FANUC A03B-0815-C003 is an input output expansion module used in FANUC CNC and PLC systems to increase the number of digital input and output channels available to the controller.
The module connects to the FANUC I/O rack or base unit and allows the CNC control system to communicate with additional sensors, switches, actuators, and external devices. By expanding available I/O capacity, the module enables machines and automation systems to control more field devices without replacing the main controller.
This module is commonly installed in FANUC-controlled manufacturing equipment, robotic systems, and automated production lines.
FANUC
A03B-0815-C003
CNC I/O Expansion Modules
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| Specification | Details |
|---|---|
| Model Number | A03B-0815-C003 |
| Component Type | CNC I/O Expansion Module |
| Primary Function | Expands digital input and output capacity |
| I/O Channels | Typically 32 or more depending on configuration |
| System Compatibility | FANUC Series 0i, 30i and compatible PLC systems |
| Mounting Type | DIN rail or panel mount |
| Connectivity | Backplane connection to I/O rack |
| Condition Options | New or Refurbished |
| Warranty | Up to 12 months depending on condition |
The module receives signals from machine sensors, switches, and safety devices and transmits them to the CNC or PLC controller.
Output channels allow the controller to activate machine components such as relays, valves, motors, and actuators.
The module increases the number of available I/O channels without requiring replacement of the main CNC controller.
The expansion module allows CNC machines to control additional peripheral devices used in complex manufacturing systems.
Commonly used in CNC lathes and machining centers where additional I/O capacity is required.
Installed in advanced multi-axis CNC machines and automated production environments.
Compatibility should always be confirmed with the machine’s I/O rack configuration and controller documentation.
Used to connect additional sensors, limit switches, and auxiliary devices to the CNC control system.
Allows PLC and CNC systems to manage multiple production devices simultaneously.
Provides additional digital I/O connections for robotic automation equipment.
Used in production environments requiring precise coordination of sensors and actuators.
Confirm that the existing FANUC I/O rack supports module A03B-0815-C003 before installation.
FANUC recommends powering down the system before installing or replacing expansion modules.
After installation verify that the controller recognizes the module and that I/O addresses are correctly configured.
Allows CNC and PLC systems to control more field devices without upgrading the main controller.
Supports scalable automation system design as production requirements grow.
Designed to operate in demanding manufacturing environments with continuous machine operation.
Backplane connection allows straightforward integration into compatible FANUC I/O racks.
1 × FANUC A03B-0815-C003 I/O Expansion Module
installation reference information available upon request
condition-specific warranty depending on selected unit
It expands the number of digital input and output channels available to a FANUC CNC or PLC control system.
The module is commonly used in FANUC Series 0i and Series 30i CNC control architectures.
If the machine already uses the same module type, it usually functions as a direct replacement. System configuration should be verified after installation.
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