2351 Module | Triconex Safety System I/O for SIS Networks

Triconex 2351 Digital Output/Analog Input Module – Product Description

Overview

The Triconex 2351 module delivers stable and precise signal handling for operators who manage high-risk industrial processes. The design supports both analog input measurement and digital output control, offering flexibility for complex SIS architectures. Moreover, its proven performance within the Triconex TMR platform ensures reliable operation even when systems face harsh temperature variations or electrical noise. Many engineers select this module because it maintains accurate signal processing under continuous load while supporting strict safety standards.

Technical Specifications

Commercial Information
• Manufacturer: Triconex
• Product No.: 2351
• Condition: In Stock
• Product Type: Digital Output / Analog Input Module
• Product Origin: USA
• Weight (logistics): 680 g
• Payment: T/T, Western Union
• Shipping Port: Xiamen

Architecture & Signal Processing
• Triple Modular Redundancy (TMR) design
• Parallel channels with automatic diagnostics
• Fault masking for continuous operation
• Input capacity: 8 or 16 analog channels
• Supported signals: 0–10 V, 4–20 mA, temperature, resistance
• Output capability: relay outputs
• ADC resolution: 16-bit
• Sampling: high-speed, real-time processing
• Diagnostics: open-wire detection, fault reporting

Electrical Ratings
• Operating voltage: 24 VDC (system)
• Custom model operating voltage: 220 V
• Rated current: 500 mA
• Rated power: 12 W
• Output frequency: 50 kHz

Communication & Integration
• Compatible with Triconex Tricon controllers
• Protocol options: Ethernet, Modbus, OPC UA
• SCADA and MES integration supported
• Cloud options: Azure IoT Edge, AWS IoT Greengrass

Physical & Environmental
• Size: 17.32″ × 7.19″ × 13.02″
• Weight: 14.3 lbs (6.5 kg)
• IP rating: IP20 (cabinet installation)
• Operating temperature: –40 °C to +70 °C
• Storage temperature: –40 °C to +85 °C
• Humidity: 5–95% non-condensing

Certifications
• IEC 61508 SIL3/SIL2-compliant
• TÜV certified
• Custom processing supported