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Product Overview: TRICONEX 3504E
The TRICONEX 3504E is a high-performance relay output module designed for safety instrumented systems (SIS) in critical industrial environments. It is a key component of TRICONEX’s Tricon and Trident platforms, which are widely used in safety-critical automation. The TRICONEX 3504E serves as a bridge between safety controllers and high-power field devices. It converts low-voltage control signals from the controller into robust relay outputs. This enables reliable operation of equipment such as emergency shutdown valves, fire suppression actuators, and isolation relays.
The TRICONEX 3504E integrates TRICONEX’s triple modular redundancy (TMR) architecture. This architecture processes each output through three independent channels. It uses a 2-out-of-3 voting mechanism to eliminate single points of failure. This design ensures that the module remains operational even if one channel malfunctions. Such reliability is critical in industries where equipment failure could lead to accidents, production losses, or environmental harm.
The TRICONEX 3504E is built to withstand harsh industrial conditions. It combines rugged construction with advanced diagnostic features. This makes it a staple in oil and gas, chemical processing, and power generation facilities. These facilities demand uncompromising safety and continuous operation.
Technical Specifications
| Parameter | Value |
|---|---|
| Product model | TRICONEX 3504E |
| Manufacturer | TRICONEX |
| Product type | Relay output module |
| Physical dimensions | 105 mm (height) × 155 mm (width) × 53 mm (depth) |
| Weight | 0.92 kg |
| Electrical specifications | 24 V DC operating voltage; 2.0 A maximum current per relay |
| Output channels | 16 isolated relay outputs |
| Relay rating | 8 A @ 250 V AC / 30 V DC (resistive load) |
| Isolation | 2500 V DC channel-to-bus and channel-to-channel isolation |
| Working environment | Operating temperature: -40°C to 70°C; Relative humidity: 5%–95% (non-condensing) |
| Certifications | SIL 3 compliant (IEC 61508); ATEX/IECEx certified (Zone 1/2); UL 508 listed |
| Installation requirements | 19-inch rack mount; DIN rail compatible; vibration resistance up to 5 g (10–2000 Hz) |
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Related Products
- TRICONEX 3503E: A lower-channel relay output module with 8 channels. It is a predecessor to the TRICONEX 3504E and lacks the higher current rating and expanded channel count.
- TRICONEX 3301S2: A digital input module that pairs with the TRICONEX 3504E to form a complete safety loop. It sends sensor signals to the controller, which then triggers outputs via the TRICONEX 3504E.
- TRICONEX MP 3101: The main processor module of TRICONEX SIS. It processes safety logic and sends commands to the TRICONEX 3504E to actuate field devices.
- TRICONEX 4400: A redundant power supply module. It provides stable 24 V DC power to the TRICONEX 3504E, preventing relay misoperation during voltage fluctuations.
- TRICONEX 3211: A communication interface module. It enables the TRICONEX 3504E to transmit relay status data to SCADA systems, supporting remote monitoring.
- TRICONEX 3604E: A high-density relay module with 32 channels. It is used in large-scale systems where the TRICONEX 3504E’s 16 channels are insufficient.
Main features and advantages
High channel density: The TRICONEX 3504E offers 16 isolated relay outputs. This is double the channel count of its predecessor, the 3503E. This higher density reduces the number of modules needed in large systems. It saves rack space and simplifies wiring. This is especially beneficial in compact control rooms of offshore platforms or chemical plants.
Triple Modular Redundancy (TMR): The TRICONEX 3504E uses three independent channels to process each output signal. A 2-out-of-3 voting system ensures that only consistent signals reach field devices. This design eliminates single-point failures. It guarantees operation even if one channel fails. This is vital for applications like nuclear power plant safety systems, where downtime is not an option.
High-power relay capability: Each relay in the TRICONEX 3504E can switch up to 8 A at 250 V AC. This makes it suitable for high-power devices such as large motorized valves and industrial heaters. The relays are hermetically sealed. They resist dust, moisture, and chemical fumes. This extends their lifespan in harsh environments like refineries or mining operations.
Advanced diagnostics: The TRICONEX 3504E continuously monitors relay contacts, coil health, and power supply status. It detects faults like welded contacts or open coils in under 15 ms. Faults are reported to the SIS controller instantly. LED indicators on the module show real-time status. This simplifies on-site troubleshooting and reduces maintenance time.
Hot-swap functionality: Technicians can replace the TRICONEX 3504E without shutting down the system. This minimizes downtime. This feature is critical in continuous-process industries such as pharmaceuticals. In these industries, production stops can lead to significant financial losses.
Safety certifications: The TRICONEX 3504E is certified to SIL 3 (IEC 61508) and ATEX/IECEx for Zone 1/2 hazardous areas. It meets the strictest global safety standards. This certification ensures compliance in industries handling flammable materials or operating in explosive atmospheres.
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Installation and maintenance
Pre-installation preparations: Before installing the TRICONEX 3504E, check that the SIS controller’s firmware is compatible with the module. Inspect the module for physical damage, such as bent pins or cracks. Ensure the 19-inch rack or DIN rail is securely mounted and level. This prevents vibration-related stress on connectors. Connect the 24 V DC power supply. Confirm voltage stability (±10% tolerance) to avoid damaging relay coils. Label output wiring according to the system schematic. This ensures correct connection to field devices.
Maintenance suggestions: Clean the TRICONEX 3504E’s ventilation slots monthly with compressed air. This prevents dust buildup and overheating. Perform quarterly tests using TriStation software. Check relay operation and contact resistance. Replace relays if resistance exceeds 100 mΩ, as this indicates wear. Update the module’s firmware annually to access improved diagnostic features. If a persistent fault is reported (e.g., unresponsive relay), use the hot-swap feature to replace the TRICONEX 3504E. This ensures minimal disruption to system operation.
Application fields
The TRICONEX 3504E is widely used in safety-critical industries. In oil and gas refineries, it controls emergency shutdown (ESD) valves. It closes these valves when pressure sensors detect abnormal levels, preventing leaks. Its 16 channels allow it to manage multiple valves in a single module. This simplifies system design in large refineries.
In chemical processing plants, the TRICONEX 3504E triggers fire suppression systems. It does this when gas detectors sense leaks. Its hermetically sealed relays resist corrosion from chemical fumes. This ensures reliable operation in aggressive environments.
In power generation facilities, the module controls isolation switches in turbine systems. It isolates faulty components during emergencies. Its TMR architecture ensures these switches operate even if one channel fails. This protects expensive equipment from damage.
In pharmaceutical manufacturing, the TRICONEX 3504E manages cleanroom access systems. It locks doors if contamination is detected. Its hot-swap capability allows maintenance without stopping production. This supports continuous manufacturing goals.
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Product guarantee
Our company offers a one-year quality warranty service for the TRICONEX 3504E. This covers hardware malfunctions not caused by human factors. During the warranty period, if the TRICONEX 3504E shows abnormal performance or functional failure, we will provide replacement services. As a leading import and export trade distribution company with 17 years of experience, we maintain a large inventory of TRICONEX 3504E and other industrial control parts. This includes unpopular and discontinued models. Our global supply chain network allows us to quickly meet urgent procurement needs. This supports the continuous and stable operation of your industrial systems.
Whatsapp:+86 18859254943
E-mail :sales@ygplc.com
E-mail :sales@ygplc.com
