Brand | Fanuc |
Status | NEW/USED |
Warranty | 12 months/3 months |
Type | A03B-0819-C051 |
High reliability | Fanuc I/O modules adopt industrial-grade design to ensure stable operation and adapt to harsh environments. |
Flexible expansion | Modular design supports multiple configurations and expansions to meet different application requirements. |
Fast response | High-speed signal processing capabilities ensure real-time control and fast response. |
The FANUC A03B-0819-C051 and A03B-0819-C161 are high-performance I/O modules designed for seamless integration within FANUC CNC control systems. These modules manage signal input and output between CNC controls and peripheral devices, ensuring precise coordination and communication in industrial automation.
Built with superior reliability and manufacturing precision, both models are part of FANUC’s proven I/O module lineup, known for their stability, fast response, and long service life under demanding factory conditions.
Stable Communication Performance:
Fast and noise-resistant signal transmission ensures reliable control performance, even in high-electromagnetic environments.
Optimized for FANUC Systems:
Fully compatible with multiple FANUC controller types, including 0i, 16i, 18i, and 31i series.
Compact & Durable Design:
Designed to minimize space usage in electrical cabinets while maintaining excellent heat dissipation.
High Electrical Isolation:
Protects connected devices from power surges, grounding issues, and short circuits.
Easy Installation and Maintenance:
Plug-and-play module structure simplifies integration and replacement during system upgrades or repairs.
These I/O modules are widely used across various CNC-controlled machinery and automation setups, including:
Machining centers and milling machines
FANUC robotic control systems
Industrial production lines
Automation and process monitoring systems
They provide essential I/O control for servo amplifiers, motor feedback systems, sensors, and external relays—critical for maintaining precise CNC operations.
Ensure power is off before module installation or removal.
Maintain clean and tight connector interfaces to prevent signal distortion.
Regularly inspect for corrosion or dust accumulation.
Backup I/O configurations before performing replacements or system updates.
1. Module Communication Error (I/O Link Failure):
Check the backplane connector and verify correct slot configuration in the CNC setup.
2. Input/Output Signal Not Detected:
Confirm the external wiring integrity and verify that the 24V power supply is stable.
3. Overheating:
Ensure proper ventilation around the module and confirm no overcurrent condition exists.
It acts as the interface between the CNC control system and external devices, converting signals for commands, feedback, and safety monitoring.
Testing is performed using the CNC diagnostic menu—you can observe signal status and use test pins to verify I/O activity.
They are similar but not identical. The main difference lies in their I/O capacity and connector configuration. Always verify your control system’s part number compatibility before replacement.
Yes, they integrate seamlessly with FANUC Alpha, Alpha-i, and Beta series drive systems.
At FANUCBUY, all FANUC I/O modules undergo professional testing and inspection before shipment. We ensure:
100% authenticity and quality assurance
Fast worldwide delivery
Professional technical support and after-sales service
Whether for replacement, system upgrade, or repair, our inventory of original FANUC drives, motors, and control modules guarantees performance you can trust.
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