IS230TAISH2C - TMR DIN Rail Assembly Board

Functional Description

IS230TAISH2C is a TMR DIN Rail Assembly Board developed by General Electrics. It is a part of the Mark VIe control system. This assembly board is designed to deliver exceptional reliability and safety in control applications. It is engineered to provide TMR functionality, which ensures redundancy and fault tolerance. This feature is crucial for mission-critical systems where reliability is paramount.

Features

1. The assembly board comes equipped with a terminal block featuring up to forty-eight (48) terminals. This extensive capacity allows for the secure and efficient connection of various field devices and sensors.
2. It boasts a range of certifications that make it suitable for use in diverse environments, including both hazardous and non-hazardous locations. For non-hazardous locations, it carries the UL E207685 certification. Additionally, it has been certified for:
   • Class I, Division 2, Groups A, B, C, and D
   • Class I, Zone 2, Group IIC
   ensuring its safe operation in these challenging settings.
3. As an integral component of the Mark VIe control system, it seamlessly integrates with other system elements, enhancing the overall performance and control capabilities.

Redundancy Options in the Mark VIe System

The Mark VIe control system offers a range of redundancy options to cater to diverse industrial needs. Redundancy is a crucial aspect of any control system, as it ensures reliability, fault tolerance, and minimizes the risk of system downtime. The Mark VIe provides scalable levels of redundancy to meet various requirements and enhance the overall performance of industrial processes.

1. Single (Simplex) Controller: The basic configuration of the control system features a single controller with simplex I/O and a single network. This configuration is suitable for applications where redundancy is not a primary concern, or where the system can tolerate short downtimes for maintenance or repair. It's a cost-effective solution for systems with lower reliability demands.
2. Dual Controller System: In situations where enhanced reliability and online repair options are essential, the dual controller system comes into play. This configuration includes two controllers, allowing for redundancy. It can have either singular or fanned TMR I/O (Triple Modular Redundancy) and is equipped with dual networks. With this setup, the system can continue functioning even if one controller or network experiences a fault. This redundancy is especially critical in applications where system uptime is of utmost importance.
3. TMR System (Triple Modular Redundancy): The highest level of redundancy in the Mark VIe control system is the TMR configuration. This setup includes three controllers, singular or fanned TMR I/O, three networks, and state voting between controllers. TMR enhances fault detection and availability to the maximum extent possible. The system can continue operating even if one controller or network fails. The level of fault tolerance and reliability offered by the TMR system is essential for critical applications where any disruption could lead to severe consequences.