15 in stock
GE A20B-2900-0442/02A Control Daughter Boards
GE A20B-2900-0442/02A Control Daughter Boards
Brand/Manufacturer: GE
Order Number: A20B-2900-0442/02A
Type: Control Boards
Country of Origin: USA
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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Description
The GE A20B-2900-0442/02A, also cataloged as the A20B-2900-0442 Daughter Board, operates as a dedicated hardware component for auxiliary logic processing and parallel bus data routing within GE Fanuc CNC system platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | A20B-2900-0442/02A |
| Brand | GE Fanuc Automation |
| Origin | Standard Manufacturing Facility |
| Weight | 0.18 kg |
| Dimensions | 16 cm x 10 cm x 1.8 cm |
| Operating Temp | Not Specified |
| Power Consumption | Receives 5 VDC and 12 VDC from main board |
| Interface Type | Parallel bus (2 x 50-pin stacking headers) |
| Component Count | 8 custom ASICs, 32 ceramic capacitors |
| Memory ICs | 2 x 32 KB SRAM chips |
| Energy Storage | Decoupling capacitors only (no battery) |
Backplane Bus Communication and Firmware Flash Compatibility
The daughterboard connects vertically to the primary CPU card via dual 50-pin stacking headers, maintaining deterministic high-speed parallel bus communication with the main processor. The four-layer printed circuit board construction handles high-frequency bus signals while suppressing cross-talk, ensuring stable firmware execution and interface compatibility across controller generations without requiring independent local non-volatile flash storage.
Frequently Asked Questions
Q: Does the A20B-2900-0442/02A retain user programs or machine parameters when power is removed?
A: No, the board contains no onboard battery backup and relies solely on volatile SRAM chips (2 x 32 KB) supported by system-level power architecture.
Q: Can this auxiliary control card be hot-swapped while the CNC main rack is energized?
A: No, system power must be completely de-energized prior to inserting or removing the daughterboard to protect custom ASIC logic and 50-pin edge connectors from transient electrical damage.
Field Installation Guidelines
Ensure main controller cabinet power is fully switched off before handling the board. Observe standard electrostatic discharge (ESD) precautions, including the use of a grounded wrist strap. Align the gold-plated contact fingers vertically with the designated 50-pin stacking connectors on the main CPU board and press downward evenly until fully seated. Verify mechanical stability before restoring system power.
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Testimonials
Fast Delivery, Excellent Quality
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
Reliable Partner for Original Parts
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Professional Service with After-Sales Support"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
Trusted Source for Industrial Automation Spares
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson