Description

Schneider Electric 140CPS11420 Power Supply Module

Configured for DC backplane power conversion in Modicon Quantum automation platform, the Schneider Electric 140CPS11420 (140CPS11420 Power Supply Module) provides direct physical/electrical execution within Modicon Quantum automation platform, delivering regulated 5.1 VDC distribution to rack-level backplane loads with selectable summable or standalone operation.

Suffix Breakdown & Model Matrix

140CPS11420 is a fixed-order identifier within the Modicon Quantum power supply family.
No manufacturer-provided suffix segmentation or functional sub-code decomposition is defined for this model.

Hardware Specifications

Parameter	Specification
ModelBrand	Schneider Electric 140CPS11420
Origin	France
Weight	0.65 kg
Dimensions	Not specified
OperatingTemp	0 to 60 degC
PowerConsumption	130 VA input rating; dissipation = 6 + (1.5 x Iout) W
Input Voltage	115 VAC (93 to 132 VAC), 230 VAC (170 to 276 VAC), 47 to 63 Hz
Input Current	1300 mA at 115 VAC; 750 mA at 230 VAC
Inrush Current	38 A at 115 VAC; 19 A at 230 VAC
Output Voltage	5.1 VDC
Output Current	11 A standalone at 60 degC; 20 A summable at 60 degC
Protection	Internal overvoltage and overload protection
Alarm Output	1 NC contact, 6 A at 220 VAC
Fuse Rating	2 A slow-blow
Compliance	UL 508, CSA C22.2 No 142, CE

PLC Backplane Power Distribution Characteristics

Within Schneider Electric Modicon Quantum architecture, the 140CPS11420 power supply module interfaces directly with the rack backplane distribution bus, where deterministic power delivery is coupled with module-level load segmentation. Backplane communication timing is not data-protocol driven but electrically synchronized through regulated DC rail stability.

The module supports rack summation mode, enabling parallel current contribution across compatible supplies, while maintaining voltage regulation stability under variable Iout conditions. Internal regulation topology maintains output integrity under transient load steps associated with module insertion and removal cycles.

Firmware-level interaction is limited to hardware supervisory signaling; no field network protocol stack is embedded. Electrical compatibility with Quantum backplane ensures deterministic voltage rail maintenance under multi-slot expansion configurations.

Frequently Asked Questions

Q: Can the 140CPS11420 be hot-swapped during operation?
A: The module supports rack-level replacement only under system-defined power isolation conditions. Backplane voltage presence must be removed to avoid transient bus disturbance.

Q: What happens in summable operation mode?
A: In summable mode, multiple power supplies share load current on the same 5.1 VDC rail while maintaining internal current balancing constraints defined by rack architecture.

Q: Does the module interact with fieldbus protocols such as Profinet?
A: No. The module operates strictly at backplane power level and does not execute Profinet, EtherNet/IP, or application-layer communication.

Field Installation Guidelines

Install the module only in Modicon Quantum-compatible racks with verified backplane alignment. Ensure AC input is fully isolated before insertion or removal. Maintain correct grounding of rack chassis to minimize noise coupling into the DC rail.

Avoid partial insertion under energized conditions. Verify fuse integrity (2 A slow-blow type) before commissioning. Maintain ventilation clearance to support thermal dissipation under maximum Iout load conditions.

Backplane connectors must be free of oxidation or mechanical deformation prior to installation to prevent contact resistance increase.

Specifications

• Brand: Schneider Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems