A02B-0238-B532 FANUC Control Basic Unit
The A02B-0238-B532 is a control basic unit from the FANUC A02B line. It carries a 7.2-inch monochrome LCD and an FSSB servo interface. A built-in PMC handles machine-side logic. The unit accepts RAM and ROM plug-in modules for memory growth. It suits CNC retrofits where the original display and control board must stay in service.
Core Specifications
- Model: A02B-0238-B532
- Product line: A02B
- Type: Control basic unit
- Display: 7.2-inch monochrome LCD
- Servo link: FSSB interface
- Monitor support: CRT, LCD, and PDP
- Logic: built-in PMC
- Memory: RAM and ROM plug-in modules
- Cooling: air-cooled
- Weight: 3.66 kg (8.06 lbs)
Environment and Compliance
- Operating range: 0–55 °C (32–131 °F)
- Humidity: 75% max, non-condensing
- Compliance: CE and UL
- Air-cooled housing, keep airflow clear
- Mount away from condensation sources
Bench Notes from Oiltech Controls
The A02B-0238-B532 pairs the display, control board, and PMC in one housing. That saves rack space and cabling. The FSSB link keeps servo wiring digital and short. RAM and ROM sockets let you match the unit to the machine software. Check the module population before you swap boards. A missing ROM module will stop the boot sequence.
Oiltech Controls’s Insight
- Record the ROM module part numbers before removal
- Check FSSB cable shielding on long runs
- Confirm PMC ladder backup before board swap
- Keep cabinet air filters clean to hold the 0–55 °C range
- Verify CRT, LCD, or PDP monitor type before ordering
Where It Fits
- CNC lathes and machining centers with A02B controls
- Legacy FANUC panels needing a display and control unit
- Retrofits that keep FSSB servo drives
- Machine cells with PMC-driven tool and clamp logic
- Shops supporting obsolete FANUC control hardware
Why Buy From Oiltech Controls?
- Over 15 years sourcing industrial automation spare parts
- Shipments to customers worldwide
- Tested industrial surplus and refurbished units
- 12-month warranty on every order
- Technical check before dispatch
- Support for obsolete control systems
Warranty and Shipping
- 12-month warranty covers the unit
- Dispatch within 24–28 hours
- Carriers: FedEx, UPS, and DHL
- Tracking number sent at dispatch
- Test record included in the box
Professional FAQ
Q: Will this unit drop into my existing A02B cabinet?
A: Measure the housing space and check the FSSB connector first. Match the ROM module set to the old board. Keep the original PMC ladder backup for restore.
Q: Can I use a standard LCD monitor with it?
A: The unit supports CRT, LCD, and PDP types. Confirm your monitor’s signal type and connector before you buy. Wrong monitor pairing is a common retrofit error.
Q: How do I check a used A02B-0238-B532 before installation?
A: Power it on the bench with a known monitor. Watch the boot screen for ROM errors. Test PMC output bits and the FSSB servo link. Ask for a test record.
Q: What memory options should I plan for?
A: List the RAM and ROM modules your machine program needs. Match socket population to the old board. Keep spare ROM modules labeled by machine.
Q: Is a refurbished control basic unit a safe choice?
A: It is a practical path for obsolete FANUC lines. Choose a seller that tests display, PMC, and FSSB. Confirm the 12-month warranty and return terms in writing.
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