The Triconex 3503E is the main processor module for Triconex Tricon v9/v10/MX safety systems, serving as the brain of the Safety Instrumented System (SIS). Here's a comprehensive technical breakdown:
Triconex 3503E – Technical Specifications
1. Core Functionality
Module Type: Main Controller (TMR CPU)
Architecture: Triple Modular Redundant (TMR) with 3x 32-bit processors
Scan Time: As fast as 1ms for critical safety logic
Memory:
6MB SRAM (per processor)
8MB Flash (program storage)
2. Key Features
Voting Mechanism: 2-out-of-3 voting on all I/O and communications
Fault Tolerance: Single fault tolerant (continues operation with one failed channel)
Hot-Swappable: Replaceable without system shutdown
Watchdog Timers: 3 independent levels for fail-safe operation
3. Performance Specifications
Parameter Specification
Logic Execution 0.1ms/Bool instruction
I/O Capacity Up to 15,000 I/O points
Communication Ports 2x RS-232/RS-485 (TriStation programming)
System Throughput 50,000 digital I/O updates/sec
4. LED Status Indicators
LED Color Meaning
PWR Green Power OK
OK A/B/C Green Processor healthy
FLT A/B/C Red Processor fault
COM Yellow Communication activity
5. Environmental Ratings
Operating Temp: -40°C to +70°C
Humidity: 5-95% non-condensing
Shock/Vibration: 5g operational, 15g non-operational
6. Certifications
Safety: IEC 61508 SIL 3, TÜV certified
Hazardous Areas: ATEX, IECEx (Zone 2)
Industrial: UL, CE, cULus