Overview
The Modicon PC-0984-680 is a robust programmable controller designed for industrial process control and automation. Part of Schneider Electric’s legacy Modicon 984 series, this controller provides central processing, memory management, and integrated I/O capabilities. The 680 model is engineered for applications requiring mid-range processing power and supports both analog and digital I/O networks for flexible system integration.
Key Features
- Central Processing Unit (CPU) with dedicated memory subsystem
- Supports up to 1920 analog I/O points in 16-bit word format
- Integrated power supply with AC/DC functionality
- Remote I/O (RIO) processor option for distributed control networks
- Modbus and Modbus Plus network communication support
- Lithium battery backup for system memory and state RAM protection
- Built-in fault detection and system isolation features
Technical Specifications
- Power Supply Rating: 0.6/0.3A (50/60 Hz)
- Series: Modicon 984
- Model: 680 (mid-range controller)
- I/O Capacity: Up to 1920 analog points (16-bit)
- Memory: State RAM with lithium battery backup
- Communication: Modbus, Modbus Plus, Remote I/O networks
- Processor Type: Central Processing Unit (CPU)
- Operating Environment: Industrial control panel mounting
- Status Indicators: Mainframe LED status lights
Typical Applications
- Manufacturing process control and monitoring
- Industrial automation and machinery operation
- Multi-point analog/digital I/O applications
- Process sequencing and logic control
- Batch processing and production line control
- Legacy system upgrades and replacements
Compatibility & Replacements
Compatible With
- Modicon 984 series I/O modules and network components
- Modicon 984 Remote I/O (RIO) network systems
- Modbus communication networks
- Modbus Plus industrial protocols
- Modicon 984-series power supplies (AC and DC)
- Standard 19-inch DIN-rail industrial enclosures
Replaces / Drop-In Replacement For
- Modicon PC-0984-680 (direct equivalent)
- Legacy Modicon 984-series controllers requiring similar mid-range performance
- Verify compatibility with your system integrator before ordering for your specific application configuration
Works With
- Modicon Modbus Plus Network Planning and Installation tools
- Modicon 984 programming and maintenance software
- Remote I/O Processor modules (ASP890 series)
- Industrial communication gateways supporting Modbus protocol
- Legacy automation documentation and ladder logic programming
