Guizhou Yuanmiao Automation Equipment Co., Ltd.: 1Yr

Anshun, Guizhou, China; Main products: ABB Triconex Foxboro LAM, Bentley Motorola Schneider, Kollmorgen HIMA ALSTOM, Reliance GE HONEYWELL NI、ICS

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Home > Products > Schneider Modicon > SCHNEIDER 140CPS21400 Power Module

SCHNEIDER 140CPS21400 Power Module

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Product Details

Material	Other, Global universal model	Condition	Other, Global universal model
Task	Other, Global universal model	Mathematical Model	Other, Global universal model
Signal	Other, Global universal model	Customized	Non-Customized
Structure	Other, Global universal model	Operating Temperature	0℃-60℃
Relative Humidity	5%-95% (non-condensing)	Dimensions	100mm×160mm×220mm

Product Description

I. Overview

Schneider 140CPS21400 is a core power supply module for the Modicon Quantum series Programmable Logic Controllers (PLCs). Its core positioning is an "efficient power supply unit for medium and large-scale industrial control systems", focusing on solving the problem of stable power supply for Modicon Quantum PLC systems and peripheral I/O modules in industrial scenarios such as metallurgy, chemical engineering, electric power, and water treatment. This module is highly compatible with the backplane bus architecture of Modicon Quantum series PLCs, adopting a high-efficiency switching power supply design, a multi-redundancy protection mechanism, and a wide input voltage range adaptation technology. It undertakes the key tasks of converting AC or DC input power from industrial sites into stable DC working power required by various modules of the PLC system, and realizing power distribution and power supply status monitoring through the system backplane bus. It provides continuous and stable power support for the reliable operation of core components such as PLC controllers, I/O modules, and communication modules.

As a main power supply module of the Modicon Quantum series, the 140CPS21400 has core advantages including 10A high output current, wide input voltage compatibility, industrial-grade protection performance, and flexible redundancy configuration. It can meet the power supply needs of medium and large-scale PLC systems without additional power expansion modules, effectively improving the integration and reliability of system power supply. It is widely used in various medium and large-scale industrial automation control systems, such as power supply for blast furnace control systems in the metallurgical industry, power supply for reactor PLC systems in the chemical industry, power supply for substation automation control in the electric power industry, and power supply for sewage treatment PLC systems in the water treatment industry. The module has core characteristics such as seamless compatibility with the Modicon Quantum system, 10A high-power output, wide-range AC/DC input, multiple fault protections, and redundant power supply support. It can adapt to harsh industrial environments such as high temperature, high humidity, and strong electromagnetic interference, fully meeting the high requirements of medium and large-scale industrial control systems for power supply stability, reliability, and safety.

II. Technical Parameters

Parameter Category	Specific Specifications	Detailed Description
Core Power Supply & Adaptation Parameters	Adaptation Platform	Specifically designed for Schneider Modicon Quantum series PLCs; Compatible with Quantum series standard backplane bus; Supports collaborative work with all controllers, I/O modules, and communication modules of the Quantum series
	Input Power Specifications	AC input: 100-240V AC, 50/60Hz (wide-range adaptive); DC input: 110-250V DC; Allowable input voltage fluctuation range: ±10%; Input current: ≤16A at AC 100V, ≤8A at AC 240V, ≤12A at DC 110V, ≤5A at DC 250V
	Output Power Specifications	Output voltage: 5V DC (main output, power supply for PLC core components); Output current: maximum 10A; Output voltage accuracy: ±0.5% (at full load); Output ripple and noise: ≤50mVpp; Load regulation: ≤0.1%
Bus & Interface Parameters	Backplane Bus Interface	Compatible with Modicon Quantum series standard backplane bus; Bus communication rate: synchronized with the system backplane (supports real-time transmission of power supply status data); Module installation position: dedicated power supply slot on the Quantum backplane (usually the leftmost or rightmost slot); Supports hot swapping (compliant with Quantum system hot swap specifications)
	External Wiring Interface	Uses screw-type terminal blocks; Input terminals: 2 each for L, N (AC) / +, - (DC), 1 grounding terminal; Output terminals: 2 each for 5V DC +, - (supports parallel connection for capacity expansion); Terminal rated current: 16A for input terminals, 10A for output terminals; Wiring specification: 1.5-4mm² (single-strand/multi-strand wires)
	Monitoring & Alarm Interfaces	Equipped with power supply status indicator interfaces (power operation, fault, redundancy status); Supports dry contact fault alarm output (1 channel, configurable normally open/normally closed); Supports communication with Quantum controllers to upload power supply parameters (output voltage, current, temperature) and fault information
Efficiency & Power Consumption Parameters	Conversion Efficiency	≥85% at AC 100V input; ≥88% at AC 240V input; ≥86% at DC 110V input; ≥89% at DC 250V input; Stable efficiency at full load, fluctuation ≤2%
	Power Consumption & Heat Dissipation	No-load power consumption: ≤10W; Full-load power consumption: ≤60W; Heat dissipation method: natural heat dissipation + aluminum heat sink; Fanless design to avoid faults caused by dust accumulation
Environmental & Physical Parameters	Environmental Parameters	Operating temperature: 0℃-60℃; Storage temperature: -40℃-85℃; Relative humidity: 5%-95% (no condensation); Vibration resistance: 10-500Hz, 1g (three axes); Shock resistance: 15g (peak, 11ms, three axes); EMC (Electromagnetic Compatibility): Compliant with EN 61000-4-2/3/4/5/6 standards
	Physical & Installation Parameters	Dimension specifications: 100mm×160mm×220mm (length×width×height, including heat sink); Installation method: embedded installation on Modicon Quantum standard backplane; Weight: approximately 1.8kg; Housing material: cold-rolled steel plate (with anti-corrosion coating); Protection class: IP20 (module itself), IP54 (after installation with cabinet)
Reliability & Protection Parameters	Protection Functions	Overcurrent protection: triggered when output current ≥11A, current limiting protection (non-latch mode, automatic recovery after fault elimination); Overvoltage protection: triggered when output voltage ≥5.5V, output shutdown (restart required after fault elimination); Overtemperature protection: triggered when module temperature ≥75℃, derated output; Short-circuit protection: triggered when output is short-circuited, instantaneous shutdown, automatic recovery after fault elimination; Input surge protection: compliant with IEC 61000-4-5 standard, 8/20μs surge current ±2kV
	Reliability Indicators	Mean Time Between Failures (MTBF): ≥200,000 hours (at 25℃); Service life: ≥10 years (under normal working conditions); Insulation resistance: ≥100MΩ between input and output (at 500V DC); Isolation voltage: 2.5kV AC between input and output (for 1 minute), 2kV AC between input and ground (for 1 minute)

III. Functional Features

1. Deep Compatibility with Modicon Quantum System, Convenient and Efficient Deployment

Adopting a hardware architecture specially developed for Modicon Quantum series PLCs, it achieves seamless compatibility with the system backplane bus, significantly improving deployment efficiency and operational stability. The module can be directly inserted into the dedicated power supply slot of the Quantum series standard backplane (usually the leftmost or rightmost slot, with anti-misinsertion design), without the need for additional adapters or patch cables. Through the backplane bus, it not only realizes power distribution but also transmits power supply status data (such as output voltage, current, module temperature, etc.) to the controller in real time. Physical installation only requires two steps: backplane insertion and input/output wiring, reducing installation time by 50% compared with traditional power supply modules. After being connected to the system, the Quantum controller can automatically identify the module model, firmware version, and power supply parameters through system software (such as Unity Pro), eliminating the need for engineers to manually configure device information. The software interface can display the module's operating status in real time, simplifying the equipment management process. It supports hot swapping, compliant with the Modicon Quantum system's hot swap specifications, allowing the module to be directly plugged in or out for maintenance or replacement without shutting down the system. Combined with the redundant power supply design, it can realize "zero-downtime" maintenance, making it particularly suitable for critical industrial control systems that cannot be easily shut down, such as those in the chemical and electric power industries.

2. Wide-Range AC/DC Input, Adapting to Diverse Power Supply Scenarios

Adopting a wide-range input power supply design, it supports both AC and DC input, enabling flexible adaptation to power supply conditions in different industrial sites and significantly improving the module's versatility and environmental adaptability. The AC input range covers 100-240V AC (50/60Hz adaptive), which can adapt to AC power supply systems of different standards such as 220V AC in China and 110V AC in foreign countries; the DC input range covers 110-250V DC, which can adapt to common 110V DC or 220V DC DC power supply networks in industrial sites. There is no need to replace the module to meet the power supply needs of different regions and scenarios. The input voltage allows a fluctuation range of ±10%. For example, in an industrial workshop with unstable voltage, when the input voltage fluctuates within the range of 90-264V AC or 99-275V DC, the module can still stably output 5V DC power, avoiding PLC system shutdown caused by input voltage fluctuations. It has a built-in input surge protection circuit, compliant with the IEC 61000-4-5 standard, which can resist surge impacts of ±2kV, effectively dealing with power supply surge interference caused by motor startup/shutdown, transformer switching, etc. in industrial sites, and ensuring the safety of the module itself and the backend PLC components.

3. 10A High-Power Output, Supporting Flexible Load Expansion

Adopting a high-efficiency power conversion circuit design, it achieves stable 5V DC/10A high-power output, which can meet the power supply needs of medium and large-scale Modicon Quantum PLC systems and support flexible load expansion. The maximum output current of 10A can simultaneously supply power to Quantum controllers, multiple I/O modules (such as digital I/O, analog I/O), communication modules (such as Ethernet/IP, Profibus modules), and peripheral auxiliary components. For example, for a system including 1 controller, 8 I/O modules, and 2 communication modules, a single 140CPS21400 module can meet the power supply needs without additional power expansion modules. The module's output terminals adopt a dual-channel parallel design, and the output current can be expanded by paralleling multiple 140CPS21400 modules (for example, 2 modules in parallel can achieve 20A output), adapting to PLC systems with larger loads. The output voltage accuracy is as high as ±0.5%, and the load regulation is ≤0.1%. Even when the load dynamically changes from 10% to 100%, the output voltage fluctuation range is ≤5mV, ensuring the stable operation of voltage-sensitive components such as PLC core chips and sensors, and avoiding data acquisition errors or control logic abnormalities caused by voltage fluctuations.

4. Multiple Redundancy Protections, Excellent Power Supply Reliability

It integrates multiple redundancy protection mechanisms for input, output, and the module itself, significantly improving the reliability and fault tolerance of the power supply system, and effectively avoiding PLC system shutdown caused by power supply faults. The output end is equipped with four protection functions: overcurrent, overvoltage, short-circuit, and overtemperature. Overcurrent protection adopts a current-limiting mode; when the output current is ≥11A, the module automatically limits the current output to avoid overload damage. Overvoltage protection is triggered when the output voltage is ≥5.5V, immediately shutting down the output to prevent damage to backend PLC modules caused by excessively high voltage. Short-circuit protection can instantly respond to output short-circuit faults, shut down the output circuit, and automatically restore power supply after fault elimination. Overtemperature protection is triggered when the module temperature is ≥75℃, reducing power consumption through derated output, and automatically restoring normal output after the temperature drops to a safe range. It supports dual-module or multi-module redundant power supply configuration. In redundant mode, multiple 140CPS21400 modules work in parallel, realizing load sharing through a current-sharing circuit. When one of the modules fails, other modules can automatically take over the entire load, realizing "disturbance-free" switching and ensuring uninterrupted power supply. For example, in the chemical reactor control system, dual-module redundant power supply is adopted; even if one power supply module fails, the system can still operate normally, avoiding safety accidents caused by reactor out of control.

5. High Efficiency, Energy Saving, and Stable Heat Dissipation, Adapting to Harsh Environments

Adopting a high-efficiency switching power supply topology and an optimized heat dissipation design, it achieves high conversion efficiency and stable heat dissipation, and can operate stably for a long time in harsh industrial environments. The maximum conversion efficiency of the module can reach 89% (at full load with 240V AC input). Compared with traditional power supply modules, the energy consumption is reduced by 15%-20%, which can effectively reduce the electricity cost of industrial sites in long-term use. The no-load power consumption is ≤10W, and it can maintain low-power operation when the system is on standby or under light load, further improving the energy-saving effect. The heat dissipation method adopts a combination of natural heat dissipation and aluminum heat sinks. The fanless structure avoids heat dissipation failure caused by fan faults and prevents dust accumulation from blocking the heat dissipation channels, making it suitable for dusty industrial scenarios such as metallurgy and cement production. The operating temperature range covers 0℃-60℃, and it can operate stably in high-temperature steel plant workshops or low-temperature outdoor control cabinets without additional heat dissipation or heating equipment. The relative humidity adaptation range is 5%-95% (no condensation), which can adapt to the humid environment of papermaking and textile workshops. The housing is made of cold-rolled steel plate with an anti-corrosion coating, which has good corrosion resistance and vibration resistance. The vibration resistance level reaches 10-500Hz, 1g, which can resist mechanical vibration interference in industrial sites.

6. Comprehensive Status Monitoring & Alarm, Convenient and Efficient Operation & Maintenance

It integrates module-level and system-level comprehensive status monitoring and alarm functions, which can feed back the power supply status in real time and give timely fault warnings, significantly reducing operation and maintenance costs and fault handling time. The module is equipped with three core status indicators: power operation light (green, steady on indicates normal operation), fault light (red, steady on indicates module fault, blinking indicates overload or overtemperature), and redundancy status light (yellow, steady on indicates normal redundancy mode, blinking indicates redundant module fault). Engineers can quickly judge the module's operating status through the indicators. It supports dry contact fault alarm output, which can be connected to an audible and visual alarm or the input module of the PLC. When the module has faults such as overvoltage, overcurrent, or overtemperature, it immediately triggers an alarm signal to realize timely fault notification. Through the Modicon Quantum system bus, the module can upload detailed operating parameters (such as input voltage, output voltage, output current, module temperature) and fault information (such as fault type, occurrence time, fault code) to the controller. Engineers can view these data in real time through Unity Pro software and also query historical fault logs (which can store 100 fault records). Fault troubleshooting can be completed without on-site module disassembly, reducing fault handling time by more than 70%. It supports remote diagnosis function; through the communication module, remote status monitoring and fault diagnosis of the power supply module can be realized, which is suitable for distributed industrial control scenarios.

IV. Common Faults and Solutions

Fault Phenomenon	Possible Causes	Solutions	Precautions
No module output, operation indicator not on	1. Input power not connected or loose wiring; 2. Input power voltage exceeds the module's adaptation range; 3. Input fuse blown (inside the module); 4. Fault in the module's internal power conversion circuit; 5. Poor contact of the backplane slot	After power-off, check the wiring of input terminals, and re-tighten L, N (or +, -) and grounding terminals; 2. Use a multimeter to measure the input power voltage, ensuring it is within the range of 100-240V AC or 110-250V DC; 3. Contact Schneider after-sales service to inspect the internal fuse, and replace it with a fuse of the same specification if it is confirmed to be blown; 4. Replace the module to another backplane slot for testing; if there is still no output, the module is faulty, contact after-sales service for repair; 5. Turn off the system power, re-plug the module, and clean the dust in the backplane slot	When measuring input voltage, attention should be paid to distinguishing between AC and DC to avoid selecting the wrong multimeter range; fuses must be replaced with Schneider original specifications, and non-standard fuses are prohibited; the module must be powered off before plugging/unplugging to avoid damaging the backplane
Unstable output voltage, frequent PLC system restart	1. Excessive input power voltage fluctuation (exceeding ±10% range); 2. Excessive output load or intermittent short circuit; 3. Aging of the module's output filter capacitor; 4. Fault in the module's internal voltage regulation circuit; 5. Fault in the current-sharing circuit of redundant modules (in redundant configuration)	1. Measure the input power voltage; if the fluctuation is excessive, install a voltage stabilizer; 2. Inspect the backend load, remove overloaded modules or troubleshoot short-circuit points; 3. Contact Schneider after-sales service to inspect the filter capacitor, and replace it if it is aged; 4. Test the module output with a standard load; if it is still unstable, the module is faulty; 5. Inspect the current-sharing wires between redundant modules, and reconfigure redundancy parameters	The power of the installed voltage stabilizer must be greater than 1.2 times the module

Fault Phenomenon

Possible Causes

Solutions

Precautions

No module output, operation indicator not on

1. Input power not connected or loose wiring; 2. Input power voltage exceeds the module's adaptation range; 3. Input fuse blown (inside the module); 4. Fault in the module's internal power conversion circuit; 5. Poor contact of the backplane slot

After power-off, check the wiring of input terminals, and re-tighten L, N (or +, -) and grounding terminals; 2. Use a multimeter to measure the input power voltage, ensuring it is within the range of 100-240V AC or 110-250V DC; 3. Contact Schneider after-sales service to inspect the internal fuse, and replace it with a fuse of the same specification if it is confirmed to be blown; 4. Replace the module to another backplane slot for testing; if there is still no output, the module is faulty, contact after-sales service for repair; 5. Turn off the system power, re-plug the module, and clean the dust in the backplane slot

When measuring input voltage, attention should be paid to distinguishing between AC and DC to avoid selecting the wrong multimeter range; fuses must be replaced with Schneider original specifications, and non-standard fuses are prohibited; the module must be powered off before plugging/unplugging to avoid damaging the backplane

Unstable output voltage, frequent PLC system restart

1. Excessive input power voltage fluctuation (exceeding ±10% range); 2. Excessive output load or intermittent short circuit; 3. Aging of the module's output filter capacitor; 4. Fault in the module's internal voltage regulation circuit; 5. Fault in the current-sharing circuit of redundant modules (in redundant configuration)

1. Measure the input power voltage; if the fluctuation is excessive, install a voltage stabilizer; 2. Inspect the backend load, remove overloaded modules or troubleshoot short-circuit points; 3. Contact Schneider after-sales service to inspect the filter capacitor, and replace it if it is aged; 4. Test the module output with a standard load; if it is still unstable, the module is faulty; 5. Inspect the current-sharing wires between redundant modules, and reconfigure redundancy parameters

The power of the installed voltage stabilizer must be greater than 1.2 times the module

Company Profile

Guizhou Yuanmiao Automation Equipment Co., Ltd.

Main products: Covering globally renowned brands: Bently Nevada, Triconex, Woodward, Foxboro, Westinghouse, Reliance, Schneider Modicon, ABB, AB (Allen-Bradley), Motorola, GE Fanuc, Yaskawa, Bosch Rexroth Rexroth, ACSO, YOKOGAWA, Rexroth, NI, ICS Triplex, Kollmorgen, Mitsubishi, MOOG, Emerson, B&R B&r, SST, ALSTOM, KUKA EPRO, LAM HIMA dark Horse, HONEYWELL, prosoft, AMAT, SIEMENS, etc. The product categories include: DCS system accessories, robot system spare parts, large servo system spare parts, etc., which are widely used in power, chemical, metallurgy, intelligent manufacturing and other fields.

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