Schneider Electric Modicon Quantum 140CPS21400 Modules

Name: Schneider Electric Modicon Quantum 140CPS21400 Modules
Brand: Schneider Electric

Model: 140CPS21400

Brand Schneider Electric

Series Modicon Quantum

Model 140CPS21400

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Technical Dossier

Product Details And Specifications

Schneider Electric Modicon Quantum Series Technical Notes

Q: How are RFQ terms confirmed?
A: Quantity, required condition, documentation needs, destination and sourcing route are confirmed during RFQ review before quotation.

The Evolution of Modicon Quantum Architecture

The Quantum platform underwent three distinct architectural generations. The first generation (1993–2000) introduced the 140-series backplane with a proprietary Modbus Plus (MB+) network topology, supporting up to 16 slots per local rack and remote I/O expansion via the S908 RIO bus. CPU modules in this era (e.g., 140CPU11302, 140CPU21304) operated at clock speeds under 100 MHz with limited onboard memory, requiring external PCMCIA memory cards for program storage.

The second generation (2000–2010) introduced Ethernet TCP/IP connectivity natively via the NOE (Network Option Ethernet) module family, enabling integration with SCADA systems and historian databases. Hot-standby redundancy became standardized with the 140CPU67160 and 140CPU67261 CPU pairs, supported by the 140CHS11000 hot-standby cable. Power supply modules were revised to support wider input voltage tolerances and improved hold-up times.

Modicon Quantum Full Catalog & Functionalities — 140CPS21400 Series & Related SKUs

Power Supply Modules (CPS)

140CPS21400: DC input power supply, 24VDC input, 8A output — primary rack power for standard Quantum configurations.
140CPS11420: AC input power supply, 115/230VAC, 3A — standard AC rack power module for local racks.
140CPS11410: AC input power supply, 115/230VAC, 2A — lower-capacity AC supply for reduced-load racks.
140CPS52400: DC input redundant power supply, 24VDC — supports dual-supply redundancy configurations.
140CPS51100: AC input redundant power supply, 115/230VAC — hot-swap capable redundant AC supply.

CPU / Controller Modules

140CPU11302: Entry-level CPU, 512KB user memory, Modbus Plus port — first-generation controller.
140CPU21304: Mid-range CPU, 1MB user memory, dual MB+ ports.
140CPU43412A: Enhanced CPU with Ethernet port, 2MB memory, Unity Pro compatible.
140CPU65150: High-performance CPU, 7MB memory, integrated Ethernet, Modbus Plus.
140CPU67160: Hot-standby primary CPU, 7MB memory — redundancy pair with 140CPU67261.
140CPU67261: Hot-standby secondary CPU, 7MB memory — redundancy pair with 140CPU67160.

Digital Input Modules (DDI / DAI)

140DDI15310: 32-channel 24VDC discrete input module — standard field I/O.
140DDI84100: 16-channel 125VDC discrete input module — high-voltage field applications.
140DAI54000: 32-channel 24VAC/VDC discrete input module.

Digital Output Modules (DDO / DAO)

140DDO15310: 32-channel 24VDC discrete output, 0.5A per channel.
140DDO88500: 16-channel relay output module, 2A per channel — for high-current actuator control.

Analog Input / Output Modules (ACI / ACO / AVI / AVO)

140ACI04000: 8-channel analog current input, 4–20mA, 12-bit resolution.
140AVI03000: 8-channel analog voltage input, ±10V, 12-bit resolution.
140ACO02000: 4-channel analog current output, 4–20mA.

Communication & Network Modules (NOE / NOM / CRP)

140NOE77100: Ethernet TCP/IP network option module — primary SCADA/historian interface.
140NOE77101: Enhanced Ethernet module with web server and FTP capabilities.
140NOM21100: Modbus Plus network option module — legacy MB+ network integration.
140CRP93200: RIO (Remote I/O) head adapter — S908 bus master for remote rack expansion.

Sourcing Hard-to-Find & Obsolete Modicon Quantum Parts

Q: How is condition confirmed before quotation?
A: Available condition, photos, test records and documentation are checked according to the requested model and sourcing channel before a formal RFQ response.

Quality Control for the Modicon Quantum Range

Quantum modules present specific test challenges due to their proprietary S908 backplane bus protocol and Modbus Plus physical layer. DriveKNMS employs a dedicated Quantum test bench comprising a fully operational 140-series rack assembly with live CPU, power supply, and I/O modules. Each incoming unit undergoes: (1) visual inspection for capacitor bulge, PCB corrosion, and connector pin integrity; (2) powered functional test under rated load conditions with backplane bus traffic simulation; (3) for CPS power supply modules specifically — output voltage regulation test across 0–100% load range, hold-up time measurement, and inrush current verification; (4) firmware version identification and documentation; (5) final burn-in cycle of minimum 4 hours at operating temperature. Test results are recorded per serial number and provided with each shipped unit.

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