IS230TNRTH4D - RTD Monitoring Assembly Module

Functional Description

IS230TNRTH4D is an RTD Monitoring Assembly Module manufactured and designed by General Electric as part of the Mark VIe series used in GE Distributed Control Systems. 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 TRTDH4D 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.

Features

• 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.