140CPS11420 Detailed Product Description
 1. Basic Product Information • Brand Manufacturer: Schneider Electric • Product Series: Modicon Quantum • Model: 140CPS11420 • Product Category: PLC System Power Module • Description: Provides 5.1V DC backplane power supply for Quantum rack, supports independent/parallel redundancy mode, wide AC input, with fault alarm output, is the core power supply unit of the system • Adaptation System: Quantum full series CPU, local/remote RIO rack, supports multi power parallel redundancy

2、 Appearance and structural parameters • Shell color: industrial gray • Installation method: standard Quantum backplane slot installation, tool free plug-in locking • Protection level: IP20 • Size (width x height x depth): 167mm x 50mm x 33mm (standard Quantum module size) • Weight: about 0.65kg • Status indicator light: 1 green LED (PWR OK), lit to indicate normal power supply • Alarm terminal: 1 normally closed (NC) relay contact, disconnected in case of fault • Input terminal: detachable European style terminal, supporting 115V/230V AC wiring

3、 Core electrical specifications 1 Input characteristics • Input voltage: 115V AC (93~132V) or 230V AC (170~276V), adaptive • Frequency: 47~63Hz • Input current: 1300mA (115V AC); 750mA (230V AC) • Surge current: 38A (115V AC); 19A (230V AC) • Built in fuse: 2A slow melting type 2 Output characteristics • Output voltage: 5.1V DC (stability accuracy ± 1%) • Output current (60 ° C environment): ◦ Independent mode: 11A ◦ Parallel redundancy mode: 20A (multi module current sharing) • Rated power: 130VA • Power loss: 6+(1.5 × Iout) (Iout is the output current, unit A) • Efficiency: ≥ 85% 3 Protection and alarm • Built in protection: overvoltage, overload, short circuit, over temperature protection • Alarm output: 1 normally closed (NC) relay contact, capacity 6A/220V AC, triggered in case of fault • Harmonic distortion: ≤ 10% of the effective value of the fundamental wave

4、 Environmental and mechanical parameters • Operating temperature: 0 ° C~+60 ° C • Storage temperature: -40 ° C~+85 ° C • Relative humidity: 5%~95% (non condensing) • Operating altitude: ≤ 5000m • Vibration resistance: 10~57Hz, amplitude 1.5mm • Impact resistance: 15g/11ms pulse impact • Certification standards: CE, UL 508, CSA C22.2, cUL certification

5、 Core product function 1 Dual voltage input adaptive support 115V/230V AC wide input, globally applicable, suitable for industrial power grids in different countries. two Independent/parallel redundant power supply • Independent mode: Single module maximum 11A, suitable for small and medium-sized rack power supply • Parallel mode: Multiple modules parallel current sharing, maximum 20A, achieving N+1 redundancy, improving system reliability 3 High stability backplane power supply accurately outputs 5.1V DC, providing stable power for CPU, I/O, and communication modules to ensure stable system operation. four Improve multi-level electrical protection for protection and fault diagnosis, automatically cut off output and trigger alarm contacts when faults occur, and display real-time power status on LED indicator lights for quick troubleshooting. five Hot swappable supports Quantum platform standard hot swappable features, and modules can be replaced separately without stopping the machine, without affecting system operation.  

6、 Typical application scenarios • High reliability PLC system power supply for chemical, water treatment, power plant, and oil and gas industries • Redundant power supply for key control racks in factory automation assembly lines • Power supply guarantee for large-scale control systems in building electromechanical and HVAC systems • Industrial control scenarios requiring wide input, redundant design, and high stability

7、 Installation and usage precautions 1 Module installation and disassembly must be carried out under the specifications of system power-off or allowing hot plugging; two When using parallel redundancy, it is necessary to use modules of the same model to ensure current balance and avoid uneven loads; three The input wiring must strictly distinguish between 115V/230V AC, and confirm the input voltage level before wiring; four No special software requirements for configuration, automatic recognition of power supply after hardware installation is completed; five It is recommended to separate strong and weak electricity for wiring, avoid laying them in the same conduit as frequency converters and power cables, and reduce interference.

8、 Product feature summary: 140CPS11420 is a Quantum series high-performance power module with wide AC input, support for independent/parallel redundancy, high stability output, and complete protection mechanism. It provides reliable core power supply for PLC systems and is widely used in industrial field high reliability control scenarios.