A20B-3900-0224 | FANUC 32MB FROM / 2MB SRAM R30iA Memory Module

Fanuc · PLCs & Industrial Controllers

Description  The FANUC A20B-3900-0224 is a memory module equipped with 32MB FROM and 2MB SRAM, designed for use with FANUC R-J3iC and R-30iA controllers. This add-on board enhances system memory capacity, ensuring efficient storage and processing of CNC programs and parameters.     Technical Specifications  Condition New/Never Used Surplus Brand FANUC Category PLCs/Machine Control Part Number A20B-3900-0224 Subcategory PC Board PLC/Add-On Board Product Type Memory Module Series A20B-3900 Controller Use FANUC R-J3iC and R-30iA Compatible Boards A16B-3200-0600, A16B-3200-0601 Memory Capacity 32MB FROM, 2MB SRAM Mounting Style Horizontal installation Function Program storage and high-speed memory access Availability Discontinued by Manufacturer (In Stock Surplus) Core Exchange Not accepted Repair Option Not offered Special Note Customer must reload FROM files, parameters, and programs Weight 0.04 lbs     Information About A20B-3900-0224 The A20B-3900-0224 is part of the FANUC A20B-3900 series, designed to extend memory capabilities within FANUC automation controllers. Specifically compatible with the R-30iA controller main boards A16B-3200-0600 and A16B-3200-0601, it installs horizontally for seamless integration. Featuring 32MB of FROM (Flash ROM) for program storage and 2MB of SRAM for high-speed access, this module improves performance and reliability. Although discontinued by the manufacturer, it remains widely used in industrial automation systems where FANUC controllers are deployed. Key Features: Controller Compatibility: Designed for FANUC R-J3iC and R-30iA controllers. Memory Expansion: Provides 32MB FROM for storage and 2MB SRAM for rapid processing. Installation Method: Mounts horizontally onto supported controller boards. Supported Main Boards: Compatible with A16B-3200-0600 (standard) and A16B-3200-0601 (force sensor option). Discontinued Product: No longer manufactured, but available in surplus condition. Reload Requirement: All FROM files, parameters, and programs must be reloaded after installation. Lightweight Design: Weighs just 0.04 lbs, minimizing impact on system form factor. Industrial Reliability: Built to FANUC standards for long-term CNC and robotics applications. The A20B-3900-0224 delivers the reliability and memory performance required for advanced CNC controllers and robotic systems.

Brand: Fanuc · Category: PLCs & Industrial Controllers

Key features

• Controller Compatibility: Designed for FANUC R-J3iC and R-30iA controllers.
• Memory Expansion: Provides 32MB FROM for storage and 2MB SRAM for rapid processing.
• Installation Method: Mounts horizontally onto supported controller boards.
• Supported Main Boards: Compatible with A16B-3200-0600 (standard) and A16B-3200-0601 (force sensor option).
• Discontinued Product: No longer manufactured, but available in surplus condition.
• Reload Requirement: All FROM files, parameters, and programs must be reloaded after installation.
• Lightweight Design: Weighs just 0.04 lbs, minimizing impact on system form factor.
• Industrial Reliability: Built to FANUC standards for long-term CNC and robotics applications.

Specifications

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