140CPU31110C

The Schneider Electric 140CPU31110C is a high-performance CPU processor module for the Modicon Quantum PLC platform. Engineered for demanding industrial applications, it combines a 66 MHz processor with 548 KB of RAM, delivering reliable logic execution, flexible I/O handling, and seamless communication in distributed automation systems. Its industrial-grade design ensures durability in harsh conditions while simplifying integration and maintenance.

Technical Specifications

Parameter	Specification
Product Type	PLC CPU Processor Module
Platform	Modicon Quantum
Processor Speed	66 MHz
Internal RAM	548 KB
Local I/O Capacity	Up to 2 local racks
Distributed I/O Support	Up to 63 stations per Modbus Plus network
Remote I/O Support	Up to 31 remote drops
Communication Interfaces	Modbus Plus, Serial RS‑232, USB for programming
Conformal Coating	Yes
Operating Temperature	0 °C to 60 °C
Storage Temperature	-40 °C to 85 °C
Bus Current Requirement	Approx. 1.8 A
Dimensions (H×W×D)	160 × 110 × 250 mm
Weight	Approx. 0.55 kg

This CPU supports distributed and remote I/O architectures while maintaining reliable and deterministic control performance.

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Application Scenarios

The 140CPU31110C excels in:

Large manufacturing and assembly lines
Material handling and conveyor systems
Process control in energy, chemical, and utilities
Distributed I/O systems requiring reliable communication
Water/wastewater treatment and environmental automation

Key Advantages

High Performance: 66 MHz CPU with 548 KB RAM for complex logic and faster execution.
Versatile I/O: Supports local racks, distributed networks, and multiple remote stations.
Robust Connectivity: Integrated Modbus Plus, RS‑232, and USB ports.
Industrial-Grade Design: Conformal coating ensures reliability in harsh environments.
Ease of Integration: Compatible with Unity Pro programming and standard Quantum backplanes.

Technical FAQs

What processor does it use?
66 MHz high-performance CPU.
How much memory is available?
548 KB internal RAM.
Which communication protocols are supported?
Modbus Plus, RS‑232, USB for programming and diagnostics.
How many local racks can it handle?
Up to 2 local racks.
What distributed I/O does it support?
Up to 63 stations per Modbus Plus network and 31 remote drops.
What are the module dimensions?
160 mm (H) × 110 mm (W) × 250 mm (D).
What is the module weight?
Approx. 0.55 kg.
What is the operating temperature range?
0 °C to 60 °C; storage: -40 °C to 85 °C.
Is it suitable for harsh environments?
Yes, with conformal coating for dust and moisture protection.
Which software can program it?
Unity Pro and standard Modicon Quantum programming tools.