Schneider Electric 140CPU43412 Quantum CPU

Schneider Electric 140CPU43412 CPU Module

The Schneider Electric 140CPU43412 is a high-capacity processor for the Modicon Quantum automation platform. It delivers fast processing with a 66 MHz clock speed for demanding control applications. This module supports extensive local and remote I/O configurations for large-scale systems.

Technical Specifications

• Brand: Schneider Electric
• Model: 140CPU43412
• Product Line: Modicon Quantum / Unity Processor
• Type: CPU Module
• Clock Frequency: 66 MHz
• RAM: 1056 KB
• Power Requirement: 1800 mA @ 5 V
• Supported Racks: 2 Local Racks

Processing Performance

• Boolean Execution Time: 0.12 to 0.59 µs
• Instructions per Millisecond: Up to 2.49 Kinst/ms
• Task Management: 1 Master Task, 1 Fast Task, Multiple Interrupt Tasks
• High-Speed Features: Supports I/O interrupts and counters
• Efficient processing for complex logic and arithmetic operations

I/O Capacity & Scalability

• Remote I/O Capacity: 31,744 Inputs / 31,744 Outputs
• Distributed I/O Capacity: 8,000 Inputs / 8,000 Outputs per Network
• Remote I/O Stations: Up to 31 Stations (S908)
• Optional Module Slots: Supports up to 6 additional communication modules
• Extensive I/O support for large and distributed automation projects

Communication & Connectivity

• Integrated Ports: 1 Modbus Plus, 2 Modbus (SUB-D 9 connectors)
• Maximum Ethernet Connections: 6 (via optional module)
• Slide switch configures Modbus port for ASCII, RTU, or Memory mode
• Key switch provides memory start/stop and write protection control
• Versatile connectivity for network integration and device management

Status Indication & Diagnostics

• Status LEDs: 7 LEDs for comprehensive system monitoring
• LEDs indicate RUN, READY, COMM activity, Battery Low, and Error status
• Visual diagnostics enable quick troubleshooting and maintenance

Environmental & Compliance

• Protective Treatment: Conformal Coating (Humiseal 1A33)
• Certifications: CSA, CE, UL, Marine, GOST
• Hazardous Location: Standards compliant for industrial safety
• Coating provides protection against humidity and contaminants

Installation Guide

• Install the CPU in the designated slot of a Modicon Quantum rack.
• Connect power ensuring the backplane provides 5V at 1800 mA.
• Configure the Modbus port mode (ASCII/RTU) using the slide switch.
• Use the key switch to set memory protection and operating mode.
• Connect network cables to the Modbus Plus and Modbus ports as needed.

Packaging & Shipping

• Package Includes: One 140CPU43412 CPU module.
• EAN: 3595863839838
• All mounting hardware and documentation are included.
• International shipping via FedEx, UPS, and DHL is available.

Frequently Asked Questions

• What is the clock speed of this CPU? The 140CPU43412 operates at a clock frequency of 66 MHz.
• How much remote I/O can it handle? It supports up to 31,744 discrete inputs and outputs on remote I/O networks.
• What communication ports are built-in? It has one Modbus Plus port and two standard Modbus serial ports.
• What is the Boolean execution speed? It executes Boolean instructions in a range from 0.12 to 0.59 microseconds.
• How many optional modules can be added? It supports up to 6 optional communication or specialty modules.