3850E Triconex Processor Module | TMR Fault-Tolerant CPU

Triconex 3850E Digital Input / Processor Module — Product Description

Overview

The Triconex 3850E serves as the main processor module for Tricon Safety Instrumented Systems (SIS), delivering high-performance, fault-tolerant processing for critical industrial applications. Utilizing triple-modular redundancy (TMR), it ensures continuous operation even in hardware fault scenarios. Moreover, its industrial-grade design guarantees reliable performance in harsh environments such as petrochemical plants, oil & gas platforms, and power generation facilities.

Technical Specifications

• Model Number: Triconex 3850E

• Type: Main Processor Module (CPU)

• System Compatibility: Triconex Tricon Safety Instrumented System (SIS)

• Architecture: Triple-Modular Redundancy (TMR)

• Processor Type: High-performance industrial CPU

• Memory: 32 MB application memory (typical)

• Execution Speed: Deterministic cycle time for safety logic

• Communication Interfaces: Peer-to-peer links, Ethernet, system bus

• Redundancy: Automatic failover between processors

• Hot-Swappable: Yes

• Diagnostics: Built-in self-test and fault detection

• Dimensions (H × W × D): 127 × 89 × 32 mm

• Weight: 0.6 kg

• Operating Temperature: –20 °C to +60 °C

• Storage Temperature: –40 °C to +85 °C

• Certifications: IEC 61508 SIL3, CE, UL, CSA, TUV

• Country of Origin: USA

FAQ

Q1: What is the processor architecture of the 3850E?
It uses Triple-Modular Redundancy (TMR) for high reliability and fault tolerance.

Q2: Can the module be replaced without shutting down the system?
Yes, it features a hot-swappable design for seamless replacement.

Q3: What safety standard does it comply with?
The 3850E is certified for SIL3 safety applications under IEC 61508.

Q4: How does it manage redundancy?
Automatic failover ensures uninterrupted operation between processor modules.

Q5: In which environments is this module suitable?
It is ideal for harsh industrial environments including petrochemical, oil & gas, and power generation facilities.