Technical Specifications Breakdown
Key parameters for the PC-E984-285C are listed below for quick reference:
| Feature | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Product Type | Compact Controller |
| Product Line | Modicon |
| Logic Memory | 32 K |
| Data Memory | 64 K |
| Clock Speed | 12 MHz |
| I/O Capacity | 256 Digital I/O |
| Input Voltage | 24 VDC |
| Communication | PROFIBUS-DP |
| Mounting Type | DIN Rail |
| Protection Class | IP20 |
| Temperature Range | 0°C to 55°C |
| Operating Humidity | 5% to 95% RH |
| Weight | 0.69 lbs (0.31 kg) |
Industry Applications
This controller is well-suited for discrete manufacturing lines where 256 digital I/O points provide flexible connectivity for sensors and actuators. The PROFIBUS-DP interface enables reliable communication with drives, HMIs, and other automation devices, making it a solid choice for retrofitting older Modicon systems or building new distributed control architectures. Its compact size and DIN rail mounting simplify integration into existing panels.

Installation & Setup Guidance
Mount the controller on a standard DIN rail using the integrated clip. Ensure the ambient temperature stays within 0°C to 55°C and humidity between 5% and 95% RH. Connect a 24 VDC power supply to the designated terminals. For PROFIBUS-DP communication, use a standard PROFIBUS cable and set the station address via the DIP switches (refer to the user manual for exact switch positions). Verify that the bus terminator is enabled on the last device in the segment.
Maintenance & Reliability
Periodically inspect the IP20 enclosure for dust accumulation, especially in environments with high particulate levels. Clean with a dry, lint-free cloth if needed. Check that all DIN rail mounting clips are secure. Verify that the 24 VDC supply remains within tolerance. The controller's 12 MHz clock speed and memory configuration provide stable operation for years of continuous use.
Compact Control for Demanding Automation Tasks
As a maintenance engineer, you need controllers that deliver reliable performance without unnecessary complexity. The Schneider Electric PC-E984-285C is a compact controller from the Modicon line, designed to handle a wide range of automation control tasks efficiently. With a logic memory of 32 K and data memory of 64 K, this unit supports diverse control algorithms and data management requirements. Its 12 MHz clock speed ensures efficient processing for standard industrial applications.

Compatibility & Integration
It can be used as a standalone controller or as part of a larger distributed network. When replacing an older unit, ensure the logic program is compatible with the 32 K logic memory and 64 K data memory limits.
Selection Guide & Purchasing Advice
When selecting a replacement or new controller, verify that your application's I/O count does not exceed 256 digital points and that your communication infrastructure supports PROFIBUS-DP. The PC-E984-285C is available through AutoDCSTech, a trusted supplier of industrial automation parts. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Availability & Condition at AutoDCSTech
| Part Number | PC-E984-285C |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | France |
