IC3600AIAD1C1D - Translating Isolated Card

SPECIFICATIONS:

Part Number: IC3600AIAD1C1D
Manufacturer: General Electric
Series: Mark I & II
Function: Translating Isolated Card
Mounting Type: Plug-in PCB module
Rack Interface: IC3600 backplane connector
Primary Function: Signal translation and electrical isolation
Input Signal Types: Analog voltage, analog current, discrete logic
Output Signal Types: Conditioned and isolated analog or logic signals
Voltage Input Range: 0-10 VDC
Current Input Range: 4-20 mA
Operating Voltage: ±15 VDC
Operating Temperature: 0°C to 60°C
Power Consumption: < 10 W
Availability: In Stock
Product of Origin: U.S.A

FUNCTIONAL DESCRIPTION:

IC3600AIAD1C1D is a Translating Isolated Card manufactured and designed by General Electric and is part of the Mark I & II Series used in gas turbine control systems. Its primary function is to receive analog or logic input signals from various sources, perform signal conditioning and translation, and provide electrically isolated outputs to the control logic modules. The card ensures signal integrity by isolating the input circuits from the output circuits, thereby preventing ground loops, electrical noise, and transient disturbances from propagating into the control system.

It supports a range of analog and digital signals, typically including voltage or current inputs from sensors and status signals from other modules. Internally, the card employs precision resistors, opto-isolators, transistors, and relays to achieve voltage level translation, signal buffering, and isolation. The design allows input signals to be scaled, conditioned, and transmitted to the backplane or downstream modules without affecting the source or the control logic circuitry. Signal translation is performed with minimal propagation delay to maintain the timing integrity required for turbine control sequences.

CARD ARCHITECTURE / COMPONENTS:

The IC3600AIAD1C1D is a PCB-based plug-in module designed for the IC3600 backplane. The board contains precision resistors, opto-isolators, transistors, relays, and passive components to implement translation, buffering, and isolation functions. The layout is optimized for signal integrity, thermal stability, and noise immunity. Key components include opto-couplers for isolation, relay drivers for signal interfacing, and trimming resistors for calibration of input/output scaling.

OPERATION:

During operation, the card receives signals from sensors or upstream modules, conditions and scales them as required, and transmits electrically isolated outputs to downstream logic modules. Signal processing is performed in real time, with the card acting as an intermediary that preserves the amplitude, polarity, and timing of the original signal. Typical interactions include interfacing with turbine speed and temperature sensors, interlock circuits, and auxiliary control modules, ensuring coordinated system operation.

INSTALLATION / MOUNTING:

The IC3600AIAD1C1D is designed to plug directly into the IC3600 backplane within a standard control rack. Proper insertion ensures both electrical and mechanical engagement with the system bus. Handling precautions include avoiding static discharge, ensuring backplane alignment, and verifying signal terminations to prevent damage to components or incorrect operation.

WOC maintains one of the largest inventories of GE Speedtronic Mark II Control System replacement parts, ensuring fast availability for critical turbine control requirements. In addition to supplying spare parts, we provide comprehensive repair services for faulty or damaged boards, performed by experienced engineers using industry-standard testing procedures. We can also supply unused, refurbished, and fully rebuilt modules, all backed by a reliable warranty to ensure long-term performance and operational confidence. Our technical specialists are available 24/7 to support OEM systems, minimize downtime, and address urgent automation challenges. Whether you require parts replacement, board repair, system support, or technical consultation, our expert team is ready to assist. For pricing, lead time, and availability of parts or repair services, please contact our team via phone or email.

FREQUENTLY ASKED QUESTIONS:

What is a Translating Isolated Card?

A Translating Isolated Card is an interface module used to convert input signals into system-compatible output levels while maintaining electrical isolation between circuits. It prevents noise, voltage transients, and ground loops from affecting sensitive control logic. The card is commonly used in GE Speedtronic Mark I and Mark II turbine control systems. Its function is critical for accurate and stable signal transmission.

What is the primary function of the IC3600AIAD1C1D card?

The IC3600AIAD1C1D translates analog or logic signals and provides galvanic isolation between the signal source and control system. It conditions incoming signals and delivers stable outputs to downstream logic modules. This ensures reliable turbine operation in electrically noisy industrial environments. The card acts as a protective and interfacing layer within the control rack.

Why is electrical isolation important in turbine control systems?

Electrical isolation protects control electronics from voltage spikes, ground potential differences, and electromagnetic interference. Without isolation, noise or transients from field devices could cause false trips or system damage. Isolation ensures stable signal integrity and improves overall system reliability. It is especially critical in high-power turbine installations.

What types of signals does the Translating Isolated Card handle?

The card typically handles analog voltage, analog current, and discrete logic signals. Common signal ranges include 0–10 VDC and 4–20 mA, depending on system configuration. Input signals are converted to IC3600-compatible levels before being transmitted. This flexibility allows the card to interface with various field instruments.