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The FANUC Series 15-B was the top tier of FANUC's CNC product range when it was current. Where the Series 0 served general-purpose machine tools and the Series 16/18 served the mid-range, the Series 15 was engineered for machines demanding the highest axis count, the most complex motion, and the greatest programme capacity.
Series 15-B configurations:
F15-TB (Turning Centre): The Series 15-B configured for CNC lathes — supporting multi-axis turning centres with multiple turrets, subspindles, and Y-axis capability. The 15-B provided the axis count and computing power for complex turning-milling centres.
F15-MB (Machining Centre): The Series 15-B configured for machining centres — supporting large multi-axis machining centres with 5-axis simultaneous interpolation, advanced look-ahead contouring, and full tool path control.
The A16B-3200-0060 is the main CPU motherboard for both the F15-TB and F15-MB configurations — the central board that all other boards and modules plug into or connect to.
| Parameter | Value |
|---|---|
| Description | F15-TB/F15-MB Motherboard CPU Main-C |
| CNC Systems | FANUC Series 15-B |
| Board Level | Main-C (Level-Up CPU) |
| Compatible | F15-TB (turning), F15-MB (machining) |
| Series | A16B-3200 |
The Series 15-B was a complex, multi-board CNC system. The main CPU motherboard provides the physical and electrical backplane that connects:
When the A16B-3200-0060 fails, the entire CNC fails — no other board can compensate for the main CPU motherboard's absence.
Series 15-MB 5-axis machining centre failure: A FANUC Series 15-MB machining centre performing 5-axis simultaneous contouring develops a complete CNC failure. The main CPU board is identified. The A16B-3200-0060 is sourced and fitted with the existing option boards and memory modules reinstalled, restoring full 5-axis CNC operation.
Series 15-TB multi-turret lathe maintenance: A complex twin-turret turning centre with Y-axis and subspindle — running the Series 15-TB platform — requires a main board replacement. The A16B-3200-0060 Level-Up Main-C board restores the full multi-axis capability.
Q1: What is the difference between the Series 15-A and 15-B, and does this board apply to both?
The A16B-3200-0060 is specifically described for the 15-B (F15-TB, F15-MB) platform. The Series 15-A was the preceding hardware generation; 15-B followed with updated hardware. The main boards for these two hardware generations are not interchangeable. Confirm the machine's CNC hardware generation from the nameplate before ordering.
Q2: Does replacing A16B-3200-0060 erase CNC parameters?
CNC parameters in the Series 15-B reside in SRAM modules — separate plug-in boards from the main CPU board. If the SRAM modules are transferred intact to the replacement A16B-3200-0060, all parameters are preserved. If SRAM modules are also damaged, a full parameter restore from backup is required. Regular backup of all Series 15-B parameters and programmes is essential preventive practice.
Q3: What option boards plug into A16B-3200-0060?
The Series 15-B option architecture varied by machine configuration. Typical option boards installed on or connected to the main CPU board include: servo interface cards, graphic processor cards, communication boards (RS-232C, Ethernet), and PMC extension boards. All these boards must be correctly reinstalled on the replacement main board for the system to operate with its full configured capability.
Q4: Is the A16B-3200-0060 also used in the Series 150?
The FANUC Series 150 is a high-axis-count variant of the Series 15 platform used in transfer line and multi-axis applications. Whether A16B-3200-0060 applies to Series 150 configurations depends on the specific hardware variant of the Series 150 controller. Confirm from the applicable hardware documentation before ordering for a Series 150 application.
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