Schneider AEG PC-A984-130
1. Overview
The PC-A984-130 is a compact CPU processor belonging to the Modicon 984 series. This model is typically used in combination with other I/O modules (e.g., Series 8000 modules) to form a complete control system. It is widely applied in the industrial automation field for various complex control tasks.
2. Specifications
- Memory: 4K (including basic memory required for system operation)
- Communication Interfaces: Equipped with RS-232 or RS-485 interfaces as standard, for communication with computers or other PLCs
- Compatibility: Fully compatible with AEG Modicon Series 8000 I/O modules such as 8000/102 and 8000/104
3. Features
- Compact Design: Small in size, ideal for cabinet installation in space-constrained environments
- High Reliability: Industrial-grade design, suitable for harsh industrial working conditions
- Strong Expandability: Can be combined with various Modicon Series 8000 I/O modules to flexibly build control systems of different scales
- Software Support: Compatible with Schneider Electric programming software (e.g., Unity Pro), supporting the programming of control logic via Ladder Logic or Structured Text (ST)
4. Structure & Components
- CPU Main Unit: Responsible for program execution and logic operation
- Communication Interfaces: For receiving instructions from upper computers or communicating with other PLCs
- Power Interface: Requires external power supply (24V DC as standard) for normal operation
- Mounting Structure: Supports DIN rail or cabinet mounting
5. Application Areas
- Power Industry: Automated control of power stations and distribution networks
- Chemical & Petroleum Industry: Control of reaction kettles, conveying systems and other equipment
- Machinery Manufacturing: Automated operation of mechanical equipment
- Metallurgy & Mining Industry: Control of large-scale production equipment
- Transportation: Auxiliary control systems for elevators and rail transit
6. Installation & Maintenance
Installation
- Power Connection: Ensure to use a power supply that meets specifications (24V DC as standard)
- Interface Connection: Connect I/O modules or upper computers via standard 5-pin interfaces or RJ45 interfaces (depending on specific versions)
- Fixed Mounting: Secure the unit on DIN rail or inside the cabinet with adequate ventilation guaranteed
Maintenance
- Regular Inspection: Check for stable power voltage and loose interfaces periodically
- Software Backup: Back up control programs regularly to prevent accidental loss
- Environmental Monitoring: Keep the working temperature and humidity within the product specification range to avoid overheating or moisture damage
- Firmware Update: Update CPU firmware as needed to enhance compatibility and stability

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