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SCHNEIDER 140CPU11303 Product Overview

Oct 23, 2025 SCHNEIDER

SCHNEIDER 140CPU11303 is a high-performance control unit produced by Schneider Electric,designed for modern automation systems.The following is a detailed introduction to the product.

SCHNEIDER 140CPU11303

Basic properties

Brand:SCHNEIDER

Model:140CPU11303

Type:Independent processor

Color:White

Operating system:PLC system

Specifications:500×165×310mm(may vary depending on the specific product)

Weight:0.3kg

Technical specifications and performance

Maximum IEC program:368k

SRAM size:512k

Ladder logic:16k

Available registers:10k

Bus current:790mA

Processor frequency:20MHz

Precise time of 1K instruction:0.3~1.4ms

Memory/frequency:368kB/20MHz

Battery type:Lithium battery(specific parameters are 7µA 210µA,model may be LL984)

SCHNEIDER 140CPU11303

Indicator and status display

Ready:Green,indicating that the CPU has passed the power-on diagnosis.

Run:Green,indicating that the CPU has started and is solving the logic.

Modbus:Green,indicating that communication is active on the Modbus port.

Modbus+:Green,indicating that communication is active on the Modbus Plus port.

Memory print:Amber,indicating that the memory is write-protected(memory protection switch is on).

Bat low:Red,indicating that the battery needs to be replaced.

Error A:Red,indicating a communication error on the Modbus Plus network.

IV.Interface and communication

Modbus Plus port:1

Modbus RS232 port:1

Communication module processor:Supports NOM,NOE,CR,NMS and other functions

Other features

System environment:Normal temperature

System capability:Automatic

Electromagnetic field resistance:10 V/m(frequency range 80~2000 MHz)in accordance with IEC 801-3 standard

Standard:Complies with UL 508 specification and CSA C22.2 No.142 standard

Compatibility:Equipped with simple I/O configuration software to ensure compatibility with existing systems and provide the lowest migration cost.

Application and Scenarios

Schneider 140CPU11303 supports a variety of control applications with the highest performance levels,ensuring that users can get the best control experience.It is suitable for automation control systems that require high performance,high reliability and high compatibility.

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