Triconex DI3301 Digital Input Module

Overview

The Triconex DI3301 is a digital input module designed for use in safety instrumented systems (SIS). It is a fault-tolerant module that utilizes redundant architecture to ensure continuous operation even in the event of a single module failure. The DI3301 is suitable for use in a wide variety of applications, including:
 

1. Oil and gas
2. Chemical
3. Power generation
4. Pharmaceutical
5. Transportation

Features

• 32 channels of digital input
• 24VDC nominal power supply
• Galvanic isolation between input and output circuits
• Reverse polarity protection
• Force-to-value diagnostics
• Modular design for easy maintenance

Technical specifications

• Input voltage range: -0.6V to 26.4V DC
• Input impedance: >30 kΩ without baseplate, ≈3 kΩ with baseplate
• Input current: <1 mA
• Input delay: <10 ms, On to Off or Off to On
• Output voltage range: 0-5V DC
• Output current: <10 mA
• Diagnostic (Loss of View): Force-to-value diagnostic (FVD), <2 ms/test
• Maximum Input Toggle Rate to Maintain Diagnostic Fault Coverage: <20/sec
• Operating temperature range: -40°C to +70°C
• Storage temperature range: -55°C to +85°C
• Humidity: 0% to 95% non-condensing
• Vibration: 0.05g RMS, 20Hz to 500Hz
• Shock: 15g, 11ms half-sine