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TRICONEX 3505E
Product Overview
The TRICONEX 3505E is a high-performance digital input module engineered for safety-critical industrial automation systems, particularly those requiring SIL 3 certification under IEC 61508. As part of TRICONEX’s Triple Modular Redundancy (TMR) architecture, this module ensures fault tolerance by processing signals through three independent channels, with a two-out-of-three voting mechanism to validate data integrity. Designed for applications in oil and gas, chemical processing, and power generation, the 3505E interfaces with field devices such as pressure switches, temperature sensors, and emergency stop buttons, converting their analog/digital signals into actionable data for controllers like the TRICONEX 3008.
Product Overview
The TRICONEX 3505E is a high-performance digital input module engineered for safety-critical industrial automation systems, particularly those requiring SIL 3 certification under IEC 61508. As part of TRICONEX’s Triple Modular Redundancy (TMR) architecture, this module ensures fault tolerance by processing signals through three independent channels, with a two-out-of-three voting mechanism to validate data integrity. Designed for applications in oil and gas, chemical processing, and power generation, the 3505E interfaces with field devices such as pressure switches, temperature sensors, and emergency stop buttons, converting their analog/digital signals into actionable data for controllers like the TRICONEX 3008.
Featuring 32 isolated input channels with a low-limit self-test capability, the TRICONEX 3505E detects stuck-off conditions in field wiring, a critical safety feature for systems with de-energize-to-trip logic. It supports a wide input voltage range of 20–42.5V DC, making it adaptable to diverse power environments, while its 1,500V DC isolation between channels and system ground ensures immunity to electromagnetic interference. The module’s compact design (263×58×28 mm) and screw terminal connections simplify installation in space-constrained control cabinets, while its operating temperature range of -40°C to +70°C enables reliable performance in harsh industrial settings.
Technical Specifications
| Product model | 3505E |
|---|---|
| Manufacturer | TRICONEX |
| Product type | Digital Input Module |
| Input voltage | 20–42.5V DC |
| Number of channels | 32 (commoned in groups of 8) |
| Electrical isolation | 1,500V DC (channel to logic) |
| Response time | <8 ms (off to on), <15 ms (on to off) |
| Physical dimensions | 263 mm (W) × 58 mm (H) × 28 mm (D) |
| Weight | 2.38 kg |
| Working environment | Temperature: -40°C to +70°C; Humidity: 5%–95% non-condensing |
| Interface type | Screw terminal block (0.5–2.5 mm² wire gauge) |
| Certifications | SIL 3 (IEC 61508), CE, UL, ATEX Zone 2 (system-level compatibility) |
| Place of origin | United States |
3505E
3505E
Related products
- TRICONEX 3503E: A 32-channel digital input module with similar TMR architecture but supporting 24V AC/DC inputs, often used alongside 3505E in hybrid signal environments.
- TRICONEX 3625: A 32-channel digital output module that pairs with 3505E to form complete input-output loops for actuating valves or relays in emergency shutdown systems.
- TRICONEX 3008: The main processor module for Tricon systems, which processes data from 3505E to execute safety logic and trigger protective actions.
- TRICONEX 8312: A redundant power supply module that ensures stable 24V DC to 3505E, preventing voltage fluctuations from affecting signal quality.
- TRICONEX 9662-810: A communication module that transmits diagnostic data from 3505E to SCADA systems, enabling remote monitoring of channel statuses.
Main features and advantages
Enhanced safety through self-diagnostics: The TRICONEX 3505E includes a low-limit self-test function that verifies the integrity of field wiring connections, detecting open circuits or stuck-off signals that could compromise safety system responsiveness. This feature is particularly valuable in applications like high-integrity pressure protection systems (HIPPS), where false negatives could lead to catastrophic failures.
Enhanced safety through self-diagnostics: The TRICONEX 3505E includes a low-limit self-test function that verifies the integrity of field wiring connections, detecting open circuits or stuck-off signals that could compromise safety system responsiveness. This feature is particularly valuable in applications like high-integrity pressure protection systems (HIPPS), where false negatives could lead to catastrophic failures.
High channel density and flexibility: With 32 isolated channels, the module reduces the number of I/O modules needed in large-scale installations, lowering hardware costs and cabinet space requirements. Its support for 20–42.5V DC inputs accommodates both standard and non-standard power supplies, while the ability to group channels into eight commoned sets simplifies wiring in complex systems.
TMR redundancy for continuous operation: By triplicating signal processing paths, the 3505E eliminates single points of failure. Even if one channel fails, the remaining two continue to provide accurate data, ensuring uninterrupted system operation in critical scenarios like turbine overspeed protection.
Rugged design for harsh environments: Constructed with corrosion-resistant materials and an IP65-rated enclosure, the module withstands extreme temperatures, humidity, and vibration common in offshore platforms or chemical reactors. Its 1,500V DC isolation further safeguards against voltage surges and EMI, maintaining signal accuracy in high-noise environments.
3505E
Installation and maintenance
Pre-installation preparations: Verify compatibility with the target TRICONEX chassis (e.g., TriconEX main rack) and ensure the input voltage matches the system’s 24V DC supply. Inspect terminal blocks for debris and torque screws to 0.5–0.7 N·m to prevent loose connections. Use stranded wires (0.5–2.5 mm²) with ferrules for secure termination, and route cables away from high-power conductors to minimize interference.
Pre-installation preparations: Verify compatibility with the target TRICONEX chassis (e.g., TriconEX main rack) and ensure the input voltage matches the system’s 24V DC supply. Inspect terminal blocks for debris and torque screws to 0.5–0.7 N·m to prevent loose connections. Use stranded wires (0.5–2.5 mm²) with ferrules for secure termination, and route cables away from high-power conductors to minimize interference.
Maintenance suggestions: Conduct quarterly visual inspections of terminal blocks for corrosion or 松动，and re-torque connections as needed. Use a multimeter to verify signal continuity and voltage levels at the module’s input terminals, ensuring readings fall within the 20–42.5V DC range. Clean dust from ventilation slots using compressed air to maintain thermal efficiency, particularly in high-temperature environments. Monitor diagnostic LEDs for channel status—steady green indicates normal operation, while red flags faults requiring immediate investigation.
Application fields
- Oil and gas: The TRICONEX 3505E monitors pressure switches in wellhead control systems, providing real-time data to trigger emergency shutdowns (ESD) during pipeline leaks or overpressure events. It also interfaces with flame detectors in offshore platforms, relaying signals to the SIS for rapid fire suppression activation.
- Chemical processing: In reactor systems, the module collects data from temperature sensors and agitator status switches, ensuring chemical reactions remain within safe parameters to prevent runaway reactions or hazardous releases. Its low-limit self-test capability is critical for detecting failed sensors in SIL 3-rated polymerization processes.
- Power generation: The 3505E monitors turbine vibration sensors and generator breaker statuses, enabling predictive maintenance by alerting operators to 异常 vibrations or electrical faults before they escalate into equipment damage. It also supports condition monitoring of steam bypass valves in combined cycle plants, optimizing energy efficiency while maintaining safety.
3505E
Product guarantee
Our company offers a one-year quality warranty for the TRICONEX 3505E, covering hardware defects unrelated to misuse or environmental damage. During the warranty period, defective modules will be replaced promptly to minimize operational downtime. For urgent orders or discontinued models, our global supply chain network ensures rapid fulfillment of scarce parts, supported by 24/7 technical assistance. Established in 2007, our company specializes in distributing industrial control components, stocking a vast inventory of TRICONEX modules—including rare and obsolete models—to meet immediate customer needs. With 17 years of expertise, we guarantee reliable solutions that uphold the highest standards of performance and durability.
Our company offers a one-year quality warranty for the TRICONEX 3505E, covering hardware defects unrelated to misuse or environmental damage. During the warranty period, defective modules will be replaced promptly to minimize operational downtime. For urgent orders or discontinued models, our global supply chain network ensures rapid fulfillment of scarce parts, supported by 24/7 technical assistance. Established in 2007, our company specializes in distributing industrial control components, stocking a vast inventory of TRICONEX modules—including rare and obsolete models—to meet immediate customer needs. With 17 years of expertise, we guarantee reliable solutions that uphold the highest standards of performance and durability.
Whatsapp:+86 18859254943
E-mail :sales@ygplc.com
E-mail :sales@ygplc.com
