IS200TBAIH1CCC turbine auxiliary I/O module
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The IS200TBAIH1CCC is a turbine auxiliary I/O module from General Electric (GE)’s Mark VIe control system, designed to handle auxiliary signals and interface with peripheral devices in turbine control and monitoring applications. It plays a key role in integrating non-critical but essential sensors, actuators, and auxiliary systems into the Mark VIe architecture, supporting overall turbine operation, safety, and maintenance. Below is a detailed overview based on GE’s Mark VIe module specifications and typical auxiliary I/O functionalities:
The IS200TBAIH1CCC module is part of the Mark VIe system’s distributed I/O family, focused on auxiliary signal processing. Unlike specialized modules (e.g., vibration or speed monitoring), it handles general-purpose inputs/outputs (I/O) for auxiliary systems such as lubrication pumps, cooling fans, valve position switches, and temperature sensors. This module simplifies wiring, centralizes auxiliary control, and ensures seamless communication with the Mark VIe controller, enhancing system integration and reliability in power generation, oil and gas, and industrial turbine applications.
- Input Source: Powered via the Mark VIe chassis backplane (no external power required).
- Typical Voltage: 24VDC (derived from the chassis power supply).
- Power Consumption: Approximately 5–7W (varies with I/O load and configuration).
The module typically combines analog inputs (AI), digital inputs (DI), and/or digital outputs (DO) to support diverse auxiliary signals. While exact channel counts may vary, common specifications include:
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Analog Inputs (AI):
- Type: Supports 4–20mA current loops (most common for auxiliary sensors) and 0–10V voltage signals.
- Number of Channels: 4–8 (configurable via software).
- Input Range:
- 4–20mA (corresponding to 0–100% of measured parameter, e.g., oil pressure).
- 0–10V (for sensors like temperature transmitters or level sensors).
- Accuracy: ±0.1% of full scale (calibrated via software).
- Isolation: Channel-to-channel isolation (typically 2.5kV AC) to prevent noise interference.
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Digital Inputs (DI):
- Type: Dry contact (no voltage) or wet contact (24VDC) inputs for status monitoring (e.g., pump running, valve open/closed).
- Number of Channels: 8–16 (depending on module variant).
- Voltage Range: 24VDC (nominal) for wet contacts; dry contacts are energized via internal pull-up resistors.
- Response Time: <1ms (for fast status changes).
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Digital Outputs (DO):
- Type: Relay outputs or solid-state outputs (transistors) for controlling auxiliary devices (e.g., starting a fan, activating an alarm).
- Number of Channels: 4–8.
- Relay Outputs:
- Contact Rating: 250VAC/30VDC, 5A (resistive load).
- Configuration: Normally Open (NO) or Normally Closed (NC) (configurable).
- Solid-State Outputs:
- Voltage: 24VDC.
- Current Capacity: Up to 1A per channel.
- Backplane Interface: Connects to the Mark VIe controller via the system’s high-speed backplane (typically a redundant serial or Ethernet-based bus).
- Data Transfer: Transmits I/O data to the controller in real time (update rate: ~10ms, configurable).
- Redundancy: May support redundant operation (paired with a backup module) in critical auxiliary systems to avoid single points of failure.
- Operating Temperature: 0°C to 60°C (ambient); -40°C to 70°C for storage.
- Humidity: 5% to 95% (non-condensing).
- Vibration & Shock: Compliant with IEC 60068-2-6 (vibration) and IEC 60068-2-27 (shock) for industrial environments.
- Dimensions: Compact design (approx. 100mm × 80mm × 30mm) to fit Mark VIe I/O chassis slots.
- Mounting: Hot-swappable in the Mark VIe chassis (no system shutdown required for replacement).
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