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GE DS200TCQCG1AJD RST Overflow Board

Guizhou Yuanmiao Automation Equipment Co., Ltd.
1Yr
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Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Global universal model
Condition:
Other, Global universal model
Task:
Other, Global universal model
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Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.

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Material Other, Global universal model
Condition Other, Global universal model
Task Other, Global universal model
Mathematical Model Other, Global universal model
Signal Other, Global universal model
Customized Non-Customized
Structure Other, Global universal model
Operating Temperature -25℃~70℃
Dimensions 100mm×233mm×28mm
Storage Temperature -40℃~85℃

I. Product Overview


GE DS200TCQCG1AJD is a high-precision temperature control module specifically designed for the Mark VIe control system. It is mainly used for monitoring and controlling key temperature parameters of industrial-grade steam turbines, gas turbines, and other rotating machinery. As the "temperature regulation core" of the system, this module can collect data from multiple temperature measurement points in real time and realize precise regulation of cooling systems and heating devices through the built-in PID control algorithm, ensuring that equipment operates within the optimal temperature range.


The module adopts a standard 3U VME industrial board design (dimensions approximately 100mm×233mm×28mm), with no independent operation panel, and is connected to the main controller and power module via the system backplane. The surface of the module features a high-reliability industrial layout; key temperature control chips and power devices are equipped with heat sinks and shields, complying with the IPC-A-610 Class 3 industrial standard. It can operate stably in industrial environments with high temperatures and strong electromagnetic interference.


DS200TCQCG1BGF (3)


II. Technical Parameters


1. Electrical Parameters

  • Power Supply Requirements: +5V DC (for digital circuits), ±15V DC (for analog circuits), with an allowable voltage fluctuation range of ±5%

  • Power Consumption: Maximum 20W, adopting forced air cooling for heat dissipation

  • Temperature Input Channels: 16 differential input channels

    • Supported thermocouple types: K, J, T, R, S types

    • Supported RTD (Resistance Temperature Detector) types: PT100, Cu50

    • Measurement accuracy: ±0.1% FS (for RTDs), ±0.2% FS (for thermocouples)

    • Cold-junction compensation accuracy: ±0.3℃

  • Control Outputs: 8 relay outputs (250V AC/30V DC, 5A), 4 analog outputs (4-20mA)

  • Isolation Performance: Isolation between input and output ≥2.5kVrms, isolation between channels ≥1kVrms


2. Environmental Parameters

  • Operating Temperature: -25℃~70℃

  • Storage Temperature: -40℃~85℃

  • Relative Humidity: 5%~95% (non-condensing)


3. Functional Parameters

  • Control Algorithm: PID control (supporting manual/automatic switching)

  • Sampling Rate: 10Hz per channel

  • Control Cycle: Configurable, 50ms~1s

  • Communication Interface: VME64x backplane interface, with a transmission rate of 40MB/s

  • Indicator Lights: Four status indicators – Power (PWR), Run (RUN), Fault (ERR), and Communication (COMM)


III. Functional Features


1. Multi-Type Temperature Signal Acquisition

The DS200TCQCG1AJD module integrates 16 temperature input channels and supports multiple types of thermocouple and RTD sensors, which can meet the measurement needs of different temperature ranges and accuracy requirements in industrial sites. The module is equipped with a high-precision cold-junction compensation circuit to ensure the accuracy of thermocouple measurements, making it particularly suitable for monitoring key parts such as steam turbine bearing temperature and stator temperature.


2. High-Performance Temperature Control

The module is equipped with an advanced PID control algorithm, supporting independent adjustment of proportional, integral, and derivative parameters, which can be optimized according to different controlled objects. The 8 relay outputs can directly control the start and stop of heating or cooling equipment, while the 4 analog outputs can be used to control precision actuators such as proportional valves, realizing continuous temperature regulation. The control cycle can be flexibly configured to meet the needs of different response speeds.


3. Comprehensive Alarm and Protection Mechanism

The module has a built-in multi-level temperature alarm function, and each input channel can independently set high/low alarm thresholds and alarm hysteresis values. When an over-temperature condition is detected, it can immediately trigger the corresponding alarm output and send alarm information to the main controller via the communication interface. At the same time, the module also has a sensor fault detection function, which can identify abnormal states such as open circuits and short circuits, improving the reliability of the system.


4. Flexible Communication and Configuration

Through the VME64x backplane interface, the module can communicate with the main controller of the Mark VIe system at high speed, uploading temperature data and module status in real time, and receiving control commands and parameter configurations. Users can configure parameters, calibrate, and diagnose the module through GE ToolboxST software, supporting online modification of control parameters without interrupting system operation.


DS200TCQCG1BGF (1)


IV. Typical Application Scenarios


1. Steam Turbine Bearing Temperature Control

In the steam turbine control system of thermal power plants, the DS200TCQCG1AJD module is used to monitor the temperature of each bearing of the steam turbine and control the lubricating oil cooling system. By collecting temperature data from 12 bearing channels (PT100 RTDs), the module adjusts the cooling water volume through the PID algorithm according to the preset temperature range (usually 40-55℃), ensuring that the bearing temperature is maintained within the optimal range and avoiding equipment damage caused by excessive temperature.


2. Gas Turbine Combustor Temperature Control

In the gas turbine control system, the module collects the outlet temperature of the combustor (using R-type thermocouples) and stabilizes the combustion temperature near the set value (usually 1200-1500℃) by controlling fuel flow and air ratio. Precise temperature control not only improves the efficiency of the gas turbine but also reduces nitrogen oxide emissions and extends the service life of the equipment.


3. Generator Stator Temperature Monitoring and Protection

In the generator control system, the module monitors the temperature of the stator winding (using K-type thermocouples). When the temperature exceeds the set threshold, it immediately sends an alarm signal and reduces the generator load through the control output to prevent stator damage due to overheating. At the same time, the module can also record the temperature change trend, providing data support for preventive maintenance.


V. Common Faults and Troubleshooting Methods


1. Large Temperature Measurement Deviation

  • Possible Causes: Improper sensor calibration, cold-junction compensation failure, incorrect wiring

  • Troubleshooting Methods: Recalibrate the sensor; inspect the cold-junction compensation circuit; verify the correctness of wiring, especially the three-wire connection of RTDs

2. No Response from Control Output

  • Possible Causes: Faulty output channel, improper setting of control parameters, damaged relay

  • Troubleshooting Methods: Check whether the output channel is correctly configured; adjust the PID parameters; replace the damaged relay


3. Communication Fault

  • Possible Causes: Poor backplane connection, mismatched communication parameters, module address conflict

  • Troubleshooting Methods: Inspect the backplane connection; confirm that communication parameters are consistent with the system; modify the module address to avoid conflicts

4. Frequent Alarms

  • Possible Causes: Improper setting of alarm thresholds, poor sensor contact, abnormal actual equipment temperature

  • Troubleshooting Methods: Reset reasonable alarm thresholds; inspect sensor installation and wiring; check whether the equipment's cooling/heating system is functioning normally

Product Tags: DS200TCQCG1AJD

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Guizhou Yuanmiao Automation Equipment Co., Ltd.
1Yr
Business Type
Trading Company
Year Established
2014
Factory Size
1,000-3,000 square meters
Product Certifications
SA8000
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