DS200TBCAG1A - RTD Analog Input Terminal Board

SPECIFICATIONS:

Part Number: DS200TBCAG1A
Manufacturer: General Electric
Series: Mark V LM
Product Type: Terminal Board
RTD Sensor Types: PT100, PT1000
Sensor Range: -200°C to 850°C
Voltage Output: 0-10V
Current Output: 4-20mA
Number of Input Channels: 4 to 16 channels
Operating Voltage: 24V DC
Power Consumption: 100-500mA
Operating Temperature Range: -20°C to 70°C
Availability: In Stock
Country/Region of Manufacture: United States
Manual: GEH-6153

FUNCTIONAL DESCRIPTION:

DS200TBCAG1A is an RTD Analog Input Terminal Board manufactured and designed by General Electric as part of the Mark V LM Series used in the GE Speedtronic gas turbine control systems. In position nine of the "R5" core, there is the RTD Termination Module (TBCA). On the TBCA terminal board, which is linked to the TCCA board in "R5", are the RTD connections for "R5". The Mark V system is designed to fulfill all gas turbine Control requirements. The Mark V control boards and control card part numbers belong to the DS200 series. The Mark V Turbine control system uses digital microprocessors to control the Gas Turbine. The Mark V Speedtronic Control system has a software Implemented Fault Tolerance to increase the reliability of the turbine control system.

FUNCTIONS OF RTD ANALOG INPUT TERMINAL BOARD:

• Signal Conversion: The primary function of an RTD Analog Input Terminal Board is to convert the resistance values provided by the RTD (Resistance Temperature Detector) sensor into a usable analog signal, such as voltage (typically 0-10V) or current (commonly 4-20mA). As RTD sensors work by changing their electrical resistance in response to temperature, the terminal board reads these changes and translates them into signals that can be processed by control systems, data acquisition units, or PLCs.

• Temperature Measurement: RTD sensors are used to measure temperature by correlating resistance changes to temperature values. The terminal board interfaces with the RTD sensor and measures the resistance at various points, calculating the corresponding temperature based on known resistance-temperature relationships. This conversion allows for accurate temperature monitoring in environments such as industrial machines, HVAC systems, or chemical processes.

• Multi-Channel Input Support: One of the key features of an RTD Analog Input Terminal Board is its ability to support multiple RTD sensors simultaneously. Many boards come with multiple input channels, typically ranging from 4 to 16 channels, allowing users to connect several RTD sensors to a single board. This multi-channel capability enables temperature monitoring at various points across a system or machine, which is particularly beneficial in complex industrial setups where multiple processes or equipment require temperature monitoring.

• Linearization: RTD sensors, by their nature, have a non-linear relationship between resistance and temperature. As the temperature changes, the resistance of the sensor does not increase or decrease in a perfectly linear fashion. To address this, the RTD Analog Input Terminal Board typically includes linearization algorithms that convert the non-linear resistance data into a linear temperature output. This ensures that the temperature readings are more accurate and consistent, providing precise data that can be relied upon for critical applications.

• Signal Amplification: RTD sensors produce small changes in resistance that correspond to small voltage changes, especially for low-temperature measurements. To ensure the signal is strong enough for processing by control systems or PLCs, the RTD Analog Input Terminal Board often includes signal amplification. This amplification process boosts the signal, making it easier for downstream systems to process and interpret the data. By enhancing weak signals, the board ensures that even minor temperature variations are captured and transmitted accurately, maintaining high levels of precision throughout the measurement range.

• Communication with Control Systems: To integrate temperature data into larger industrial control systems, the RTD Analog Input Terminal Board supports various communication protocols such as Modbus, RS485, and CAN bus. These protocols allow the board to transmit the temperature data to programmable logic controllers (PLCs), distributed control systems (DCS), or other monitoring and control devices. This enables real-time monitoring, logging, and adjustment of processes based on temperature readings.

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FREQUENTLY ASKED QUESTIONS:

What is an RTD Analog Input Terminal Board?

An RTD Analog Input Terminal Board is a device used to interface an RTD (Resistance Temperature Detector) sensor with a control or monitoring system. It converts the resistance from the RTD sensor into a voltage or current signal that can be read by industrial control systems or data acquisition devices.

What types of RTD sensors are supported?

Common RTD sensors supported by the terminal board include PT100, PT1000, and other similar types. The specific types may vary depending on the board model.

What is the output signal from the RTD Terminal Board?

The output signal is typically a voltage (0-10V, 4-20mA) or a current signal, depending on the board's design. It converts the resistance of the RTD sensor into a proportional electrical signal for easy integration with control systems.