IS230TNRTH4D - RTD Module Assembly

IS230TNRTH4D - RTD Module Assembly IS230TNRTH4D - RTD Module Assembly

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SPECIFICATIONS

Part Number: IS230TNRTH4D
Manufacturer: General Electric
Series: Mark VIe
Function: RTD Module Assembly
Availability: In Stock
A/D converter resolution: 14-bit resolution
Country of Manufacture: United States (USA)

Functional Description

IS230TNRTH4D is a RTD Module Assembly manufactured and designed by General Electric. It is a part of the Mark VIe Control System. The RTD Module Assembly comprises the module along with two PRTDH1B packs. These components are specifically designed and optimized to handle RTD inputs within the Mark VIe Control System. The TRTDH2D module is responsible for the overall temperature measurement functionality. It provides signal conditioning, digitization, and communication capabilities, ensuring precise temperature monitoring. The module features advanced technology and high-density RTD inputs, allowing for efficient handling of temperature data. The two PRTDH1B packs play a crucial role in acquiring and processing the signals. These packs are designed to condition and digitize the RTD inputs, converting them into a format that can be accurately interpreted by the control system. With two PRTDH1B packs, the module can handle a larger number of RTD inputs, enhancing the system's capacity for comprehensive temperature monitoring.

Diagnostics

  • During power-up, the module performs a comprehensive self-test that includes checks of RAM, Flash memory, Ethernet ports, and most of the hardware components on the processor board. This self-test verifies the integrity and functionality of critical components, ensuring a stable and error-free operation.
  • The internal power supplies are continuously monitored to ensure they are operating within the correct parameters. This monitoring mechanism provides real-time feedback on the status of the power supplies, allowing prompt detection of any issues or deviations that could impact the module's performance.
  • To ensure correct hardware compatibility, the module checks the electronic ID information from the terminal board, acquisition board, and processor board. This information confirms that the hardware set is properly matched. Additionally, the module verifies that the application code loaded from the Flash memory is correct for the specific hardware set. These checks ensure the appropriate configuration and functionality of the module.
  • Each RTD input on the module incorporates hardware limit checking based on preset high and low levels set near the operating range limits. If an input exceeds these limits, a logic signal is triggered, and the input is no longer scanned. When any one of the eight inputs' hardware limits is triggered, a composite diagnostic alarm, L3DIAG_PRTD, is generated, indicating a board-level issue. Detailed information about individual diagnostics can be accessed from the toolbox. The diagnostic signals can be individually latched, and when appropriate, reset with the RESET_DIA signal.
  • In addition to the hardware limit checking, each RTD input also undergoes system limit checking based on configurable high and low levels. These limits can be configured to generate alarms and can be set as either enable/disable or latching/non-latching. The RESET_SYS signal resets the out-of-limit signals, providing a means to clear the alarm conditions.
  • The module provides detailed information about individual diagnostics, accessible from the toolbox. The diagnostic signals can be individually latched, allowing for further analysis and troubleshooting. If the diagnostic signals return to a healthy state, they can be reset using the RESET_DIA signal.

System Power Sources

  • The architecture of the Mark VIe control system embodies a high degree of adaptability, leveraging a flexible and modular approach to power sources. This design philosophy ensures that the control system can seamlessly integrate with a diverse range of power inputs, catering to the specific requirements of various operational environments.
  • The cornerstone of this power distribution strategy is the employment of power distribution modules (PDMs), which play a pivotal role in facilitating the flow of power throughout the system. These PDMs are adept at supporting an array of power sources, including 115/230 V AC and 24/125 V DC options. This versatility allows for numerous redundant combinations, enhancing the system's resilience and fault tolerance.
  • Upon entry into the control system, the applied power is subject to conversion, resulting in the generation of a stable 28 V DC power output. This converted power is integral to the operation of the I/O packs, serving as a vital energy source for these components' functionality.
  • The controllers themselves are equipped to function with a variety of power input options. They can seamlessly operate using the generated 28 V DC power, or they have the flexibility to draw power directly from AC sources or even from dedicated 24 V DC battery systems. This versatility empowers the control system to adapt to varying power scenarios, enhancing operational continuity and ensuring that the system remains operational even in the face of power fluctuations or outages.

Ohms measurement accuracy

  • Slow RTDs (4 Hz): For slow RTDs operating at a frequency of 4 Hz, the measurement accuracy of 0.1% of full scale ensures precise temperature sensing across a range of resistance values. This accuracy level is crucial for applications where temperature variations need to be monitored with high precision.
  • Gain = Normal_1_0 (Full Scale: 400 ohm): With a gain setting of Normal_1_0, the measurement accuracy is 0.4 ohms. This level of accuracy allows for reliable detection of temperature changes even in environments with subtle variations.
  • Gain = Gain_2_0 (Full Scale: 200 ohm): At a gain setting of Gain_2_0, the accuracy improves to 0.2 ohms. This enhanced accuracy is beneficial for applications requiring finer temperature resolution and responsiveness.
  • Gain = 10ohmCU_10_0 (Full Scale: 40 ohm): With the Gain_10ohmCU_10_0 setting, the accuracy reaches 0.04 ohms. This level of precision is particularly advantageous for applications demanding highly accurate temperature measurements in a narrow range.
  • Fast RTDs (25 Hz): For fast RTDs operating at a frequency of 25 Hz, the measurement accuracy of 0.15 percent of full scale ensures rapid and accurate temperature sensing, making it suitable for dynamic environments where temperature changes occur rapidly.

WOC is happy to assist you with any of your automation requirements. For pricing and availability on any parts and repairs contact us.

FREQUENTLY ASKED QUESTIONS

What is IS230TNRTH4D?
It is a RTD Module Assembly manufactured and designed by General Electric

What is the power management function in the I/O pack?
The power management function in the I/O pack is responsible for managing the 28 V input circuit. It incorporates various mechanisms to ensure proper power supply operation and protect against potential failures.

How does the power management function control current inrush during power application?
The power management function includes a soft start feature that controls the current inrush when power is applied to the I/O pack. By gradually ramping up the voltage, the function limits the initial surge of current, preventing any potential damage or disruption that may occur due to excessive inrush currents.

What is the purpose of the fast current limit function in the power management circuit?
The fast current limit function within the power management circuit acts as a protective mechanism. It sets a limit on the maximum current that can flow through the pack or terminal board. If the current exceeds this limit, indicating a potential failure, the fast current limit function activates quickly to prevent further propagation of the failure onto the 28 V power system.