IS210TPGSH2B - Primary Trip Terminal Board

IS210TPGSH2B - Primary Trip Terminal Board IS210TPGSH2B - Primary Trip Terminal Board

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Part Number: IS210TPGSH2B
Manufacturer: General Electric
Series: Mark VI
Product Type: Primary Trip Terminal Board
Number of channels: 16
Power supply voltage: 28 V dc
Voltage Range: 18 - 32 VDC
Mounting: DIN-rail mounting
Technology: Surface mount
Operating temperature: -25 to 70°C
Size: 33.02 cm high x 17.8 cm
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States


IS210TPGSH2B is a Primary Trip Terminal Board manufactured and designed by General Electric as part of the Mark VI Series used in GE Speedtronic Control Systems. In a turbine control system, the Primary Trip Terminal Board (PTTB) serves as a critical component for safety and control. It acts as a central hub where various trip signals from sensors and control devices are routed and processed. The PTTB typically integrates multiple input channels, allowing it to receive signals from sensors monitoring parameters such as temperature, pressure, flow rates, and other vital turbine operation variables. These signals are then analyzed by the control system to ensure the turbine operates within safe limits. In the event of a critical issue or anomaly detected by the control system, such as excessive temperature or pressure, the PTTB plays a crucial role in initiating a trip signal. This signal triggers the shutdown of the turbine to prevent any potential damage or hazardous situations. Moreover, the PTTB often incorporates redundancy and safety features to ensure reliable operation even under challenging conditions. This redundancy helps maintain the integrity of the control system and minimizes the risk of false trips or failures.


  • Multiple Input Channels: The PTTB is equipped with numerous input channels to receive signals from various sensors monitoring critical parameters such as temperature, pressure, vibration, and flow rates.
  • Signal Conditioning: This includes signal conditioning circuits to process the incoming signals, ensuring accuracy and reliability in detecting abnormal conditions or potential faults.
  • Trip Logic: The PTTB incorporates trip logic algorithms to analyze the processed signals and determine whether a trip condition exists based on predefined thresholds or criteria. This logic is crucial for identifying potential risks and initiating protective actions.
  • Redundancy: To enhance reliability, the PTTB often features redundant components, such as duplicate input channels and trip logic circuits. Redundancy helps mitigate the risk of single points of failure and ensures continued operation even in the event of component failures.
  • Isolation and Interfacing: The PTTB provides isolation between input signals and control system components to prevent signal interference and maintain system integrity. It also facilitates interfacing with other control system elements, such as actuators and alarms.
  • Diagnostic Capabilities: Many PTTBs include diagnostic features to monitor the health and performance of the board itself, enabling proactive maintenance and troubleshooting to prevent unexpected failures.
  • Fault Detection and Reporting: In addition to initiating trip signals, the PTTB can detect and report faults within the control system, helping operators identify and address issues promptly to minimize downtime and ensure operational safety.
  • Compliance with Safety Standards: PTTBs are designed and manufactured to comply with relevant safety standards and regulations, ensuring that they meet stringent requirements for reliability, performance, and safety in turbine control applications.

WOC has the largest stock of GE Speedtronic Turbine Control System Replacement Parts. We can also repair your faulty boards. WORLD OF CONTROLS can also supply unused and rebuilt backed-up with a warranty. Our team of experts is available round the clock to support your OEM needs. Our team of experts at WOC is happy to assist you with any of your automation requirements. For pricing and availability on any parts and repairs, kindly contact our team by phone or email.


Why is the PTTB important in turbine control systems?

The PTTB is essential for ensuring the safe and reliable operation of turbines. It helps prevent equipment damage, reduce downtime, and protect personnel by monitoring critical parameters and initiating protective actions when necessary.

What types of signals does the PTTB process?

The PTTB processes signals from various sensors monitoring turbine operation parameters, including temperature, pressure, vibration, speed, and flow rates.

How does the PTTB ensure reliability?

The PTTB often incorporates redundancy, diagnostic capabilities, and compliance with safety standards to enhance reliability. Redundant components and diagnostic features help detect and mitigate failures, ensuring continuous operation.