Schneider Electric 140CPS11400 Power Supply Module
Configured for regulated backplane power delivery in Modicon Quantum racks, the Schneider Electric 140CPS11400 (140CPS11400 power supply module) provides direct physical/electrical execution. It supplies stable DC power to CPU, communication adapters, and I/O modules within Quantum automation architectures.
Hardware Specifications
Parameter
Specification
Model
140CPS11400
Brand
Schneider Electric
Series
Modicon Quantum
Product Type
Power Supply Module
Input Voltage
120/230 V ac (auto‑select)
Output
Regulated DC backplane power
Mounting
Quantum rack‑mounted
Connectors
Standard Quantum backplane connectors
Core Performance
Stable DC supply for CPU, comms, and I/O modules
Backplane Power Behavior and Module Compatibility
Quantum power modules maintain deterministic backplane voltage regulation to ensure stable operation of CPUs, communication modules, and high‑density I/O. The 140CPS11400 supports full‑rack loading and provides overload protection to prevent voltage sag under transient demand. It is compatible with all Quantum CPUs and supports mixed‑module configurations without derating.
Frequently Asked Questions
Q: Can the 140CPS11400 be removed while the rack is energized? A: No. The rack must be de‑energized to avoid backplane brownout and CPU shutdown.
Q: Does the module support redundant power configurations? A: Quantum racks support limited redundancy depending on CPU and rack type; the 140CPS11400 is used as a primary supply.
Q: Is this module compatible with all Quantum racks? A: Yes. It is designed for standard Quantum bases and supports full‑length racks.
Field Installation Guidelines
De‑energize the Quantum rack before installing or removing the module.
Seat the module firmly to ensure proper backplane contact.
Verify input voltage selection (120/230 V ac) before energizing.
Maintain proper grounding to reduce electrical noise on the backplane.
Inspect wiring for correct polarity and stable AC feed.
Validate CPU and I/O startup behavior after installation.
