MeloAuto-Trusted PLC & DCS Parts Supplier
This back plane board distributes power and data signals across multiple modules. It connects CPU, servo, and I/O cards within the same rack. You can install this board directly into a GE CNC controller enclosure. The unit supports up to eight plug-in modules for flexible system configuration.
Technical Specifications & Key Parameters
| Parameter | Detail |
|---|---|
| Product Model | GE A20B-1003-0760/03A |
| Category | Rack Back Plane Board |
| Dimensions (L x W) | 310 mm x 152 mm |
| Weight | 0.54 kg (1.19 lbs) |
| Number of Slots | 8 expansion slots |
| Layer Construction | 4-layer PCB with ground plane |
| Connector Types | Eight 96-pin DIN 41612 connectors |
| Component Count | 22 capacitors, 18 resistors, 6 bus transceivers |
| Energy Storage | 2200 µF total capacitance (filtering) |
| Voltage Rails | 5V DC, 15V DC, -15V DC, 24V DC |
| Maximum Current per Rail | 10 A at 5V DC, 2 A at ±15V DC, 3 A at 24V DC |
| Mounting Holes | Six M4 threaded positions |
Detailed Feature Overview
GE A20B-1003-0760/03A provides eight slots for CNC controller cards. This design allows you to build custom system configurations easily. Each 96-pin DIN connector delivers stable power and high-speed data. The board uses a 4-layer PCB with a dedicated ground plane. Consequently, it reduces electrical noise between adjacent modules.
Twenty-two capacitors filter each voltage rail for clean power delivery. Six bus transceivers manage data traffic across the back plane. The unit handles 10 A continuously on the critical 5V DC rail. Moreover, separate ±15V DC rails support analog servo circuits.
Installation and Mechanical Details
Six M4 mounting holes secure the board to the chassis. Use insulated metal standoffs for proper grounding. The board weighs only 0.54 kg for simple handling. Its 310 mm length fits standard GE 19-inch rack enclosures. Keep the surrounding temperature between 0°C and 55°C for reliable operation.
Power Distribution and Configuration
This back plane distributes four distinct voltage rails to all eight slots. Each slot receives 5V DC for logic circuits and 24V DC for I/O. Additionally, ±15V DC rails support analog signal conditioning. You can mix different card types across any available slots. For example, place CPU cards beside servo or discrete I/O modules without restrictions.