Technical Specifications
| Parameter | Value |
|---|---|
| Model | A03B-0807-C102 |
| Category | PLC Card |
| Weight | 0.95 lbs (0.43 kg) |
| Dimensions | 6.3 x 4.7 x 1.4 inches |
| PCB Layers | 4-layer board |
| Component Count | 94 discrete components |
| Onboard Memory | 2MB flash, 256KB RAM |
| Operating Voltage | 24V DC ±10% |
| Power Consumption | 8W typical |
| Digital Inputs | 16 channels (24V DC) |
| Digital Outputs | 12 channels (24V DC, 0.5A) |
| Communication Ports | 1 x RS-485, 1 x CANbus |
Physical Build and Component Layout
This A03B-0807-C102 PLC card measures 6.3 inches in length. Its width reaches 4.7 inches with a thickness of 1.4 inches. The total weight stands at approximately 0.95 pounds. Manufacturers built this unit with four conductive PCB layers. These layers effectively reduce signal noise and cross-talk. The board contains exactly 94 discrete components. Among these components, you will find resistors, transistors, and ceramic capacitors.
Energy Storage and Memory Resources
A03B-0807-C102 integrates three 470µF aluminum electrolytic capacitors. These capacitors provide short-term energy buffering during power dips. For onboard storage, the card includes 2MB of flash memory. This flash memory retains the user program and system firmware. Additionally, 256KB of volatile RAM handles real-time data processing. A backup lithium cell preserves RAM contents for up to 72 hours.
Connectivity and I/O Capabilities
The PLC card provides 16 digital input channels. These inputs accept 24V DC signals from sensors or switches. For outputs, you get 12 digital channels. Each output delivers 24V DC at 0.5 amps maximum. Two communication interfaces support external connectivity. One RS-485 port connects to modbus networks or HMIs. One CANbus port links to servo drives or remote I/O racks.
Application Scenarios and Reliability
You can deploy this card in small to medium PLC systems. It works well for conveyor control, packaging machines, or batch processes. The A03B-0807-C102 operates reliably from 0°C to 55°C. Its four-layer design ensures stable performance in electrically noisy environments. Therefore, this card provides a cost-effective solution for factory automation.
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