FANUC AOR16G A03B-0819-C161 Modules

Name: FANUC AOR16G A03B-0819-C161 Modules
Brand: Fanuc

Model: AOR16G A03B-0819-C161

Brand Fanuc

Series AOR16G A03B-0819-C161

Model AOR16G A03B-0819-C161

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Technical Dossier

Product Details And Specifications

FANUC AOR16G Series Technical Notes

The Evolution of AOR16G Architecture

The AOR16G module belongs to FANUC's I/O Unit-MODEL A hardware generation, introduced alongside the Series 16/18 CNC platforms in the early 1990s. This generation standardized the A03B-0819-Cxxx part numbering convention, where the suffix designates channel count, signal type (voltage vs. current), and resolution. Early revisions of the AOR16G operated with 12-bit DAC resolution and supported ±10 V DC output ranges. Subsequent hardware revisions introduced improved EMI shielding and extended operating temperature tolerance to accommodate installation in non-climate-controlled enclosures common in foundry and offshore environments.

Compatibility across CNC generations is a documented integration challenge. The AOR16G communicates exclusively over FANUC I/O Link (not I/O Link II), which limits direct plug-in compatibility with Series 30i/31i/32i controllers without an I/O Link bridge adapter. Facilities migrating from Series 16/18 to 30i-series platforms must account for this bus-protocol boundary. For installations remaining on Series 16/18/21 hardware — a common scenario in facilities with long capital-expenditure cycles — the AOR16G remains the only form-fit-function replacement. No direct FANUC-branded successor module exists that maintains backward I/O Link (v1) compatibility in the same mechanical form factor.

AOR16G Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified FANUC I/O Unit-MODEL A analog and related module range. All part numbers follow the A03B-0819-Cxxx convention. Each module is a discrete line-replaceable unit (LRU) designed for backplane-slot installation.

A03B-0819-C161 (AOR16G): 16-ch analog output, ±10 V, I/O Link bus interface, 12-bit resolution.
A03B-0819-C160 (AOR08G): 8-ch analog output, ±10 V, I/O Link, compact slot footprint.
A03B-0819-C151 (AIR16G): 16-ch analog input, ±10 V differential, 12-bit ADC, I/O Link.
A03B-0819-C150 (AIR08G): 8-ch analog input, ±10 V, I/O Link, standard slot.
A03B-0819-C101 (DI32G): 32-ch digital input, 24 V DC sink/source, I/O Link.
A03B-0819-C102 (DI32D): 32-ch digital input, isolated, 24 V DC, high-noise-immunity variant.
A03B-0819-C111 (DO32G): 32-ch digital output, 24 V DC, 0.5 A per channel, I/O Link.
A03B-0819-C112 (DO32D): 32-ch digital output, isolated, transistor sink type.
A03B-0819-C121 (DI16/DO16G): Mixed 16-ch DI + 16-ch DO, 24 V DC, I/O Link.
A03B-0819-C131 (DI32/DO32G): High-density mixed I/O, 32 DI + 32 DO, dual-slot module.
A03B-0819-C141 (AOR04G): 4-ch analog output, ±10 V, I/O Link, minimal-channel applications.
A03B-0819-C171 (AOR16C): 16-ch analog output, 4–20 mA current loop, I/O Link, process control variant.
A03B-0819-C172 (AOR08C): 8-ch analog output, 4–20 mA current loop, I/O Link.
A03B-0819-C181 (AIR16C): 16-ch analog input, 4–20 mA current loop, 12-bit ADC, I/O Link.
A03B-0819-C200 (I/O Link Adapter): I/O Link master adapter for MODEL A baseplate, enables multi-group expansion.
A03B-0819-C001 (Base Unit 4-slot): 4-slot MODEL A baseplate, DIN-rail or panel mount.
A03B-0819-C002 (Base Unit 8-slot): 8-slot MODEL A baseplate, extended I/O configuration.
A03B-0819-C003 (Base Unit 12-slot): 12-slot MODEL A baseplate, maximum-density installation.

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