18 in stock
GE A02B-0218-B502 Control Unit Chassis
GE A02B-0218-B502 Control Unit Chassis
Brand/Manufacturer: GE
Order Number: A02B-0218-B502
Type: PLC Backplanes
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 Fanuc A02B-0218-B502, also cataloged as the A02B-0218-B502 Control Unit Chassis, operates as a dedicated hardware component for physical module housing and backplane interconnection within GE Fanuc Series 21-TB CNC platforms. Configured as a 2-slot rack enclosure weighing 1.13 kg (2.49 lbs), it provides the structural frame and bus interface channels required to seat CPU, power supply, or option cards controlling machine tool motion loops.
Suffix Breakdown & Model Matrix
The catalog identifier indicates specific structural layout and system integration parameters for GE Fanuc CNC chassis hardware:
- A02B: GE Fanuc mechanical housing and main control unit subrack prefix.
- 0218: Series 21 system platform generation index.
- -B502: 2-slot rack physical frame configuration designator for Series 21-TB controllers.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | A02B-0218-B502 |
| Brand | GE Fanuc |
| Origin | Japan |
| Weight | 1.13 kg (2.49 lbs) |
| Dimensions | Standard Series 21 2-Slot Frame Dimensions |
| Operating Temp | 0 to 55 deg C |
| Power Consumption | Passive Frame Assembly (Power routed via installed power supply card) |
| Slot Configuration | 2 Slots |
| Enclosure Type | Open Subrack / Frame Only |
| Compatible System | GE Fanuc Series 21-TB CNC |
Backplane Bus Communication & Frame Architecture
The two-slot internal bus structure maintains high backplane bus communication velocity across plugged control cards, minimizing propagation delay between CPU processing units and I/O interface channels. Rigid ground-plane plating ensures electromagnetic shielding and stable low-impedance paths across the backplane traces. Physical connector guides preserve firmware flash compatibility and signal pin alignment during module insertion, sustaining deterministic real-time communication across Series 21-TB control loops.
Frequently Asked Questions
Q: Does the A02B-0218-B502 frame assembly include an integrated power supply card or CPU module?
A: No. The A02B-0218-B502 is a "Frame Only" 2-slot chassis subrack. System cards, power supply units, and CPU modules must be installed into the slot positions separately.
Q: How is chassis ground continuity maintained across installed modules?
A: Internal card guide tracks and backplane mounting points feature conductive metal contact pads that link installed card ground planes directly to the main chassis earth point.
Field Installation Guidelines
- Turn off main power to the CNC electrical cabinet prior to mounting or dismounting the control unit frame.
- Secure the 2-slot frame to the cabinet mounting plate using designated grounding screws to ensure continuous enclosure shield grounding.
- Align internal circuit cards strictly along the top and bottom card guides before sliding them into backplane edge connectors.
- Verify that card retention latches or front panel locking screws are fully tightened to resist machine tool vibration.
- Ensure cabinet air ventilation clearances are maintained above and below the frame assembly to support passive thermal convection.
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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