Products Description
ICS Triplex T8451 Trusted TMR 24V DC Digital Output Module in stock
ICS Triplex T8451 is a high-density triple modular redundant (TMR) digital output module for Trusted safety instrumented system. It provides 40 channels of 24VDC safety outputs, adopting hardware voting architecture to realize fault-tolerant control for emergency shutdown and safety interlock loops.
This module is TÜV certified SIL3, equipped with per-channel line monitoring and overcurrent protection. It supports hot-swap replacement without system shutdown, and integrates SOE event recording with 1ms time resolution for safety event traceability.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | ICS Triplex (Rockwell Automation) |
| 2 | Model | T8451 |
| 3 | Module Type | TMR Digital Output Module |
| 4 | Compatible System | Trusted T8000 Safety Instrumented System |
| 5 | Channels | 40 channels 24VDC, divided into 5 power groups (8 channels/group) |
| 6 | Safety Level | IEC 61508 SIL3, TÜV certified |
| 7 | Operating Temperature | -20℃ ~ +60℃ |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Triple modular redundant hardware voting to ensure safety output when single circuit fails |
| 2 | Per-channel circuit monitoring to detect open circuit, short circuit and load faults |
| 3 | Built-in electronic overcurrent protection for each channel, no external fuse required |
| 4 | 1ms high precision SOE sequence of events recording for safety incident analysis |
| 5 | Hot swappable design, online module replacement without stopping SIS system |
Application Scenarios
| No. | Application |
|---|---|
| 1 | Oil & gas ESD emergency shutdown safety instrumented system |
| 2 | Petrochemical, chemical plant safety interlock and fire & gas protection system |
| 3 | Power plant boiler, turbine safety protection and trip control system |
| 4 | Pharmaceutical, pulp & paper high-risk process safety control cabinet |
| 5 | ICS Triplex Trusted SIS spare parts replacement and system upgrade |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q:What is ICS Triplex T8451? A:It is SIL3 TMR 40-channel 24VDC digital output module for Trusted SIS safety shutdown system. |
| 2 | Q:Does T8451 support hot swap? A:Yes, it supports online hot replacement with companion slot or SmartSlot configuration. |
| 3 | Q:What is the function of SOE? A:SOE records safety events with 1ms resolution to help post-fault root cause analysis. |
