Triconex 3604E is a 16‑point, 24VDC, non‑commoned, optically isolated digital output module with Triple‑Modular Redundancy (TMR), designed for Triconex Tricon safety instrumented systems (SIS) to ensure high fault tolerance and safety in critical industrial applications.
Brand & Model
Brand: Triconex (Emerson)
Model: 3604E (Alternate P/N: 7400116‑020)
Series: Tricon Safety Controller Modules
Type: TMR Digital Output (DO) Module
Core Features
Triple‑Modular Redundancy (TMR): Three identical channels for voting, monitoring, and comparison to ensure continuous operation during single‑channel faults.
16 Non‑Commoned Outputs: Independent channels to prevent cross‑fault propagation and enhance system availability.
Optical Isolation: 1500 VDC point‑to‑point isolation between field and backplane for noise immunity and personnel/equipment protection.
Safety Certification: Compliant with IEC 61508 for SIL 2/SIL 3 applications, ATEX, and FM certifications for hazardous area use.
Real‑Time Diagnostics: Built‑in self‑test (BIST) and output voter diagnostics for proactive fault detection and maintenance.
Hot‑Swappable: Supports hot standby and replacement without system shutdown for minimal downtime.
Mechanical Keying: Prevents incorrect module insertion in the Tricon chassis.
Technical Specifications (Typical)
Nominal Output Voltage: 24 VDC (operational range: 22–45 VDC)
Output Channels: 16 non‑commoned digital outputs
Isolation: 1500 VDC optical isolation (point‑to‑point)
Current Ratings: 2 A continuous per point; 10 A surge (10 ms)
Voltage Drop: < 4 V (typical)
Load Leakage: ≤ 2 mA (maximum)
Field Termination: 2.5 A fast‑acting fuse per output
Operating Temperature: -40°C to 70°C
Storage Temperature: -40°C to 85°C
Dimensions: 490 × 453 × 68 mm (typical)
Weight: 3.65 kg (typical)
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