Schneider Electric Modicon Quantum 140CRP31200 Ethernet RIO Head

Technical Dossier

Product Details And Specifications

Schneider Electric Modicon Quantum Series Technical Notes

The Schneider Electric Modicon Quantum platform (140-series) is one of the most widely deployed programmable automation controller (PAC) architectures in global heavy industry. Installed across petrochemical complexes, nuclear power stations, offshore oil & gas platforms, and large-scale water treatment facilities, the Quantum backplane architecture has served as the backbone of process-critical control loops since its commercial introduction in the early 1990s. Its modular, rack-based design — supporting hot-standby redundancy, distributed I/O via RIO drops, and deterministic Modbus Plus / Ethernet communication — made it the reference platform for SIL-rated safety applications and high-availability DCS integrations throughout the 1990s–2010s. The 140CRP31200 is a copper Ethernet Remote I/O (RIO) head adapter module that connects a Quantum RIO drop to the plant Ethernet network, replacing the legacy coaxial RIO cable infrastructure with standard 10/100 Mbps Ethernet. It is a direct field-replacement component in any Quantum distributed architecture running EtherNet/IP or Modbus TCP RIO topology.

The Evolution of Modicon Quantum Architecture

The Quantum platform was introduced by Modicon (acquired by Schneider Electric in 1994) as the successor to the 984 series. Its architecture has passed through three distinct generations. The first generation (early 1990s) relied exclusively on coaxial Remote I/O (RIO) cabling using the S908 protocol, with head adapters such as the 140CRA93100 providing the drop interface. Communication was deterministic but physically fragile — coaxial cable runs in industrial environments were a persistent maintenance liability.

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

Modicon Quantum Full Catalog & Functionalities (SKU List)

Remote I/O & Communication Head Adapters

• 140CRP31200: Ethernet RIO head adapter, copper, 10/100 Mbps, for Quantum RIO drops
• 140CRA93100: S908 coaxial RIO head adapter, legacy distributed I/O drop interface
• 140CRA93200: S908 coaxial RIO head adapter, extended addressing, dual-ring support

CPU / Controller Modules

• 140CPU65150: Quantum CPU, 1 MB user memory, Ethernet + MB+ ports, Unity Pro compatible
• 140CPU65160: Quantum CPU, 4 MB user memory, dual Ethernet, hot-standby capable
• 140CPU67160: Quantum CPU, 7 MB user memory, enhanced instruction set, SIL-2 capable
• 140CPU31110: Quantum CPU, entry-level, Modbus + MB+ ports, 512 KB memory

Ethernet Communication Modules

• 140NOE77100: Ethernet TCP/IP network option module, 10/100 Mbps, Modbus TCP server
• 140NOE77101: Ethernet TCP/IP module, enhanced web server, I/O scanning, SNMP
• 140NOM21100: Modbus Plus network option module, peer-to-peer token ring

Discrete Input Modules (DI)

• 140DAI54000: 32-channel 24 VDC discrete input module, sink/source compatible
• 140DAI74000: 16-channel 115 VAC discrete input module, isolated
• 140DDI35300: 32-channel 24 VDC discrete input, high-density, IEC 61131-2 Type 1

Discrete Output Modules (DO)

• 140DAO84000: 16-channel 115/230 VAC discrete output, relay, 2 A per channel
• 140DDO35300: 32-channel 24 VDC discrete output, transistor, 0.5 A per channel

Analog Input / Output Modules (AI/AO)

• 140ACI04000: 8-channel analog current input, 4–20 mA, 12-bit resolution
• 140AVI03000: 8-channel analog voltage input, ±10 V / 0–10 V, 12-bit
• 140ACO02000: 4-channel analog current output, 4–20 mA, 12-bit resolution

Power Supply Modules

• 140CPS11420: 115/230 VAC input power supply, 3.4 A @ 5 VDC, standard rack
• 140CPS21400: 24 VDC input power supply, 4 A @ 5 VDC, for DC-powered panels
• 140CPS52400: Redundant power supply module, hot-swap, 5 A @ 5 VDC