TRICON DI2301 | 7400208-020 | Digital Input Safety Module

Technical Specifications

Key Features and Advantages

The DI2301 delivers reliable digital signal acquisition with dual-redundant processing, achieving 99.9% diagnostic coverage for safety-critical applications. Its adaptive noise filtering rejects transient interference up to 1kV while maintaining stable operation in electrically noisy environments.

Cost-effective safety: Features channel-specific LED status indicators and group fault reporting. The module’s solid-state input circuitry ensures >100,000 operations without contact degradation, ideal for high-cycle monitoring applications.

Simplified integration: Supports direct connection to mechanical switches and proximity sensors. Transparent cover design allows quick visual inspection without disassembly, reducing maintenance downtime.

Application Areas

In manufacturing plants, the DI2301 monitors emergency stop circuits and machine guard interlocks, providing SIL 2 compliant safety for robotic workcells. Its ≤2ms response meets ISO 13849 performance level “d” requirements for automated production lines.

Water treatment facilities utilize this module for pump status monitoring and valve position feedback. The wide input voltage range (15-30V DC) ensures compatibility with legacy control systems during phased upgrades.

Material handling systems benefit from its vibration-resistant design for conveyor belt run/stop status detection. The module’s compact form factor fits space-constrained control panels in warehouse automation.

Related Products

DI2302: 16-channel version with enhanced diagnostics
AI2301: 8-channel analog input module
DO2301: Digital output module for safety relays
PS2301: 24V DC power supply unit
CM2301: Communication module for Modbus RTU

Installation and Maintenance

Installation preparation: Use 18-22 AWG shielded cable for DI2301 field connections. Ensure proper DIN rail mounting (35mm) with adjacent module spacing ≥5mm. Verify input polarity consistency across all channels during commissioning.

Maintenance recommendations: Perform semi-annual contact resistance checks using micro-ohmmeter. Clean terminal blocks annually with non-abrasive contact cleaner. Replace entire module after 10 years per safety lifecycle management guidelines.

Product Assurance

The DI2301 undergoes 500-hour accelerated aging tests and IEC 61000-4-2 ESD immunity validation. Schneider Electric provides 3-year warranty with optional safety certification renewal service. Technical support includes free access to Triconex Configuration Studio software for diagnostics and parameter management.