IC3606DEXB - Card Extender Board

SPECIFICATIONS:

Part No: IC3606DEXB
Manufacturer: General Electric
Product Type: Card Extender Board
Series: Mark I & II
Input Power: Rack provided DC supply
Input Interface: Backplane connector
Supply Voltage: Provided by control rack
Control Logic: TTL & CMOS level logic
Output Current: Up to 0.15 A
Output Voltage Range: 0 - 50 V DC
Operating Temperature: -40 deg C to +85 deg C
Availability: In Stock
Weight: Approx. 2.5 kg
Dimensions: 6.00 � 6.00 � 5.00 inches
Country of Origin: USA

FUNCTIONAL DESCRIPTION:

IC3606DEXB is a Card Extender Board manufactured by General Electric and used in the GE Speedtronic Mark II turbine control systems for gas and steam turbines. These double sided extender boards enable testing of single height and double height Eurocards 160 mm and 220 mm deep using DIN 41612 type B and C connectors. The board plugs directly into a subrack connector and features a unique front ejector mechanism to support the board under test. Terminal assemblies may be fitted to allow easy connection of oscilloscope probes for voltage measurement. The board is available in the PTH Microboard format and accommodates all necessary components for termination of backplane signals in customer-built systems. A multilayer extender version with a 96 way plug and a 96 way socket allows adaptation of a 160 mm deep daughter board to a 220 mm slot, or a 220 mm deep daughter board to a 280 mm slot. The extender depth is 60 mm to ensure proper alignment of front panels.

STANDARD AND SUPER PTH EXTENDER BOARDS:

A range of PTH extender board assemblies is available in two combinations of standard and super. The standard range, in either 64/64 or 96/96, is assembled with front and rear DIN connectors and supplied complete with ejector arms. The super version, in 96/96 format only, is complete with all the standard parts, including gold-plated wirewrapping pins, jumper links, and logic analyser reverse DIN connector. The boards provide a high degree of mechanical flexibility and have many electrical advantages over their double-sided predecessors

• Expandable height in multiples of 3U (3U, 6U, 9U, etc.), achieved by simply adding standard divider plate assemblies as required.
• Ability to mix different types of extenders from 3U upwards, allowing compatibility with various bus systems.
• Suitable for 160 mm and 220 mm deep systems.
• Maximum track widths with 70 �m copper plating thickness to minimise voltage drop.
• DIN connector outer rows (1abc, 2abc, 31abc, and 32abc) feature extra-wide tracks to match power rails on most standard bus systems.

MULTILAYER EXTENDERS:

This multilayer extender board offers the engineer the best possible guarantee against crosstalk due to the 0V guarding being positioned on three sides of each individual signal line. The multilayer construction features a control 0V ground plane inner layer with a latticed trace around all jumper pin positions for maximum shielding. The extender board features 42 signal lines on both sides of the board, which are protected by a 0V guard track between each pair of signal lines. The guard track is connected to the 0V inner layer plane at both ends by the use of via holes. The power rails on the outer edges of the board feature a cross patching facility, which uses jumper links in order to give the user complete flexibility when trying to match a particular backplane system. The board is supplied completely assembled with connectors at both ends. Power rails are committed to pins 1abc, 2abc, 31abc and 32abc. If necessary, any of these power rails may be connected to the 0V inner plane by use of cross-patching jumper links.

• Three-layer bonded multilayer construction with a dedicated 0 V ground plane sandwiched between layers for enhanced signal integrity.
• Patented 0 V guard tracking between all signal lines to minimise noise and crosstalk.
• Flexible power rail architecture supporting up to four independent Vcc rails with a continuous 0 V return plane.
• Integrated voltage and current measurement facilities using wire-wrapping pins and jumper links, fully assembled on the board.
• Expandable height options of 3U, 6U, 9U, and beyond, configurable in multiple combinations using compatible PTH and Super PTH extender boards.
• Built-in support/eject mechanism ensures the daughterboard remains securely captive within the guides during ejection and guarantees correct connector separation during dismantling.

MULTILAYER UN-COMMITTED EXTENDER BOARDS:

These extender boards have been designed to offer the greatest flexibility in the arrangement of power, ground and signal lines, yet afford the engineer the best possible protection against crosstalk by the use of a patented method of 0V guard tracking. The 96 signal lines are positioned over three layers, with the facility to commit any line to any voltage. The remaining layers are committed to 0V and Vcc planes, thus minimising voltage drop over the length of the extender. These extenders are supplied completely assembled with connectors at each end, plus wirewrap pins, jumpers and a reverse DIN connector for the fitment of a �stub� terminator or a logic analyser. Signal lines can be committed to either 0V or Vcc by using the Commitment strap shown below. By fitting the tag into the holes in the guard track (round pads) adjacent, the connector pattern will commit the required pins to 0V. Conversely, rotating the strap 180� and fitting the tag to the square padded holes will commit to Vcc. This process is to be repeated at both ends of the extender.

WOC maintains one of the largest inventories of high-quality replacement parts for GE Speedtronic Gas Turbine Control Systems, ensuring fast availability and reduced downtime for critical operations. In addition to parts supply, we provide comprehensive repair services for faulty and obsolete control boards, performed by experienced engineers using advanced diagnostic equipment. We also offer unused, refurbished, and rebuilt boards, all thoroughly tested and delivered with a warranty for complete reliability and peace of mind.

Our dedicated team of automation specialists is available 24/7 to support your OEM requirements, troubleshooting needs, and urgent shutdown situations. With extensive expertise across GE Mark I, Mark II, Mark IV, Mark V, Mark VI, and Mark VII systems, WOC is fully equipped to support your turbine control and automation challenges. For pricing, availability, technical assistance, or repair inquiries, please contact our team by phone or email. Our experts are always ready to assist you.

FREQUENTLY ASKED QUESTIONS:

What is a Card Extender Board?

A Card Extender Board is a diagnostic interface card that allows circuit boards to be operated outside the main rack while remaining electrically connected to the system backplane. It enables safe access for testing, troubleshooting, and signal monitoring.

What is the difference between a standard extender and a super extender board?

A standard extender provides basic signal extension for testing, while a super extender includes preassembled jumper links, voltage/current measurement points, enhanced grounding, and mounting provisions for logic analysers or stub terminators.

What is a backplane stub terminator?

A stub terminator is used to maintain correct impedance and signal integrity when operating boards outside the rack, preventing reflections on high-speed bus systems.