Description
Technical Specifications
- Product Model: 3624
- Brand: TRICONEX
- Warranty: One Year
- Input Voltage: 24 V DC nominal (16-30 V DC range; 36 V DC max)
- Operating Temperature: -40°C to +70°C
- Storage Temperature: -40°C to +85°C
- Response Time: <5 ms relay switching
- Protection Class: IP20
- Accuracy Class: SIL 3 capable TMR supervised output
- Output Frequency: N/A (digital steady-state)
- Rated Current Range: 0.7 A continuous per channel; 4.8 A surge (10 ms); min 30 mA load
- Communication Interface: Tricon/Tricon CX backplane
- Supported Protocols: TMR 2oo3 voting; voltage/current loopback diagnostics
- Overload Capacity: 1500 V DC isolation; self-protected switches
- Dimensions: 41 × 2 × 40 cm; 2.19 kg
Product Overview
The TRICONEX 3624 is a 16-channel TMR supervised digital output module for Tricon SIL 3 safety instrumented systems, driving solenoid valves, trip relays, and alarm actuators with fault-tolerant 2-out-of-3 voting and complete field circuit diagnostics. It processes identical commands from three main processors through independent output switches, verifying switch health, wiring integrity, and load presence via voltage/current loopback without de-energizing field devices. Oil & gas, chemical, and power engineers use it for ESD, Fire & Gas, burner management, and HIPPS where undetected output failures cannot be tolerated. Hot-swappable design and comprehensive LED diagnostics (PASS/FAULT/POWER/ACTIVE/LOAD per point) enable online maintenance while maintaining 99.999% availability. Commoned sinking outputs with self-protection eliminate external fusing needs, supporting continuous 0.7 A (4.8 A surge) operation across harsh industrial environments. (158 words)
Key Functions
TMR Supervised Output Execution
Three independent channels vote 2oo3 on processor commands; loopback diagnostics confirm switch operation and field circuit health without interrupting loads. Single channel faults auto-isolate seamlessly.
Complete Field Circuit Monitoring
Voltage/current supervision detects opens, shorts, overloads, and missing loads (min 30 mA) even when energized; LOAD alarms activate without safety impact. Extends SIL verification to field wiring.
Surge-Protected High Capacity
0.7 A continuous with 4.8 A/10 ms surge handles solenoid inrush; 1500 VDC isolation and self-protection contain faults without external fuses or contactors.
Real-Time Visual Diagnostics
Per-point ACTIVE/LOAD LEDs plus module PASS/FAULT/POWER status enable immediate troubleshooting during panel inspections and proof testing.
Application Scenarios
ESD Solenoid Valve Arrays
Refineries drive 16 isolation solenoids; supervision confirms coil continuity during bypass tests while TMR prevents partial strokes from single processor faults.
Fire & Gas System Actuators
Platforms control deluge valves and gas mitigation solenoids; field monitoring verifies readiness annually while hot-swap maintains continuous F&G coverage.
Turbine Trip Circuits
Power plants actuate electro-hydraulic accumulators; surge capacity overcomes inrush while diagnostics log pressure confirmation for regulatory audits.
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