TRICONEX 4201
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Product NameDigital Input Module for TRICONEX TMR Safety Instrumented Systems (SIS)
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Product DescriptionThe TRICONEX 4201 is a high-reliability, single-channel digital input module designed exclusively for TRICONEX TMR (Triple Modular Redundant) safety instrumented systems. It is engineered to meet the stringent requirements of functional safety standards (e.g., IEC 61508 SIL 3, TÜV certified) for critical industrial applications such as oil and gas refining, petrochemical processing, power generation, and chemical manufacturing.This module is dedicated to detecting discrete digital signals from field devices including emergency stop buttons, limit switches, pressure switches, and flame detectors. It features triple modular redundant signal processing logic that aligns with the TRICONEX system architecture, ensuring fault tolerance and preventing spurious trips or undetected failures. The module incorporates built-in diagnostic functions to monitor channel health in real time, with status indicators for quick troubleshooting during maintenance.The TRICONEX 4201 supports hot-swappable installation, allowing maintenance personnel to replace the module without shutting down the entire safety system, which minimizes process downtime and enhances operational availability. It is fully compatible with TRICONEX 3000 and TS3000 series controllers, and its rugged design ensures stable performance in harsh industrial environments with extreme temperatures, electromagnetic interference, and vibration.
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Product Parameters
Parameter Category Specific Content Input Channel Specifications 1 single-ended digital input channel; dry contact input type (no external power required for sensing) Input Signal Requirements Compatible with contact closure (normally open/normally closed configurable); input voltage range for wet contact operation: 12–48 V DC Signal Response Time Typical input detection delay: ≤ 10 ms; diagnostic scan rate: 100 ms per channel Isolation Parameters Channel-to-backplane isolation: 1500 V AC (1 minute); channel-to-channel isolation (for multi-module setups): 1500 V AC (1 minute) Power Supply Parameters Powered by TRICONEX chassis backplane; typical power consumption: ≤ 1.5 W per module Environmental Adaptability Parameters Operating temperature range: -40°C to +70°C; storage temperature range: -40°C to +85°C; relative humidity: 5%–95% (non-condensing); vibration resistance: IEC 60068-2-6 (5–2000 Hz, 2 g rms) -
Product Specifications
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Specification Category Specific Content Physical Specifications Dimensions: 127 mm × 35 mm × 178 mm (L×W×H); net weight: approximately 0.3 kg; housing material: industrial-grade metal alloy with corrosion-resistant coating Installation Specifications Mounting method: TRICONEX standard chassis slot mounting; supports hot swap (no system shutdown required for module replacement); front-panel locking mechanism to prevent accidental disconnection Diagnostic & Status Specifications Front-panel LED indicators: Power (PWR, green), Channel OK (OK, green), Fault (FLT, red); built-in self-test (BIST) function for continuous channel health monitoring Safety & Certification Specifications Functional safety certification: IEC 61508 SIL 3, TÜV Rheinland certified; compliance standards: ISO 9001, IEEE 829; explosion-proof rating: Suitable for Class I, Division 2 hazardous locations