140CPU31110
Schneider Electric
Overview
The 140CPU31110 is a programmable logic controller in the Modicon Quantum range from Schneider Electric. It executes control logic for Modicon Quantum architectures and operates from a 5 V DC (backplane) supply.
Application & Technical Notes
As a modicon quantum device, the 140CPU31110 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.
Key published characteristics include a 5 V DC (backplane) rating. These values should be confirmed against the current manufacturer datasheet before final selection, as options and suffixes vary by configuration.
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 140CPU31110, 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 140CPU31110?
The 140CPU31110 is a modicon quantum device in the Modicon Quantum range from Schneider Electric. It belongs to the Modicon Quantum automation family.
What are the key technical ratings of the 140CPU31110?
Its published highlights include 5 V DC (backplane). Full electrical, mechanical and environmental limits are listed in the manufacturer datasheet and should be confirmed for your exact suffix.
How is the 140CPU31110 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 140CPU31110 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 140CPU31110?
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
Hardware
| Processor | Unity (PowerPC-based) |
|---|---|
| Clock speed | 66 MHz |
| Math coprocessor | Integrated (PowerPC) |
| Program memory | Included in internal RAM (548 KB) |
| Data memory | Included in internal RAM |
| Internal RAM | 548 KB user RAM |
| Programming software | Unity Pro |
| Scan speed | 1.86 K instructions/ms (100% boolean) |
I/O Capacity
| Discrete I/O (max) | Local unlimited; Remote 31744 in / 31744 out |
|---|---|
| Analog I/O (max) | Local unlimited; Remote 1984 in / 1984 out |
| Compatible backplane slots | 2, 3, 4, 6, 10, 16 |
| Local racks | 2 |
| Expansion racks | 63 distributed I/O stations (Modbus Plus), 31 remote I/O stations (S908) |
Communication
| Built-in ports | 1× Modbus Plus (DB9), 2× RS-232/RS-485 serial (DB9) |
|---|---|
| Protocols | Modbus Plus, Modbus RTU (serial) |
| Communication expansion | Backplane slots for communication modules (e.g. 140NOE77101 Ethernet, 140CRP93200 RIO head, 140CRA21110 DIO drop, 140CHS hot standby) |
Electrical
| Supply voltage | 5 V DC (backplane) |
|---|---|
| Power consumption | 9 W |
| Bus current | 1800 mA @ 5 V DC |
Environmental
| Operating temperature | Not available |
|---|---|
| Storage temperature | Not available |
| Relative humidity | Not available |
| Protection rating | IP20 |
Physical
| Dimensions (H×W×D) | 250 × 40.34 × 103.85 mm |
|---|---|
| Weight | 0.85 kg |
Lifecycle
| Discontinued (End of Sale) | 2018-12-31 (Last verified: 2026-09) |
|---|
Reproduced from the manufacturer's published data. Values marked "Not available" are absent from the source document.