Relay Output PCB for GE Fanuc CNC and Drive Systems
The A20B-0007-0040 serves as an I/O relay control board within GE Fanuc’s CNC and drive hardware family. Engineers deploy this printed circuit board to switch discrete loads through onboard relay contacts. Consequently, the board delivers dependable output control for machine tools and industrial automation equipment.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | A20B-0007-0040 |
| Manufacturer | GE Fanuc |
| Product Type | I/O Relay Control Board |
| Board Format | Printed Circuit Board (PCB) |
| Mounting | Chassis / Card Cage |
| Connector Type | Edge Connector, Backplane Interface |
| Output Type | Relay Contact Outputs |
| Signal Type | Discrete Digital Output |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -20°C to +70°C |
| Humidity Range | 5% to 95% (Non-Condensing) |
| Weight | 0.3 kg (Approximate) |
| Handling | ESD Sensitive |
Board Function and Architecture
This relay control board switches external loads through isolated mechanical contacts. It routes output commands from the CNC controller to solenoids, relays, and indicator lamps. Therefore, the A20B-0007-0040 handles functions such as coolant valves, clamp actuation, and status signalling. Relay isolation also protects the controller from inductive kickback on field wiring.
System Integration
Engineers install this board into designated slots within GE Fanuc control cabinets. The backplane edge connector carries both signal and power connections. Additionally, the board pairs with input and motion control boards from the same hardware family. Careful alignment during insertion prevents damage to the connector pins.
Compatibility and Service Notes
Operators use this board across CNC machining centers, lathes, and milling machines. Engineers must verify the exact model number against system documentation before ordering. Furthermore, the A20B-0007-0040 suits repair and replacement projects where original boards have failed. Qualified technicians should handle all installation work with proper ESD precautions.
Details
| Weight | 1.5 kg |
|---|---|
| Dimensions | 278 × 194 × 42 mm |
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