TRICONEX DI2301 Digital input module
Specific Parameters
Brand TRICONEX (Original Authentic, a subsidiary of Schneider Electric, formerly part of Invensys Group), Product Series TRICONEX Tricon Series Safety Instrumented System (SIS)
Product Type Triple Modular Redundancy (TMR) Digital Input (DI) Module, Safety I/O Module, Original Authentic Spare Part, Model Specification 7400208-020
ModelTRICONEX DI2301 (Specification No. 7400208-020)
Country of Origin United States
Compatible Devices Tricon Series Safety Control System Racks, TRICONEX Main Processor Modules, TriStation 1131 Programming Software, 24VDC Industrial Sensors, Limit Switches, Pressure Switches, Emergency Stop Buttons
Core Functions Digital Signal Acquisition, TMR Redundancy Control, 2-out-of-3 Voting, Channel-Level Self-Diagnosis, LED Status Indication, Online Hot Swapping, Backplane Power Supply, Signal Monitoring, Fault Alarm, Filter Adjustment
Product Structure Standard rack-mounted industrial module, compact design, front multi-status LED indicators, mechanical anti-misinsertion design, industrial-grade protective shell, shell material is high-strength engineering plastic (flame retardant grade UL 94 V-0), color is Gray
Input Channels 16 Independent Digital Inputs, Electrical Isolation Between Channels
Input Type Dry Contact (Passive), Wet Contact (Active), Supporting Both Source Drive and Sink Drive Wiring Modes
Input Voltage Range 12VDC to 30VDC, Nominal 24VDC, Maximum 33VDC, Maximum Reverse Input Voltage -0.6VDC
Input Threshold 0-5VDC for Off Area, 6-14VDC for Transition Area, 15-30VDC for On Area
Isolation Method Optical Isolation, Isolation Between Input Channels and Backplane Bus, Isolation Voltage 2500VAC (for 1 minute), Isolation Voltage Between Channels 500VDC
Response Time Configurable, Minimum ≤1ms, Maximum ≤10ms, Filter Time Configurable from 0.1ms to 100ms
Input Current 2mA~10mA (When Signal is Valid), ≤8mA (When Passive Input is Conducting)
Input Impedance >30kΩ Without Backplane, ≈3kΩ With Backplane
Power Supply Powered by Tricon System Backplane, Power Supply Voltage +5VDC, No External Power Required
System Compatibility Tricon Series Safety Control Systems, TriStation 1131 Programming Software
Safety Certifications IEC 61508 SIL3, IEC 61511, UL 61010-1, CE, CSA, TÜV Rheinland Certification
Maximum Power Consumption No more than 3W
Operating Temperature Range -40°C to +70°C
Storage Temperature Range -55°C to +85°C
Relative Humidity 5% to 95%, Non-Condensing
Protection Class IP20 (Complies with IEC 60529 Standard, Suitable for Cabinet Installation)
Vibration Resistance Frequency 10-500Hz, Acceleration 15g (Sine Wave); Frequency 500-2000Hz, Acceleration 10g (Random Wave), Complies with IEC 60068-2-6 Standard
Shock Resistance Peak Acceleration 50g, Duration 11ms (Half-Sine Wave), Complies with IEC 60068-2-27 Standard
Mounting Method Tricon Standard Rack-Mounted Installation, Supporting Online Hot Swapping, Occupying a Single Slot, Wiring Method is Spring Terminal
Dimensions 160mm×100mm×250mm (Width×Height×Depth)
Weight Approximately 0.8kg (Including Mounting Accessories)
Product Performance
Adaptability Performance: Fully compatible with the TRICONEX Tricon series safety control system, powered by +5VDC from the backplane without external power supply, seamlessly integrated with TriStation 1131 programming software, supporting both source drive and sink drive wiring modes, can directly connect to various on-site equipment such as limit switches and pressure switches, plug-and-play, supporting custom configuration of channel parameters, with high integration efficiency, adapting to complex industrial automation scenarios.
Safety Performance: Adopts TMR triple modular redundancy architecture and 2-out-of-3 voting mechanism to completely eliminate single point of failure risk, optical isolation design effectively resists electromagnetic interference and signal crosstalk, isolation voltage up to 2500VAC, certified by IEC 61508 SIL3 and other authoritative safety standards, built-in comprehensive fault diagnosis function, which can detect open circuit, short circuit and ground fault, can quickly feedback status and alarm in case of failure, meeting the monitoring requirements of safety-critical scenarios.
Acquisition Performance: 16 channels of independent digital input, electrical isolation between channels, compatible with dry contact and wet contact signals, wide input voltage range, configurable response time, perfect filtering function, accurate signal acquisition without false triggering, can quickly capture changes in digital signals of industrial on-site equipment operation status, ensuring reliable monitoring data, insulation resistance ≥100MΩ (500VDC, between input and ground).
Operation and Maintenance Performance: Modular design, supporting online hot swapping without shutdown during maintenance, equipped with multi-status LED indicators to intuitively feedback module power status, overall operation status and each channel signal status, built-in channel-level self-diagnosis function can quickly locate fault points, greatly reducing downtime and simplifying the operation and maintenance process, the terminal has anti-loosening structure, facilitating on-site maintenance.
Environmental Performance: Manufactured with industrial-grade high-stability components and sealed protection structure, it has strong anti-electromagnetic interference and anti-radio frequency interference capabilities, complies with EN 55022/EN 55024 electromagnetic compatibility standards, can operate continuously and stably for a long time in a wide temperature range of -40°C to +70°C and high humidity environments, has excellent vibration and shock resistance, adapting to various harsh industrial sites such as petrochemical and offshore platforms.
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