The Triconex 3000793-001 Digital Input Module is a highly reliable and precision-engineered module designed for monitoring and processing discrete (digital) input signals within the Triconex 3000 safety and control systems. This module plays a critical role in acquiring field input data such as switch status, relay contacts, push buttons, and sensor triggers, then transmitting this information into the control logic for safe and deterministic decision-making.

The module is built to support safety-critical environments where continuous monitoring and fast response are required, such as emergency shutdown (ESD) systems, fire and gas detection (F&G), and safety instrumented systems (SIS). By ensuring secure detection of input state changes, the 3000793-001 contributes to maintaining plant safety and operational reliability.

Its robust design, signal conditioning capabilities, and diagnostic features make it a dependable choice for industries like oil and gas, petrochemical, power generation, chemical processing, and mining.

Product Specifications

Applications

The 3000793-001 Digital Input Module is widely used in industrial applications that require accurate digital signal monitoring:

• Emergency Shutdown (ESD) Systems – Detects critical field conditions and ensures immediate protective actions.

• Fire and Gas Detection (F&G) Systems – Interfaces with flame detectors, gas sensors, and fire alarm systems.

• Safety Instrumented Systems (SIS) – Provides reliable input to logic solvers for safety-critical decision-making.

• Power Generation – Monitors turbine trips, auxiliary systems, and protective relays.

• Petrochemical and Chemical Processing – Tracks valve limit switches, flow sensors, and pressure switch status.

• Mining and Metals – Ensures safe operations by monitoring equipment safety interlocks and alarms.

Advantages

The Triconex 3000793-001 module offers several benefits that enhance system safety and performance:

• High Channel Density – Provides multiple digital input channels in a compact form, reducing cabinet space requirements.

• Robust Signal Conditioning – Ensures accurate detection of on/off states even in noisy environments.

• Built-in Diagnostics – Identifies wiring faults, open circuits, and shorts for improved system reliability.

• Safety-Certified Design – Compliant with IEC61508 standards, suitable for SIL3-rated systems.

• Redundant System Integration – Fully compatible with Triconex TMR (Triple Modular Redundancy) architecture.

• Fast Response Time – Captures input transitions quickly for real-time protective actions.

• Industrial Durability – Withstands harsh environments with robust isolation and protective features.

FAQ

1. How many digital input channels are available on the 3000793-001?

   It provides 32 digital input channels.

2. What type of signals does this module process?

   It processes discrete on/off status signals from field devices.

3. Does the module support channel-to-channel isolation?

   Yes, it has channel-to-channel and channel-to-bus isolation.

4. What is the typical response time of the module?

   It has a response time of less than 10 ms.

5. Is the module suitable for SIL3 safety applications?

   Yes, it is certified for SIL3 applications under IEC61508.

6. What diagnostic functions are included?

   The module detects open circuits, short circuits, and other input faults.

7. Can it be used in redundant configurations?

   Yes, it is fully compatible with Triconex triple modular redundancy systems.

8. What voltage range is supported for digital inputs?

   It supports a nominal 24 VDC input with industrial tolerance.

9. Does the module consume significant power?

   No, typical power consumption is about 5 W.

10. How does it handle noisy industrial environments?

    Built-in signal conditioning and shielding ensure reliable signal detection.