140CPU43412U
Schneider Electric
Overview
The 140CPU43412U is an Unity processor in the Modicon Quantum automation platform range from Schneider Electric. It is engineered for industrial automation duties within the Modicon Quantum ecosystem.
Application & Technical Notes
As an unity processor, the 140CPU43412U is intended for deployment in panel-based control cabinets and machine enclosures where Modicon Quantum equipment is installed. It hosts the application program, executes the control cycle and orchestrates I/O scanning, communication and diagnostics for the station.
Specific electrical and mechanical ratings depend on the exact configuration and suffix of the part; the original datasheet should be consulted for the definitive specification.
Maintenance & Diagnostics
Back up the application program and parameter set before any firmware or hardware change; verify the memory/real-time-clock battery where fitted and replace on schedule. Monitor the module health LED and controller diagnostics; plan spares for critical stations to minimise downtime. Always de-energise the circuit and follow lock-out/tag-out before handling; refer to the official instruction bulletin for service procedures.
Sourcing & Procurement
When sourcing the 140CPU43412U, distinguish three supply tiers: (1) genuine Schneider Electric stock from an authorised distributor; (2) compatible equivalents or surplus/NOS (new-old-stock) from third parties; (3) alternative parts offering equivalent function. Genuine supply carries the full warranty and traceability; compatible or alternative items may be cheaper but should be validated for form, fit, firmware and certification before use in a live system. PLCXpert publishes this page as an independent reference and does not sell the part — verify every claim with the manufacturer or your distributor.
Confirm the CPU matches your Modicon Quantum architecture, memory size, firmware revision and any required option/communication modules. Lead times and pricing vary by region and lifecycle status; obtain a current quote from an authorised channel rather than relying on stale listings.
Frequently Asked Questions
What is the 140CPU43412U?
The 140CPU43412U is an unity processor in the Modicon Quantum automation platform range from Schneider Electric. It is described by the manufacturer as: Unity processor.
What are the key technical ratings of the 140CPU43412U?
The definitive ratings depend on the exact configuration; consult the original datasheet or the source PDF linked on this page for the complete table.
How is the 140CPU43412U mounted or installed?
Installation follows the standard Modicon Quantum mounting practice for this device class; refer to the installation manual for exact dimensions and torque.
Is the 140CPU43412U compatible with my controller?
It is part of the Modicon Quantum family. Confirm the specific rack, firmware revision, slot rules and configuration with the controller documentation before purchase, as compatibility depends on the exact system build.
What should I check before buying the 140CPU43412U?
Verify the genuine part number and suffix, confirm it matches your platform and ratings, check the current lifecycle/availability status, and buy from an authorised distributor. PLCXpert provides this reference only and does not sell the component.
Specifications
Unity processor Modicon Quantum - 1056 kB - 66 MHz
Main
| Range of Product | Modicon Quantum automation platform Product or Component Type Unity processor |
|---|
Complementary
| Clock frequency | 66 MHz |
|---|---|
| Number of slots | 2 4 10 16 6 |
| 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 0 - 0 ethernet remote I/O |
| Discrete I/O number | 31744 inputs, 31744 outputs - remote 8000 inputs, 8000 outputs - distributed - per network Modbus Plus |
| Unlimited (26 slots max) - local | N/A |
| Analogue I/O number | 500 inputs, 500 outputs - distributed - per network Modbus Plus 1984 inputs,1984 outputs - S908 remote I/O |
| Unlimited (26 slots max) - local | N/A |
| Application specific I/O | Serial link Counter High-speed interrupt inputs Accurate time stamping Number of optional modules 6 Ethernet, Modbus, Modbus Plus, Profibus DP, Sy/Max) |
| Maximum number of connections | 2 AS-Interface - distributed 2 Modbus RS232/485 Modbus/ASCII) 4 AS-Interface - remote 6 Ethernet TCP/IP - local 6 Modbus Plus - local 6 Profibus DP - local |
| Integrated connection type | 1 Modbus Plus 2 Modbus |
| Checks | Process control |
| Memory description | Internal RAM 1056 kB |
| Switch Function | Key switch memory start/stop memory protection Slide 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 µs floating points 0.1...0.27 µs on fixed-point arithmetic 0.12...0.585 µs Boolean 0.12...0.585 µs on word |
| Number of instructions per ms | 1.86 Kinst/ms 100 % Boolean 2.49 Kinst/ms 65 % Boolean and 35 % numerical |
| System overhead | 0.2 ms fast task 1 ms master task |
| Bus current requirement | 1800 mA |
| Local signalling | 1 LED (green) 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 (orange) for write-protected memory (memory port) 1 LED (red) for battery needs replacing or is not present (BAT LOW) 1 LED (red) for communications error on the Modbus Plus port (ERROR A) |
| Electrical connection | 1 female connector SUB-D 9 for connecting to the Modbus Plus network 2 female connectors SUB-D 9 for connecting to the Modbus bus |
Environment
| Product Certifications | CSA CE UL |
|---|---|
| Standards | HazLoc |
Ordering and shipping details
| Category | 18150-QUANTUM CONTROLLERS,HSBY,COMM. |
|---|---|
| Discount Schedule | PC21 GTIN 3595863830408 |
| Returnability | No |
| Country of origin | FR |
Packing Units
| Unit Type of Package 1 | PCE |
|---|---|
| Nbr. of units in pkg. | 1 |
| Package 1 Height | 1.77 in (4.5 cm) |
| Package 1 Width | 6.10 in (15.5 cm) |
| Package 1 Length | 12.20 in (31.0 cm) |
| Package weight(Lbs) | 21.4 oz (607.0 g) |
Reproduced from the manufacturer's published data. Values marked "Not available" are absent from the source document.