The Triconex 3008N serves as a high-performance cornerstone for the Triconex Safety Instrumented System (SIS). This module functions as a high-density Digital Input interface, bridging discrete field devices with the central controller logic. We provide this component as 100% brand new and original, ensuring full compliance with SIL 3 safety standards. Built upon the industry-leading Triple Modular Redundancy (TMR) architecture, the 3008N provides continuous, fault-tolerant processing of critical safety signals, even in the event of a hardware failure.
The 3008N combines high channel density with extreme environmental resilience:
| Feature | Specification Details |
| Model Number | 3008N |
| Input Channels | 32 Digital Input Points |
| Signal Type | Discrete (Typically 24 V DC Contact Signals) |
| Architecture | Triple Modular Redundancy (TMR) |
| Safety Integrity | SIL 3 Compliant |
| Isolation | Channel-to-System Electrical Isolation |
| Operating Temp | –40 °C to +70 °C |
| Dimensions | 2.2 cm x 40.5 cm x 40 cm |
| Weight | 1.2kg |
| Country of Origin | USA |
TMR Architecture for Zero Downtime: The 3008N utilizes three independent processing paths that vote on every input signal. This design allows the system to identify, report, and ignore a single-path failure, maintaining process uptime and preventing nuisance trips.
Comprehensive Diagnostic Coverage: Built-in routines monitor for open circuits and internal faults. Front-panel LED indicators provide instantaneous status updates, allowing maintenance personnel to troubleshoot without interrupting the safety logic.
Superior Environmental Hardness: This module operates reliably between -40 °C and +70 °C and resists mechanical shocks up to 30 g. These specifications ensure performance in the most volatile oil & gas, petrochemical, and power generation environments.
High-Density Logic Integration: Consolidating 32 channels into a single module optimizes rack space and simplifies the overall system architecture. This efficiency reduces the total cost of ownership while maximizing safety coverage.
What is the primary function of the 3008N in a Triconex rack?
The 3008N monitors discrete field inputs—such as emergency stop buttons, pressure switches, and level sensors. It translates these signals into the digital data required for the safety controller to execute emergency shutdown (ESD) or interlock logic.
Does this module support hot-swapping?
Yes. Like most Triconex TMR modules, the 3008N supports hot-swapping within a powered rack, provided the system configuration allows for it. This enables module replacement without shutting down the entire safety process.
How does the 3008N handle electrical noise?
The module incorporates robust channel-to-system isolation and requires shielded wiring to suppress EMI and RFI. This ensures that only true field transitions trigger the safety logic, maintaining high signal integrity in noisy industrial settings.
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