for Trusted SIS safety systems.
2. Realize high-precision collection and duplicate sampling of 24VDC field analogue signals.
3. Execute 1oo2D fault-tolerant voting logic to ensure accurate and reliable signal judgment.
4. Detect field wiring open and short circuit faults in real time to avoid invalid monitoring data.
5. Record equipment state changes with 1ms resolution to support accurate fault analysis and tracing.
6. Provide SIL3-level safety guarantee for industrial critical process safety control loops.

Application Scenarios

1. Petrochemical and chemical industry SIS safety instrumented system signal monitoring
2. Power plant, oil and gas field critical process safety control and fault diagnosis platforms
3. High-risk industrial sites requiring SIL3-level safety certification and redundant monitoring
4. Replacement and upgrading of aging Rockwell Trusted series safety input modules
5. Large-scale industrial automation systems needing multi-channel high-reliability signal acquisition