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IC3600LING1 - Light Indicator Circuit Board is available in stock which ships the same day.
IC3600LING1 - Light Indicator Circuit Board comes in UNUSED as well as REBUILT condition.
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TECHNICAL SPECIFICATION:
Part Number: IC3600LING1
Manufacturer: General Electric (GE)
Series: Speedtronic Mark I & II
Product Type: Light Indicator Circuit Board
Visual Interface: Multi-point LED indicator array
Interface: Gold-plated Edge Connector (Plug-in design)
Component Type: Discrete Through-Hole (Resistors, Capacitors, LEDs)
Operating Temperature: 0 to 60 °C (32 to 140 °F)
Humidity: Up to 95% Non-condensing
Isolation: Optical/Electrical isolation between backplane and HMI
Repair: 3–7 Days
Availability: In Stock
Country of Origin: United States
FUNCTIONAL DESCRIPTION
The IC3600LING1 is a specialized Light Indicator Circuit Board manufactured by General Electric as part of the Speedtronic Mark I and Mark II turbine control architectures. This board serves as a localized diagnostic and status interface, mounted within the control rack to provide maintenance technicians and operators with instantaneous visual feedback on system health and logic transitions. It translates discrete logic signals from the system backplane into illuminated status updates, covering critical parameters such as trip conditions, permissive sequences, and sensor states.
SIGNAL ANNUNCIATION LOGIC
The Light Indicator Card is engineered to process low-level DC logic signals received via the rack's gold-plated edge connector. Each indicator position on the board corresponds to a specific logic address in the turbine's operational sequence. By utilizing a hardware-driven annunciation method, the Light Indicator Card ensures that status information is communicated reliably even during periods of high electromagnetic interference (EMI) or when remote digital monitoring systems are offline. This at-a-glance diagnostic capability is essential for rapid troubleshooting in high-pressure power generation environments.
HARDWARE RELIABILITY & DESIGN
Built on a high-grade double-sided PCB, the IC3600LING1 utilizes a legacy through-hole component layout. This design choice provides superior thermal management and mechanical durability compared to modern surface-mount alternatives. The board incorporates precision metal-film resistors to manage current flow to the LED array, ensuring uniform luminosity and preventing premature diode failure. Additionally, onboard filtering capacitors are utilized to suppress transient voltage spikes that could otherwise lead to false status indications in the indicator array.
LEGACY SYSTEM INTEGRATION
The Light Indicator Card was designed for seamless integration into the modular rack systems of the Mark I and Mark II series. Its plug-in form factor allows for quick extraction and replacement during routine maintenance or emergency repairs, significantly reducing mean time to repair (MTTR). The board's deterministic analog behavior makes it a robust component of the turbine's safety and sequencing layers, providing a layer of visual verification that complements the primary control processor's data.
WHY PURCHASE IC3600LING1 FROM WOC?
World of Controls (WOC) specializes in extending the lifecycle of legacy GE control systems. We offer the IC3600LING1 in both unused surplus and fully rebuilt conditions to meet the specific reliability needs of your facility. Every rebuilt board undergoes a comprehensive refurbishment process, including the replacement of aging electrolytic components and a rigorous luminosity test for every LED. With a 3–7 day repair turnaround, worldwide logistics, and 24/7 technical support, WOC provides the expert support required to keep your legacy Speedtronic assets in peak operational condition.
What is the GE IC3600LING1?
The IC3600LING1 is a legacy Light Indicator Circuit Board designed for GE Speedtronic Mark I and Mark II turbine control systems. It functions as a hardware-based status panel, converting DC logic signals from the control rack into visual alerts via an LED array to provide real-time diagnostic data for operators and technicians.
How is the board protected against electrical noise?
The board features integrated RC (Resistor-Capacitor) filtering networks on its input channels. These components act as low-pass filters that ignore high-frequency noise and voltage transients, ensuring that the LEDs only illuminate when a valid, sustained logic signal is present.
Is the Light Indicator Card cross-compatible between Mark I and Mark II racks?
Yes, the IC3600 series of cards, including the LING1, was designed with a standardized physical and electrical footprint that allows it to be utilized in both Mark I and Mark II Speedtronic racks, provided the rack pinout is configured for indicator functionality.
What are the common failure modes of the IC3600LING1?
The most common issues are LED burnout due to long-term operation and the degradation of filtering capacitors, which can lead to flickering or dim indicators. WOC addresses these during our rebuild process by replacing all wear-prone components with modern, high-spec equivalents.
How does WOC verify the logic mapping of the indicators?
WOC utilizes specialized GE Mark series test benches that simulate actual turbine backplane signals. We cycle through every possible logic input to verify that each indicator on the IC3600LING1 responds correctly and maintains stable brightness under load.
