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This base station connects remote I/O devices to GE Fanuc CNC systems. The GE A03B-0807-C300 acts as a master interface for I/O Link communication networks. It measures 200 mm in width and 150 mm in height. This unit weighs approximately 0.85 kg for DIN rail mounting.
Technical Specifications Table
| Parameter | Value |
|---|---|
| Product Model | GE A03B-0807-C300 |
| Brand | GE Fanuc |
| Category | I/O Link Base Station / Master Interface |
| Compatible Series | GE Fanuc CNC Systems |
| Communication Protocol | I/O Link (proprietary GE Fanuc) |
| Number of Slave Connections | 8 maximum |
| Transmission Speed | 1.5 Mbps |
| Max Cable Length | 200 meters between stations |
| Dimensions (W x H x D) | 200 mm x 150 mm x 60 mm |
| Weight | 0.85 kg |
| Connector Types | 1 x 25-pin SUB-D (CNC interface), 8 x 12-pin (I/O ports) |
| Internal Components | 1 x communication processor, 1 x buffer memory |
| User Memory | 32 KB for I/O mapping |
| Energy Storage | 2 x 470 µF power filtering capacitors |
| Digital I/O Points | 128 inputs / 128 outputs (mapped) |
| Operating Voltage | 24 V DC external supply |
| Power Consumption | 200 mA maximum |
| LED Indicators | 6 x status (Power, Run, Comm, Fault, Port1-8) |
| Operating Temperature | 0°C to 55°C |
Internal Design and Communication Processing
This base station uses a dedicated communication processor for I/O Link protocol. An onboard buffer memory stores the I/O mapping table for all slaves. The GE A03B-0807-C300 supports up to 8 remote I/O stations on the network. The base station scans all connected slaves every 5 milliseconds. Two 470 µF capacitors filter power supply ripple for clean operation. Consequently, this device provides fast and reliable remote I/O expansion for CNC systems.
Installation and Wiring Guide
First, mount this base station onto a standard 35 mm DIN rail securely. Next, connect a 24 V DC power supply to the designated terminals. Then, link the 25-pin SUB-D connector to your CNC controller interface. Wire your remote I/O stations to the 12-pin ports (1 through 8). Use shielded cables for all I/O Link connections to reduce noise. The module automatically scans and identifies connected slaves on startup. Six LED indicators show power, run, communication, fault, and port activity status. This I/O Link base station works with GE Fanuc CNC systems and compatible remote I/O modules.