Schneider 140CPS21100

Product Overview

The Schneider Electric 140CPS21100 is a dedicated 24 VDC-to-5.1 VDC power supply module developed for use within the Modicon Quantum PLC platform. It is engineered to supply clean, regulated power to the backplane and modules of the Quantum automation system, ensuring stable operation of controllers, I/O modules, and communication units. Designed for reliability in critical industrial environments, this power supply supports a broad range of applications where consistent voltage and current delivery are essential.

The 140CPS21100 operates with an input voltage range of 20 to 30 VDC and provides a regulated 5.1 VDC output with a current rating of up to 3 A in standalone mode. With high immunity to industrial noise and transients, compact dimensions, and strict adherence to global safety standards, this module offers a dependable solution for power distribution within automation systems.

Key Features

1. Electrical Performance

• Input Voltage Range: 20–30 VDC nominal (24 VDC typical)

• Input Current: Maximum of 1.6 A at full load

• Output Voltage: Regulated 5.1 VDC

• Output Current Capacity: 0.3 A to 3.0 A (standalone operation)

• Output Power: Up to 15.3 W continuous

• Power Dissipation: 2 W plus 3 × Iout (current-dependent)

• Inrush Current: Limited to 30 A during startup

2. Backplane Integration

• Supplies power to all modules mounted on the same Quantum rack.

• Direct connection to Quantum backplane ensures low voltage drop and minimal noise.

• Powers both control logic and I/O signal conditioning circuits.

3. Protection Mechanisms

• Overvoltage protection ensures output does not exceed safe thresholds under fault conditions.

• Overcurrent and short-circuit protection prevent damage to internal circuits and connected devices.

• Tolerates brief voltage dips or interruptions, maintaining regulated output up to:

  • 1 ms at 20 VDC

  • 20 ms at 25 VDC

4. Status Monitoring

• LED Indicators:

  • One green "PWR OK" LED indicates correct output voltage and internal operation.

• Easy fault identification reduces troubleshooting time and downtime.

5. Environmental Tolerance

• Operating Temperature: 0°C to +60°C

• Storage Temperature: –40°C to +85°C

• Relative Humidity: Up to 95%, non-condensing

• Maximum Altitude: Operable up to 5000 meters without derating

6. Build and Form Factor

• Module Format: Standard Quantum chassis module

• Mounting: DIN-rail or rack-mounted with backplane connector

• Weight: Approx. 0.65 kg (1.43 lbs)

• Cooling Method: Passive convection cooling—no external fan required

7. Certifications and Compliance

• UL 508 Listed

• CSA C22.2 certified

• CE marked for European standards

• FM Class I, Division 2 certified for hazardous environments

• Complies with electromagnetic compatibility and industrial noise immunity requirements

Applications

The Schneider 140CPS21100 module is engineered for use in environments requiring stable and reliable low-voltage DC power for PLC-based systems. Typical applications include:

• Manufacturing Automation: Powering automation racks in assembly lines, robotic cells, and quality inspection stations.

• Process Control Systems: Supplying power to distributed controllers and instrumentation in petrochemical, pharmaceutical, and food processing facilities.

• Utilities and Energy: Supporting control and monitoring systems in substations, power plants, and renewable energy farms.

• Infrastructure Projects: Providing core power for control panels in railway automation, tunnel lighting control, and traffic management centers.

• Oil and Gas Industry: Suitable for offshore platforms, pipeline control systems, and zone-rated installations.

• Marine and Shipbuilding: Reliable power source for PLC systems in vessels and port automation.

Why Choose Schneider 140CPS21100

1. Purpose-Built for the Quantum Platform

This module is explicitly designed to integrate with Modicon Quantum systems, ensuring electrical and mechanical compatibility. No external adapters or converters are required.

2. Proven Industrial Reliability

Its construction allows continuous operation in harsh industrial environments. With extensive certifications and built-in protection features, it is trusted for mission-critical installations.

3. Stable and Clean Power Supply

The module provides a tightly regulated 5.1 VDC output, critical for maintaining signal integrity and proper operation of sensitive electronic components across the Quantum rack.

4. Efficient Power Distribution

With support for up to 3 A current output, the 140CPS21100 can effectively power a complete set of I/O and processor modules, even in large configurations, without the need for additional supplies.

5. Compact and Scalable

Its standard Quantum module size ensures compatibility with any rack layout. It allows for centralized or distributed power architecture based on system design.

6. Long Service Life

Components are selected for industrial-grade longevity, with derating factors considered to ensure performance over extended operational periods.

7. Reduced Downtime

Status indicators, protection functions, and predictable response to power anomalies help reduce unplanned stoppages and simplify preventive maintenance routines.

Conclusion

The Schneider Electric 140CPS21100 is a robust and efficient power supply module that forms the foundation of a reliable automation system. Its integration into the Quantum platform ensures consistent voltage distribution to all essential control components. With high availability, protection mechanisms, and certifications for global deployment, it meets the performance expectations of modern industrial applications. Whether used in manufacturing, infrastructure, or energy sectors, this module delivers long-term value, system stability, and engineering confidence.