The TRICONEX 8305A is a high-reliability digital input module designed by Triconex (Schneider Electric) for seamless integration with Tricon Triple Modular Redundancy (TMR) control systems. As a key component in industrial Safety Instrumented Systems (SIS) and critical process control environments, it specializes in accurate discrete discrete signal acquisition, ensuring operational safety in high-risk industries such as oil and gas, chemicals, and power generation.
- Input Type: Discrete digital signals (supports dry contacts and wet contacts)
- Input Voltage: 24V DC (standard), with 12–30V DC wide-range compatibility
- Channel Configuration: 16 independent channels, each with galvanic isolation
- Input Current: Maximum 7mA per channel (at 24V DC)
- Response Time: ≤10ms (from signal input to processor recognition)
- Operating Temperature: -40°C to +70°C (suitable for extreme industrial conditions)
- Storage Temperature: -50°C to +85°C
- Relative Humidity: 5%–95% (non-condensing)
- Vibration Resistance: 10–500Hz, 1g acceleration (operational)
- Shock Resistance: 30g peak acceleration (11ms duration)
- Safety Integrity Level: IEC 61508 SIL 3 certified
- Certifications: ATEX, IECEx, CE marking
- Isolation Voltage: ≥250V AC (between channels and between channels and backplane)
- TMR Architecture Support: Fully compatible with Triconex TMR systems, using triple-redundant signal processing to eliminate single points of failure. System operation remains unaffected by individual channel faults.
- High Reliability: Industrial-grade components and redundant power support ensure a Mean Time Between Failures (MTBF) exceeding 100,000 hours.
- Real-Time Diagnostics: Built-in self-monitoring 功能 detects channel errors, power anomalies, and wiring issues, with diagnostic data transmitted to the controller for rapid troubleshooting.
- Hot-Swappable Design: Allows on-line module replacement without system shutdown, minimizing maintenance downtime.
- Flexible Wiring: Supports both screw terminals and spring terminals, adapting to diverse field wiring requirements for easy installation.
- Oil & Gas Industry: Wellhead safety monitoring, pipeline emergency shutdown valve status, refinery interlock signals
- Chemical Processing: Reactor pressure switch inputs, toxic gas detector status, explosion-proof zone equipment feedback
- Power Generation: Generator protection signals, substation circuit breaker status, boiler safety interlock inputs
- Critical Infrastructure: Nuclear plant auxiliary systems, rail transit signaling, pharmaceutical production compliance monitoring
- Designed for use with Triconex Tricon controllers (3700 series, 8000 series)
- Configurable via TriStation 1131 software, with adjustable parameters (signal filtering, alarm thresholds, etc.)
- Works with complementary modules (digital output, analog I/O) to form complete safety control loops
- Confirm compatibility with field signal types (dry/wet contacts) and voltage ranges during selection
- Installation must be performed by certified technicians, following explosion-proof guidelines for hazardous areas
- Regular diagnostic checks via system software are recommended to ensure channel integrity
The TRICONEX 8305A combines robust safety features, reliability, and flexibility, making it an industry-standard choice for critical digital signal acquisition in safety-critical industrial processes.