Note; All products on this site are special products, the market price has been fluctuating, the specific customer service offer shall prevail, because the product is a new product, the picture is not a real shot, please confirm with customer service before placing an order model and product, price and other details, the site used, new are for sale, please contact customer service communication. IS200DTAIH1ACC is a core printed circuit board (PCB) specially developed by General Electric (GE) for the Mark VI Turbine Control System, and it serves as a key signal processing and interface module in this series. As an upgraded component of the GE Speedtronic turbine control family (inheriting the technical advantages of Mark V and optimizing compatibility), it mainly undertakes the tasks of analog signal acquisition, conversion, and transmission. It is a core part that ensures the precise control and stable operation of large industrial equipment such as gas, steam, and wind turbines, and is widely used in automated control systems in fields such as electric power, energy, and heavy industry.
- Input Channels: Supports 8 channels of standard analog input signals, compatible with industrially common analog quantities such as 4-20mA current signals and 0-10V voltage signals. It can accurately collect feedback data from sensors (e.g., temperature, pressure, flow sensors) with an input accuracy error of ≤±0.1%, ensuring the precision of signal acquisition.
- Output Function: Equipped with 4 channels of programmable analog output. The default output range is 4-20mA (load capacity ≤500Ω), and it can be flexibly adjusted to 0-20mA or 0-10V output via software configuration, adapting to the control requirements of different actuators (such as control valves and frequency converters).
- Signal Refresh Rate: The sampling and output refresh cycle for a single channel is ≤10ms, enabling rapid response to changes in turbine operating conditions and ensuring the real-time performance of the control system.
- Supply Voltage: Supports 24VDC industrial standard DC power supply (allowable fluctuation range: 20.4-28.8VDC). It is compatible with power systems commonly used on-site and has strong resistance to voltage fluctuations.
- Power Consumption: Power consumption under normal operating conditions is ≤5W. The low-power design reduces the overall energy consumption of the system, while minimizing board heating to extend service life.
- Insulation Strength: The insulation resistance between input/output and power supply is ≥100MΩ (at 500VDC), and the impulse voltage resistance is 2.5kV (for 1min). It complies with the IEC 61010 industrial electrical safety standard, avoiding the risk of leakage or interference.
- Operating Temperature: -25℃ ~ +70℃. It can operate stably in high-temperature and low-temperature industrial sites, adapting to complex environments such as power plants and oil refineries.
- Humidity Resistance: 5% ~ 95% RH (non-condensing). It has moisture-proof performance, preventing circuit short circuits or performance degradation caused by humid environments.
- Anti-Interference Capability: Passes the EN 61000-6-2 electromagnetic compatibility (EMC) test, with strong anti-electromagnetic interference capability. It can resist electromagnetic radiation generated by on-site equipment such as frequency converters and motors, ensuring stable signal transmission.
- Industrial-Grade Components: Adopts GE-customized industrial-grade chips and resistor-capacitor components, which have undergone 100% burn-in testing (high-temperature 85℃ and low-temperature -40℃ cycle testing). The Mean Time Between Failures (MTBF) is ≥100,000 hours, reducing the risk of equipment downtime.
- Protective Coating: The board surface is covered with a polyimide conformal coating (thickness ≥25μm), which can effectively isolate contaminants such as dust, oil, and moisture, enhancing the board’s durability in harsh environments.
- Fault Diagnosis Function: Built-in Built-In Test (BIT) circuit that can real-time monitor the board’s power supply and signal channel status. In case of a fault, real-time alarms are triggered via the Mark VI system’s Human-Machine Interface (HMI), facilitating engineers to quickly locate problems and shorten maintenance time.
- Standardized Installation: Adopts DIN rail mounting (compatible with 35mm standard DIN rails), enabling easy installation and disassembly. It is compatible with the standard cabinet layout of the Mark VI system, saving installation space.
- Strong Compatibility: Fully compatible with the entire GE Mark VI turbine control system series, and supports linkage with other modules in the IS200 series (such as IS200DTAIH1ABB and IS200DTIH1BBD). No additional hardware or software modifications are required, reducing the difficulty of system integration.
- Convenient Configuration: Supports parameter configuration (e.g., signal range, alarm threshold) via GE Proficy Machine Edition software. The visual operation interface eliminates the need for complex programming, allowing engineers to complete configuration quickly and shorten the project commissioning cycle.
Overall Dimensions: 140mm (length) × 90mm (width) × 25mm (thickness) (excluding connectors). Its compact size makes it suitable for dense installation in control cabinets.
Interface Configuration:
- 1 x 24-pin Phoenix terminal (marked TB1): Used for connecting analog input/output signal lines and power lines. The terminal adopts a screw-fastening design, ensuring secure wiring with a contact resistance of ≤10mΩ.
- 1 x 16-pin communication interface (marked J1): Used for data interaction with the Mark VI system main controller (e.g., IS200CPUH1B), supporting high-speed serial communication (rate ≤1Mbps).
Component Layout: Adopts a modular component layout with separate zones for signal input, output, and power circuits to reduce mutual interference. Heat dissipation space is reserved around key components (such as operational amplifiers and power chips) to improve heat dissipation efficiency.
- Thermal Power Plants: Used in steam turbine control systems to collect analog signals such as steam pressure, temperature, and rotational speed. It outputs control signals to adjust the opening of steam control valves, ensuring stable power generation by steam turbines. It is compatible with mainstream units such as 300MW and 600MW.
- Wind Farms: Integrated into wind turbine control systems to collect data such as wind speed, blade angle, and generator rotational speed. It controls the pitch system and inverter to optimize wind energy conversion efficiency, adapting to onshore and offshore wind turbines.
- Oil Refineries/Chemical Plants: Applied in control systems of compressor units driven by gas turbines. It collects signals such as compressor outlet pressure and medium temperature, controls the opening of fuel valves, stabilizes unit operation, and avoids production accidents caused by pressure fluctuations.
- Steel Mills/Metallurgical Plants: Used in control systems of blowers driven by steam turbines. It collects blower air volume and pressure data, adjusts turbine speed, and ensures stable air supply for steelmaking and ironmaking processes.
- Natural Gas Transmission Stations: Integrated into turbine control systems of natural gas booster stations. It collects pipeline pressure and flow signals, controls turbine speed, and ensures stable natural gas transmission, adapting to long-distance pipeline boosting equipment.
Before installation, confirm that the board model (IS200DTAIH1ACC) is compatible with the Mark VI system version. Check that the board has no scratches on its surface, no loose components, and no damage to the conformal coating.
- Disconnect the power supply before wiring.
- Use shielded twisted-pair wires (#18 AWG) for analog signal lines, and ground the shield layer at one end.
- Avoid parallel routing with high-voltage cables (e.g., power cables) to reduce interference.
- Conduct a visual inspection of the board every 6 months and clean dust from the terminals.
- Perform a self-test via the Mark VI system software once a year to verify the normal functionality of the board.
- If the board is out of service for a long period, store it in a dry, well-ventilated environment with a temperature range of -10℃ ~ +40℃, away from direct sunlight.
If the board malfunctions and cannot be repaired, replace it with a board of the same model (IS200DTAIH1ACC). After replacement, load the original configuration parameters via software to prevent system abnormalities caused by parameter mismatches.
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