Description
TRICONEX 3564
1. Product Overview
The TRICONEX 3564 is a relay output module designed for use in safety-critical industrial control systems, particularly within Triconex’s Triple Modular Redundancy (TMR) architecture. It provides reliable, fail-safe relay outputs for controlling final elements such as valves, circuit breakers, or alarms in applications requiring high availability and fault tolerance. Built for industries like oil & gas, power, and chemical processing, the 3564 ensures secure switching in harsh environments while meeting strict safety standards.
2. Key Specifications
| Parameter | Details |
|---|---|
| Output Channels | 16 isolated relay channels (SPDT or DPDT relays, depending on model variant) |
| Relay Type | – Power relays (e.g., 24 VDC, 125 VAC) – High-power options for heavy-duty loads |
| Switching Capacity | – Typical: 5 A @ 250 VAC / 30 VDC – Max: Varies by relay type (check datasheet) |
| Redundancy | TMR architecture (triple modular redundancy for each channel) |
| Safety Certification | SIL 3 (IEC 61508/61511), ISA 84.00.01 compliant |
| Operating Temperature | -40°C to +70°C |
| Compatibility | Triconex Tricon EX/TSA systems, TriStation™ software |
| Physical Dimensions | Standard rack-mount form factor (fits Triconex I/O chassis) |
TRICONEX 3564
3. Features and Advantages
- Triple Modular Redundancy (TMR)
- Each relay channel is driven by three independent logic paths. The module uses a 2-out-of-3 (2oo3) voting mechanism to ensure only valid commands trigger outputs, preventing spurious trips or failures.
- Fail-Safe Design
- Relays can be configured to default to a safe state (e.g., energized or de-energized) in case of module faults or power loss, aligning with safety instrumented system (SIS) requirements.
- Diagnostics and Monitoring
- Built-in self-test (BIST) features continuously monitor relay health, coil current, and contact status. Faults (e.g., contact welding, open circuit) are reported in real time via the system’s diagnostics interface.
- Hot-Swappable
- Allows replacement without powering down the system, minimizing downtime during maintenance or troubleshooting.
- High Noise Immunity
- Isolated channels and robust construction protect against electrical interference (EMC/EMI compliance).
- Flexible Configuration
- Relay outputs can be individually configured for latching or momentary operation via TriStation™ software.
4. Applications
The 3564 is suited for applications requiring reliable, fail-safe relay switching in safety-critical systems:
- Emergency Shutdown (ESD) Systems: Activating shutdown valves or isolating equipment during emergencies.
- Burner Management Systems (BMS): Controlling fuel valves, igniters, and safety interlocks.
- Process Control: Actuating final control elements (e.g., motor starters, solenoid valves) in automated processes.
- Alarm and Notification Systems: Triggering audible/visual alarms or external annunciators.
5. Installation and Configuration
- Wiring
- Connect field devices (e.g., valves, alarms) to the module’s relay contacts using appropriately rated cables. Ensure proper isolation for high-voltage/current circuits.
- For TMR operation, each relay channel is driven by three independent drive circuits within the module, with outputs wired in parallel or series (depending on safety requirements).
- Software Setup
- Use TriStation™ software to:
- Define relay behavior (e.g., normal state, fail-safe state).
- Configure voting logic (e.g., 2oo3 for fault tolerance).
- Enable diagnostics and set trip thresholds for fault detection.
TRICONEX 3564
- Use TriStation™ software to:
6. Maintenance and Compliance
- Regular Checks
- Inspect relay contacts for wear (e.g., arcing, oxidation) and replace modules if faults are detected.
- Use TriStation™ to review diagnostic reports and perform periodic functional safety tests (e.g., proof testing).
- Firmware Updates
- Update firmware to ensure compatibility with system upgrades and address potential security patches.
- Standards Compliance
- SIL 3 certification allows use in Safety Integrity Level 3 applications.
- Compliant with industrial standards for EMC, vibration, and temperature (e.g., IEC 61000, IEC 60068).
7. Compatibility
- Controllers: Works with Triconex Tricon EX, Tricon TSA, and legacy Tricon platforms (verify backplane compatibility).
- Field Devices: Supports a wide range of loads, including inductive (e.g., solenoids) and resistive (e.g., heaters) devices. Use snubbers or surge suppressors for inductive loads to protect relay contacts.
8. Related Models and Alternatives
- 3503E: Solid-state output module (transistor-based) for non-relay applications.
- 3561: Lower-channel count relay module (e.g., 8 channels) for smaller systems.
- 3564X: Enhanced variant with advanced diagnostics or higher switching capacity (check datasheet for details).
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