140CPU43412UC

Product ID:31700
Updated: 2026/4/4
schneider 140CPU43412UC

Key Features

  • 1Handle critical tasks efficiently with high-speed interrupt inputs. 2、Ensure precise control with accurate time stamping capabilities. 3、Seamlessly integrate with Modbus Plus networks for distributed I/O. 4、Support extensive I/O operations with up to 8000 inputs and outputs. 5、Enjoy peace of mind with a comprehensive 2-year warranty.
Product Details
140CPU43412UC
schneider

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Range of Product
Modicon Quantum automation platform
Product or Component Type
Unity processor
Clock frequency
66 MHz
Number of slots
16<br />6<br />4<br />10<br />2
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/O<br />0 - 0 ethernet remote I/O
Discrete I/O number
31744 inputs, 31744 outputs - remote<br />8000 inputs, 8000 outputs - distributed - per network Modbus Plus<br />Unlimited (26 slots max) - local
Analogue I/O number
500 inputs, 500 outputs - distributed - per network Modbus Plus<br />1984 inputs,1984 outputs - S908 remote I/O<br />Unlimited (26 slots max) - local
Application specific I/O
High-speed interrupt inputs<br />Counter<br />Accurate time stamping<br />Serial link
Number of optional modules
6 Ethernet, Modbus, Modbus Plus, Profibus DP, Sy/Max)
Maximum number of connections
2 AS-Interface - distributed<br />2 Modbus RS232/485 Modbus/ASCII)<br />4 AS-Interface - remote<br />6 Ethernet TCP/IP - local<br />6 Modbus Plus - local<br />6 Profibus DP - local
Integrated connection type
1 Modbus Plus<br />2 Modbus
Checks
Process control
Memory description
Internal RAM 1056 kB
Switch Function
Slide switch communication port : ASCII/RTU/Memory<br />Key switch memory start/stop memory protection
Application structure
1 cyclic/periodic master task - <br />1 periodic fast task - <br />16 timer interrupt tasks - <br />64 I/O interrupt tasks - <br />64 interrupt tasks - <br />No auxiliary task -
Execution time per instruction
0.1...0.27 µs floating points<br />0.1...0.27 µs on fixed-point arithmetic<br />0.12...0.585 µs Boolean<br />0.12...0.585 µs on word
Number of instructions per ms
1.86 Kinst/ms 100 % Boolean<br />2.49 Kinst/ms 65 % Boolean and 35 % numerical
System overhead
0.2 ms fast task<br />1 ms master task
Bus current requirement
1800 mA
Local signalling
for communications are active on the Modbus Plus port (Modbus Plus) 1 LED (green)<br /> for communications are active on the Modbus port (Modbus) 1 LED (green)<br /> for CPU has been started and is solving logic (RUN) 1 LED (green)<br /> for CPU has passed the power-up diagnostic tests (READY) 1 LED (green)<br /> for write-protected memory (memory port) 1 LED (orange)<br /> for battery needs replacing or is not present (BAT LOW) 1 LED (red)<br /> 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 network<br />2 female connectors SUB-D 9 for connecting to the Modbus bus
Protective treatment
Conformal coating Humiseal 1A33
Product Certifications
CSA<br />CE<br />UL<br />Misc (Marine)<br />GOST
Standards
HazLoc

Specifications may be subject to change without notice