T8403   Trusted TMR 24 Vdc Digital Input Module 40 Channel

Description

Overview

Essential details：T8403   Trusted TMR 24 Vdc Digital Input Module 40 Channel

The T8403 Trusted TMR 24 Vdc digital input module is a digital input module with 40 channels and uses the TMR (three-module redundancy) architecture for high reliability and fault tolerance. Each channel is triple redundant and uses a Sigma Delta input circuit to measure the input voltage. The module has a line monitoring function, which can detect the open and short circuit faults of the field cable.

In addition, the T8403 module also has the following features:

High reliability: The three-module redundant architecture improves the reliability and fault tolerance of the system, ensuring that the system can still run normally when a single module fails.
Easy to configure and maintain: The module has a user-configurable threshold voltage, which can be flexibly configured according to actual needs. At the same time, the module also provides comprehensive fault detection and fault tolerance, which is convenient for users to troubleshoot and maintain.
Multiple input channel options: The T8403 module provides multiple input channel options, and you can select the appropriate number and specifications of channels according to actual requirements.
Good compatibility: The module can be compatible with a variety of industrial automation equipment and systems, reducing the complexity of integration and interconnection.
Easy integration: The module adopts standardized interface and communication protocol, which can be easily integrated with other industrial automation equipment to form a complete automation system.
In summary, the T8403 Trusted TMR 24 Vdc digital input module is a highly reliable, easy to configure and maintain digital input module with multiple channel options for a variety of industrial automation applications requiring high reliability and fault tolerance.

T8403

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T8403   Trusted TMR 24 Vdc Digital Input Module 40 Channel

The Trusted® TMR 24 Vdc Digital Input module interfaces to 40 field input devices. Fault tolerance is achieved through a Triple Modular Redundant (TMR) architecture within the module for each of the 40 input channels.
Each field input is triplicated and the input voltage is measured using a sigma-delta input circuit. The resulting field voltage measurement is compared to user configurable threshold voltages to determine the reported field input state. When a line-monitoring device is installed at the field switch, the module can detect open and short circuit field cables. Line monitoring functions are independently configured for each input channel. The triplicated voltage measurement, coupled with onboard diagnostic testing, provides comprehensive fault detection and tolerance.
The module provides onboard Sequence of Events (SOE) reporting with a resolution of 1 ms. A change of state triggers an SOE entry. States are determined by voltage thresholds that can be configured on a per channel basis.
Features
• 40 Triple Modular Redundant (TMR) input channels per module.
• Comprehensive, automatic diagnostics and self-test.
• Selectable line monitoring per channel to detect open circuit and short circuit field wiring faults.
• 2500 V impulse withstand opto/galvanic isolation barrier.
• Onboard Sequence of Events (SOE) reporting with 1 ms resolution.
• Module can be hot-replaced online using dedicated Companion (adjacent) Slot or SmartSlot (one spare slot for many modules) configurations.
• Front panel input status LEDs for each channel indicate input status and field wiring faults.
• Front panel module status LEDs indicate module health and operational mode (Active, Standby, Educated).
• TϋV Certified IEC 61508 SIL 3.