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The GE IS200DRTDH1A is a DIN-Rail Resistance Temperature Detector (RTD) Terminal Board developed by General Electric (GE).
It is a key component of the GE Mark VI Speedtronic Turbine Control System, which is used for the management and automation of gas and steam turbines in industrial environments.
⚙️ Primary Function and Features
- Function: The board acts as the interface and signal conditioner for Resistance Temperature Detector (RTD) sensors, allowing temperature measurements from field devices to be sent to the main control system processor.
- System Integration: It is a Simplex RTD Input Terminal Board. It connects to the VRTD processor board via a single 37-pin cable connector.
- Mounting: The “DRTD” in its name signifies it is a DIN-Rail Resistance Temperature Detector board, designed to be mounted on a standard DIN rail within a control cabinet.
- Channels: It provides eight (8) RTD input channels for temperature monitoring.
- RTD Type and Wiring: It typically connects to three-wire RTDs using a Euro-Block style terminal block.
- Signal Integrity: The board is designed with features like noise suppression circuitry and grounding screws (SCOM) to ensure the stability and accuracy of temperature readings.
- Scalability: While a single board offers 8 channels, two DRTD boards can be connected to the VRTD processor board to expand the system’s capacity to 16 temperature inputs.
- Lead Resistance: It is capable of accommodating longer cable runs by handling a maximum two-way cable resistance of 15 ohms without compromising accuracy.
In short, the IS200DRTDH1A is essential for reliably bringing multiple temperature data points from the physical turbine machinery into the digital control system for monitoring, control, and protection functions.
