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The GE part number IC3606KRDS2 is a Stacker Card. This electronic circuit board is a component of GE’s legacy Speedtronic Mark I and Mark II series of turbine control systems. Its primary function is to stack or combine signals from multiple sources and pass them to a single point in the control system.
Function and Key Features
A stacker card is used to consolidate or multiplex a number of similar signals into a single output. This is a common design strategy in older industrial control systems to save space and simplify wiring.
- Signal Stacking: The card takes in signals from various sources, such as multiple sensors or trip circuits, and “stacks” them. This means it combines them in a way that allows the main controller to process them efficiently, often in a prioritized or sequential manner.
- Redundancy and Reliability: The card can be used to manage redundant signals. For example, if multiple thermocouples are used for temperature monitoring, the stacker card can select the most relevant signal (e.g., the highest temperature) or combine them to provide an average.
- Simplifies Wiring: By consolidating multiple inputs into a single output, the stacker card reduces the number of wires and connections required in the control panel, which simplifies installation and troubleshooting.
- Robust Design: Like all GE industrial control boards, it’s built to withstand the harsh conditions of a power plant, including vibrations, temperature fluctuations, and electromagnetic interference.
Applications
The IC3606KRDS2 is a legacy component, so it is primarily used in power generation facilities that still operate GE’s older Mark I and Mark II turbine control systems. It is an essential component for:
- Control Loops: It’s used in various control loops, such as temperature, speed, or pressure, to manage inputs from multiple sensors.
- Safety and Protection: It can be used to consolidate signals from multiple trip circuits, ensuring that a single over-limit condition from any sensor will trigger a protective shutdown.
