140CPU43412U

Name: 140CPU43412U
Brand: Schneider
SKU: 140CPU43412U

Schneider Electric's 140CPU43412U Unity CPU is designed for industrial control applications, featuring 1056 KB of internal RAM and a clock frequency of 66 MHz.

Product Model140CPU43412U

Product ID32162

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureRobust design for reliable performance in industrial environments.
2
Feature1056 KB of internal RAM for efficient processing and memory management.
3
Feature66 MHz clock frequency for fast and precise control operations.
4
FeatureSupports up to 10 slots and 2 racks, with flexible I/O configurations.
5
FeatureComes with 6 optional modules for seamless integration with various industrial networks.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Range of Product

Modicon Quantum automation platform

Product or Component Type

Unity processor

Clock frequency

66 MHz

Number of slots

2410166

Number of racks

2 - local

Number of distributed I/O station

63 1 3 Modbus Plus

Number of remote I/O station

31 - 2 S908 remote I/O0 - 0 ethernet remote I/O

Discrete I/O number

31744 inputs, 31744 outputs - remote8000 inputs, 8000 outputs - distributed - per network Modbus PlusUnlimited (26 slots max) - local

Analogue I/O number

500 inputs, 500 outputs - distributed - per network Modbus Plus1984 inputs,1984 outputs - S908 remote I/OUnlimited (26 slots max) - local

Application specific I/O

Serial linkCounterHigh-speed interrupt inputsAccurate time stamping

Number of optional modules

6 Ethernet, Modbus, Modbus Plus, Profibus DP, Sy/Max)

Maximum number of connections

2 AS-Interface - distributed2 Modbus RS232/485 Modbus/ASCII)4 AS-Interface - remote6 Ethernet TCP/IP - local6 Modbus Plus - local6 Profibus DP - local

Integrated connection type

1 Modbus Plus2 Modbus

Checks

Process control

Memory description

Internal RAM 1056 kB

Switch Function

Key switch memory start/stop memory protectionSlide switch communication port : ASCII/RTU/Memory

Application structure

1 cyclic/periodic master task - 1 periodic fast task - 16 timer interrupt tasks - 64 I/O interrupt tasks - 64 interrupt tasks - No auxiliary task -

Execution time per instruction

0.1...0.27 Âµs floating points0.1...0.27 Âµs on fixed-point arithmetic0.12...0.585 Âµs Boolean0.12...0.585 Âµs on word

Number of instructions per ms

1.86 Kinst/ms 100 % Boolean2.49 Kinst/ms 65 % Boolean and 35 % numerical

System overhead

0.2 ms fast task1 ms master task

Bus current requirement

1800 mA

Local signalling

for communications are active on the Modbus Plus port (Modbus Plus) 1 LED (green) for communications are active on the Modbus port (Modbus) 1 LED (green) for CPU has been started and is solving logic (RUN) 1 LED (green) for CPU has passed the power-up diagnostic tests (READY) 1 LED (green) for write-protected memory (memory port) 1 LED (orange) for battery needs replacing or is not present (BAT LOW) 1 LED (red) for communications error on the Modbus Plus port (ERROR A) 1 LED (red)

Electrical connection

1 female connector SUB-D 9 for connecting to the Modbus Plus network2 female connectors SUB-D 9 for connecting to the Modbus bus

Product Certifications

CSACEUL