Description
Technical Specifications
- Product Model: 3564
- Brand: TRICONEX
- Warranty: One Year
- Input Voltage: 24 VDC (15-30 VDC range; 36 VDC max)
- Operating Temperature: -40°C to +70°C
- Storage Temperature: -55°C to +85°C
- Response Time: <2 ms OFF-to-ON/ON-to-OFF
- Protection Class: IP20
- Accuracy Class: SIL 3/4 certified (IEC 61508/61511)
- Output Frequency: N/A (digital input)
- Rated Current Range: 2-3 mA turn-on; 20 mA max per point
- Communication Interface: Tricon/Trident backplane; external termination panel required
- Supported Protocols: Simplex digital input with stuck-ON/OFF testing
- Overload Capacity: 1500 VDC minimum point isolation
- Dimensions: 110 × 26 × 170 mm; 200 g
Product Overview
The TRICONEX 3564 is a high-density 64-point simplex digital input module for Triconex Trident safety systems, capturing 24 VDC discrete signals from safety-critical contacts, switches, and sensors in SIL 3/4 ESD and Fire & Gas applications. Optimized for cost-sensitive safety functions where maximum availability isn’t required, it processes inputs through triplicated critical paths with self-test circuitry detecting stuck-ON/OFF faults in <0.5 seconds. Unlike TMR modules, simplex design reports faulty points as OFF during hot-spare switchover, potentially causing brief glitches. Oil & gas, chemical, and power engineers use it for extensive ESD pushbutton arrays and interlock monitoring where point count exceeds TMR capacity. Opto-isolated, commoned inputs with 10 kΩ impedance and >3 kΩ nominal resistance handle diverse field devices while PASS/FAULT/ACTIVE LEDs and per-point status indicators enable rapid troubleshooting. Rugged construction supports hazardous locations. (162 words)
Key Functions
High-Density Point Capture
64 commoned 24 VDC inputs consolidate extensive ESD fences and interlock schemes into single-slot solutions, reducing chassis requirements.
Rapid Fault Detection
Self-test verifies stuck-ON/OFF conditions in <0.5 seconds; faulty points default to safe OFF state during diagnostics or hot-spare transfer.
Opto-Isolated Signal Conditioning
1500 VDC isolation rejects noise; >15 VDC ON/>6 VDC OFF thresholds with 4 VDC hysteresis prevent contact bounce false triggers.
Hot-Spare Support
Automatic module replacement during operation; brief input glitch possible during simplex switchover but maintains SIL verification.
Application Scenarios
ESD Pushbutton Consolidation
Refineries aggregate 64 ESD buttons per module across process units; high density reduces marshalling while rapid fault tests verify contact health.
Fire & Gas Contact Arrays
Platforms monitor extensive detector relays and manual stations; simplex cost optimization suits non-safety interlocks feeding ESD logic.
Machinery Interlock Fields
Power plants track vibration switches across turbine trains; 2 ms response captures rapid overspeed conditions while isolation rejects EMI.
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