SPECIFICATIONS
Part No.: IS200TRTDH1CBB
Manufacturer: General Electric
Size: 33.0 cm high x 17.8 cm wide
Number of channels: Eight
Span: 0.3532 to 4.054 V
Availability: In Stock
Country of Manufacture: United States (USA)
Functional Description
IS200TRTDH1CBB is a Resistance Temperature Device (RTD) terminal board developed by GE. It is a part of Mark VI control system. The Resistance Temperature Device Terminal Board plays a pivotal role in temperature measurement systems, providing a crucial interface for RTD inputs. TRTD Resistance Temperature Device Terminal Board is a critical link in the chain of temperature measurement and control, providing reliability, precision, and seamless integration within industrial and commercial applications.
Features
- Terminal Board Layout: Featuring a user-friendly design, the terminal board incorporates two barrier-type terminal blocks. These blocks are meticulously engineered to accommodate multiple RTD inputs, allowing for efficient and organized wiring configurations.
- Enhanced Noise Suppression: To ensure precise temperature readings, the terminal board is equipped with advanced noise suppression circuitry. This integral feature effectively shields against surge and high-frequency noise, maintaining signal integrity and safeguarding sensitive components from potential damage or interference.
- Seamless Communication Interface: The terminal board seamlessly interfaces with one or more I/O processors, streamlining the conversion process of analog RTD inputs into digital temperature values. This communication interface enhances efficiency and accuracy in temperature measurement systems, enabling seamless integration into broader control architectures.
- Efficient Data Transfer: Upon conversion, the terminal board efficiently transfers temperature values to the controller. This swift data transfer mechanism enables real-time monitoring and control of temperature-sensitive processes, empowering users to make informed decisions and maintain optimal operating conditions.
Installation
- The installation process begins with wiring the sixteen RTDs directly to the two terminal blocks affixed to the terminal board. Each terminal block is securely fastened with two screws and provides 24 terminals capable of accepting wires up to 12 AWG.
- Grounding Arrangement: Adjacent to each terminal block, a shield terminal strip is positioned, connected to chassis ground. This arrangement ensures proper grounding and helps mitigate electromagnetic interference (EMI) and noise in the system.
- Requirements for CE Mark Compliance: For applications requiring CE marking, adherence to specific wiring guidelines is essential. Double-shielded wire is mandated, and all shields must be terminated at the designated shield terminal strip. It's crucial not to terminate shields at the end device to maintain compliance and ensure optimal performance. Following these directives ensures conformity with CE regulations and enhances the reliability of the temperature measurement system.
Fault Detection Mechanisms
In any temperature measurement system, robust fault detection mechanisms are essential to ensure the accuracy and reliability of readings. Here are three key fault detection methods employed in the TRTD system:
Hardware High/Low Limit Check
- The hardware high/low limit check involves dedicated circuitry within the TRTD terminal board that monitors the RTD inputs for readings exceeding predefined thresholds.
- If the temperature reading surpasses the high or low limit, the hardware triggers an alarm or initiates a safety shutdown procedure to prevent equipment damage or unsafe conditions.
Software High/Low System Limit Check
- Complementing the hardware limit check, the TRTD system incorporates software-based high/low limit checks at the system level. This software-driven monitoring evaluates aggregated temperature data from multiple RTD inputs against predetermined thresholds.
- In the event of an out-of-range reading, the software triggers alerts, logging events for analysis, and potentially executing corrective actions through the control interface.
Failed ID Chip Detection
- Each RTD sensor typically incorporates an identification (ID) chip to facilitate accurate calibration and identification within the system.
- The TRTD system incorporates a mechanism to detect failed or malfunctioning ID chips.
- Through periodic verification routines, the system ensures the integrity of ID chip communication. If a failure is detected, the system flags the affected RTD input, allowing for prompt maintenance or replacement to maintain system accuracy and reliability.
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Frequently Asked Questions
What is IS200TRTDH1CBB?
It is a Resistance Temperature Device terminal board developed by GE
What is the purpose of hardware limit checking for RTD types?
Hardware limit checking ensures the protection of RTD inputs by setting logic signals and halting scanning when preset high or low levels, near the operational range ends, are exceeded. Board-wide diagnostics, accessible through the toolbox, provide additional details.
How does system limit checking differ for inputs?
System limit checking, configurable for each RTD input, allows for adjustable high and low levels. These limits can trigger alarms and are customizable for enable/disable functionality as well as latching and non-latching behavior. The RESET SYS signal resets out-of-limit conditions.
What triggers a fault in the system related to RTD resistance?
A fault is triggered if the resistance of any RTD deviates from the correct value, signaling a potential issue with the sensor.
What information is stored in the connector ID device?
Each connector on the terminal board has its own ID device, containing critical information such as the terminal board serial number, board type, revision number, and the specific connector location. Mismatches result in a hardware incompatibility fault.
