The Schneider Electric PC-D984-385 is a high-performance Modicon 984 series PLC CPU module, engineered for reliable industrial automation and process control systems.
The Schneider Electric PC-D984-385 is a high-performance Modicon 984 series PLC CPU module, engineered for reliable industrial automation and process control systems. Known for its durability and stable operation, this controller remains widely used in legacy automation infrastructures worldwide.
✔️ Model: PC-D984-385 (984-385D)
✔️ Series: Modicon 984 PLC
✔️ Type: CPU / Programmable Controller
✔️ User Memory: 16K
✔️ Data Memory: 2K
✔️ I/O Capacity: Up to 512 I/O points
✔️ Communication Ports: Modbus & Modbus Plus
✔️ Scan Time: Approx. 3 ms/k logic
✔️ Mounting: Rack-mounted CPU module
✔️ Power Options: 115/230 VAC or 24 VDC variants
Designed for continuous operation in demanding environments, ensuring stable control in manufacturing and process industries.
Supports Modbus and Modbus Plus, enabling seamless integration with SCADA, DCS, and other industrial systems.
Capable of handling medium-sized automation systems with expandable rack configurations.
Efficient scan times provide real-time control for critical industrial processes.
Manufacturing automation lines
Packaging machinery
Oil & gas process control
Power generation systems
Material handling and conveyor systems
Discontinued by manufacturer
Available as:
Refurbished units
Surplus inventory
Repair services
For modern systems, consider upgrading to newer Schneider platforms:
Modicon Quantum
Modicon M340
Modicon M580
These offer improved performance, Ethernet communication, and long-term support.
The PC-D984-385 remains a trusted PLC CPU for maintaining and expanding legacy Modicon 984 systems, offering proven reliability and compatibility with existing installations.