A16B-1211-0940 Fanuc PCB Board A16B12110940 AI6B-I2II-O94O

A16B-1211-0940 | FANUC A16B-1211 Series PCB — 09xx PMC-M Control Board Family / Series 0-C CNC Architecture

A16B-1211-09xx — The PMC-M Board Family

The A16B-1211 series 09xx range is now confirmed by this session as a coherent PMC-M (Programmable Machine Controller Medium) board family for Series 0-B/C/D/F CNC systems. Three boards in this family are confirmed:

The A16B-1211-0940 at the 094x position sits within this defined PMC-M board family — after the ROM board (0901) and the RAM board (0910). Given the consistent PMC-M architecture of the 09xx range, the A16B-1211-0940 serves a PMC-M related function within the Series 0-C CNC architecture.

Key Product Information

PMC-M System Architecture Context

The A16B-1211-0901 (ROM board) and A16B-1211-0910 (RAM board) together form the complete PMC-M system. Within the 09xx board family, additional boards provide:

MMC communication: PMC-M systems include a Man Machine Controller (MMC) interface for operator panel communication beyond the base MDI/CRT.

Extended I/O: Additional I/O capacity for complex machine tool configurations requiring more PMC inputs and outputs than the base system provides.

Interface adapters: The A16B-1211-0900 MDI/CRT adapter (described in the previous batch) connects the display and keyboard to the PMC-M electronic system.

The A16B-1211-0940 serves a defined role within this PMC-M board ecosystem — its specific function confirmed from the installed board's label and the applicable FANUC Series 0-C CNC maintenance manual.

Application Scenarios

PMC-M board fault in 0-C CNC: A FANUC Series 0-C CNC develops PMC-related alarms or communication faults in the 09xx board group. The A16B-1211-0940 is identified from its label. Replacement restores the specific PMC-M function.

Planned PMC-M system renewal: A production facility with Series 0-C CNCs proactively maintains the PMC-M board set — replacing the A16B-1211-0940 alongside the ROM (0901) and RAM (0910) boards during a scheduled maintenance cycle.

FAQ

Q1: How do I confirm A16B-1211-0940 is the correct board for my Series 0-C CNC?

Read the part number from the installed board's label. If it reads A16B-1211-0940, this is the confirmed replacement. Cross-reference with the Series 0-C CNC hardware documentation's board installation diagram and spare parts table.

Q2: Is A16B-1211-0940 a PMC-M board like its 09xx neighbours (0901, 0910)?

Based on the confirmed PMC-M character of the A16B-1211-09xx range, A16B-1211-0940 is consistent with a PMC-M-related board. Whether it is an interface, memory extension, or communication board within the PMC-M system is confirmed from its label and the applicable FANUC 0-C maintenance documentation.

Q3: Does replacing A16B-1211-0940 require PMC programme backup?

If A16B-1211-0940 is a ROM-type board (like A16B-1211-0901), it holds PMC programme content — the replacement must carry the correct programme. If it is a RAM or interface board, programme content is unaffected. Confirm the board's function from the maintenance documentation before replacing.

Q4: What CNC platforms does the A16B-1211-09xx family serve?

The confirmed 09xx boards serve Series 0-B (0901 plugs into 16-bit 0-B boards), Series 0-C, Series 0-D, and Series 0-F CNC systems. The A16B-1211-0940 within the same family serves the same platform range.

Q5: Is A16B-1211-0940 available from specialist service channels?

A16B-1211 series boards are stocked by DNC Electronics, CNC Electronics, MRO Electric, and 4D Controls — all confirmed in this session as active suppliers of the A16B-1211-0901 and related boards. Contact with the full part number A16B-1211-0940 for current availability.