FANUC A03B-0801-C051 Positioning Module A03B0801C051 AO3B-O8O1-CO51

FANUC A03B-0801-C051 | PT01A Positioning Module — Series 15-TTA CNC / I/O Position Module / A16B-1310-0210 Inside

PT01A — Positioning Function for the Series 15-TTA PLC

The A03B-0801-C051 is the PT01A positioning module in FANUC's A03B-0801 I/O module family, used with the Series 15-TTA CNC control. In the 15-TTA's modular I/O architecture, the PT01A provides the positioning interface function — the hardware that handles position signals and positioning control logic within the I/O bus structure, separate from the main CNC motion control axes.

The term "positioning module" in the FANUC 15-series I/O context identifies a module that manages a specific position-related I/O function — reading position signals from limit switches, encoder references, or positioning sensors, and reporting position status to the CNC's PLC (PMC) ladder logic. The PT01A occupies one slot in the I/O base unit alongside the other I/O modules (input modules, output modules, analogue modules) that collectively form the 15-TTA's distributed I/O system.

Inside the A03B-0801-C051 module housing is the printed circuit board A16B-1310-0210. This internal PCB is the active electronic component that performs the PT01A's positioning function. The A16B-1310-0210 is an assembly within the A03B-0801-C051 module — it is not supplied as a separate stock item. When the user description references A16B-1310-0210 as a replacement reference, it identifies the internal board that determines the module's function and that distinguishes this module variant from other A03B-0801 series modules.

Key Specifications

A16B-1310-0210 — The Internal Board That Defines This Module

The A16B-1310-0210 PCB inside the A03B-0801-C051 performs the module's actual positioning function. Identifying the internal board is useful for aftermarket sourcing — suppliers who stock the A16B-1310-0210 board can supply the functional equivalent even when the complete A03B-0801-C051 module assembly is not available. However, the board alone is not standard stock at most suppliers; the complete module (A03B-0801-C051) is the typical transaction unit, with A16B-1310-0210 referenced to confirm the module contains the correct internal board variant.

FAQ

Q1: What CNC system uses the A03B-0801-C051 PT01A module?

The A03B-0801-C051 is confirmed for the FANUC Series 15-TTA CNC control — the twin-turret turning variant of the Series 15 high-performance CNC platform. The A03B-0801 I/O module family was used with Series 15 CNC systems. The PT01A module serves the I/O bus position in the 15-TTA's distributed I/O configuration.

Q2: What does the PT01A module actually do in the Series 15-TTA system?

The PT01A provides positioning-related I/O interface capability within the Series 15 PLC (PMC) module system. It reads position-related signals from the field — limit switches, reference return switches, positioning sensors — and passes their status to the CNC's PMC ladder logic through the I/O module bus. The PMC uses these inputs to manage machine positioning sequences, ATC position confirmation, and similar operations.

Q3: Is the A16B-1310-0210 internal board available separately?

The A16B-1310-0210 is described by aftermarket suppliers as "not supplied separately" — the standard transaction unit is the complete A03B-0801-C051 module assembly. For board-level repair scenarios, specialist FANUC Series 15 repair centres may be able to source or rebuild the A16B-1310-0210 within the context of a complete module repair. Contact the supplier to confirm whether a bare board or a complete module is available.

Q4: How is the A03B-0801-C051 installed in the Series 15-TTA I/O system?

The A03B-0801-C051 mounts in the FANUC I/O base unit that houses the Series 15's distributed I/O modules. It connects to the base unit via the I/O bus edge connectors and additionally via a small terminal block and connectors for field signal wiring. The module's slot position in the base unit determines its I/O address assignment within the CNC's PMC I/O configuration.

Q5: Where is the A03B-0801-C051 sourced after discontinuation?

Through the FANUC Series 15-TTA CNC parts aftermarket — FANUC Series 15 specialists, tested surplus suppliers, and repair services. The A03B-0801-C051 with confirmed A16B-1310-0210 inside is the correct specification. Confirm from the module's label that it is PT01A (not another PT designation from the A03B-0801 range) before accepting a used unit.