IS215UCVCH5A - Controller Board

IS215UCVCH5A - Controller Board IS215UCVCH5A - Controller Board

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Part Number: IS215UCVCH5A
Manufacturer: General Electric
Series: Mark VIe
Number of trip solenoids: 3
Memory: 16 MB DRAM
Operating system: QNX
Microprocessor: Intel Pentium 133 MHz
Trip Solenoid Rating: 125 V dc
Programming: Boolean
Ethernet interface: Thinwire 10Base2
ISBus interface: Twisted pair RJ-45
Power requirements: +5 V dc
Product Type: Controller Board
Common Mode Voltage Range: ±5 V
Dimensions: 17.8 cm wide x 33.02 cm
Operating temperature: 0 to 60 °C
No.of Analog Voltage Inputs: 6
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States
Manual: GEH-6421M


IS215UCVCH5A is a Controller Board manufactured and designed by General Electric as part of the VIe Series used in GE Distributed Control Systems. The UCVC is available in three forms, UCVCH1, UCVCH3, and UCVCH5. The standard UCVCH1 controller is a double-slot board using a 133 MHz Intel Pentium processor with 8 MB of flash memory and 16 MB of DRAM. A single 10Base2 (BNC connector) Ethernet port provides connectivity to the toolbox or other devices via EGD. The UCVC contains a double column of eight status LEDs. These LEDs are sequentially turned on in a rotating pattern when the controller is operating normally. When an error condition occurs the LEDs display a flashing error code that identifies the problem.


  • Control Algorithm Execution: Controller boards execute control algorithms responsible for regulating turbine operation, including speed control, load control, and safety protocols.
  • Sensor Integration: They integrate various sensors to monitor parameters such as turbine speed, temperature, pressure, vibration, and wind speed (for wind turbines). These sensors provide real-time data to the controller board for accurate control and system protection.
  • Actuator Control: Controller boards manage actuators such as fuel valves, steam valves, pitch mechanisms (for wind turbines), and braking systems to adjust turbine operation according to control algorithms and external conditions.
  • Fault Detection and Protection: They incorporate fault detection algorithms to identify anomalies in turbine operation and trigger protective measures to prevent damage. This could include shutting down the turbine or activating safety protocols in case of overspeed, overheating, or other critical conditions.
  • Communication Interface: Controller boards facilitate communication with supervisory systems, allowing for remote monitoring, control, and data logging. They often support communication protocols such as Modbus, Profibus, or Ethernet/IP for seamless integration into larger control networks.
  • Redundancy and Reliability: In critical applications like power generation, redundant controller boards may be employed to ensure system reliability and fault tolerance. Redundancy ensures that if one controller board fails, another can seamlessly take over control without compromising system operation.
  • Remote Diagnostics and Maintenance: Controller boards may feature diagnostic capabilities that enable remote troubleshooting and maintenance, reducing downtime and operational costs. They can provide telemetry data and diagnostics to remote operators or maintenance personnel for proactive maintenance scheduling.

WOC has the largest stock of GE Distributed 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 get in touch with our team by phone or email.


What is the role of a controller board in turbine control systems?

The controller board serves as the central processing unit of the turbine control system, executing control algorithms, monitoring sensors, and coordinating the operation of actuators to regulate turbine performance, ensure safety, and optimize efficiency.

How does the controller board ensure turbine safety?

The controller board integrates fault detection algorithms to identify abnormal conditions such as overspeed, overheating, or vibration anomalies. When a fault is detected, the controller implements protective measures, such as shutting down the turbine or adjusting operational parameters to mitigate risks.

Can the controller board communicate with external systems?

Yes, controller boards often feature communication interfaces such as Modbus, Profibus, or Ethernet/IP, allowing for seamless integration with supervisory systems for remote monitoring, control, and data logging. This enables operators to oversee turbine operations from a centralized location.