A02B-0308-B500 FANUC 32i-A CNC Control Unit

A02B-0308-B500 FANUC Series 32i-A CNC Control Basic Unit (No Slot)

Technical Specifications

• Brand: FANUC
• Model: A02B-0308-B500
• Series: FANUC Series 32i-A
• Category: CNC control basic unit (no slot)
• Supply voltage: 24 VDC ±10%
• Heat output: 33 W (7.2" STN monochrome LCD-mounted type)
• Built-in ports: JD36A (RS-232C), JD51A (I/O Link), CD38A (Ethernet)
• Protocols: RS-232C, I/O Link, Ethernet
• Communication expansion: Backplane I/O modules
• Operating ambient temperature: 0 to 58 °C
• Storage/transport temperature: −20 to 60 °C
• Relative humidity: 75%RH or less normal; up to 95%RH for short periods (≤1 month), no condensation
• Weight: ~2.2 kg (LCD-mounted type)
• Dimensions: Outline drawing per FANUC B-63943EN/02 Appendix A
• Lifecycle: Legacy; superseded by Series 30i/31i/32i-B

Core Technical Highlights

• The no-slot design keeps the footprint small inside the cabinet.
• The unit runs on a stable 24 VDC ±10% supply rail.
• Heat output stays at 33 W for the LCD-mounted configuration.
• Three built-in ports cover serial, fieldbus, and network needs.
• Ethernet support enables fast program transfer and remote monitoring.
• I/O Link still expands the system through backplane modules.
• The operating range spans 0 to 58 °C for tough shop floors.
• Humidity tolerance reaches 95%RH for short periods without condensation.
• FANUC documents all environmental limits in B-63945EN/02 §5.10.

Installation Guide

• Mount the basic unit inside a sealed control cabinet.
• Keep ambient temperature within the 0 to 58 °C operating range.
• Connect the 24 VDC supply with correct polarity and ±10% tolerance.
• Route RS-232C cabling to the JD36A connector.
• Wire I/O Link devices to the JD51A port.
• Attach Ethernet cabling to the CD38A port for network access.
• Add backplane I/O modules when the application needs more communication.
• Verify grounding and cable shielding before power-up.
• Follow FANUC B-63945EN/02 connection procedures during commissioning.

Packing List

• 1 × FANUC A02B-0308-B500 control basic unit
• 1 × Protective shipping carton with foam inserts
• 1 × Antistatic protective bag
• Shipping via FedEx, UPS, or DHL

FAQ

• Q: What is the condition of this unit?
  A: We supply the unit brand new and original.
• Q: Do you keep stock?
  A: Yes, we hold this item in stock for immediate order processing.
• Q: How fast do you ship?
  A: We dispatch orders within 5 days.
• Q: Which carriers do you use?
  A: We ship with FedEx, UPS, and DHL.
• Q: What is the return policy?
  A: We support returns within 30 days.
• Q: What supply voltage does the A02B-0308-B500 require?
  A: The unit needs 24 VDC ±10%.
• Q: Which communication ports are built in?
  A: It offers RS-232C, I/O Link, and Ethernet ports.
• Q: What is the operating temperature range?
  A: The control runs from 0 to 58 °C.
• Q: How much heat does the unit produce?
  A: Heat output reaches 33 W in the LCD-mounted configuration.
• Q: Does this model have expansion slots?
  A: No, this basic unit ships without slots.
• Q: Is this series still current?
  A: No, the 32i-A generation is legacy and superseded by the 32i-B.