Email: sales@slxytech.com
WhatsApp / Wechat：8617062388866
Phone：+86 17062388866Description
The CM3141-02-03 is a high-performance, single-board computer (SBC) or controller module manufactured by SAT (Schneider Electric Automation Technology), specifically designed for their renowned Modicon® Momentum® distributed I/O system. This module functions as the intelligent core or “head” of a Momentum remote I/O drop, providing the processing power, communication interfacing, and control logic execution for a local group of I/O modules. The CM3141-02-03 is engineered to operate as a sophisticated remote controller, managing data acquisition from input modules, executing pre-programmed logic, and controlling output modules, all while communicating seamlessly with a central PLC (e.g., Modicon Quantum) over a Modbus Plus (MB+) network. Its role is to decentralize control, enhance system responsiveness, and reduce the wiring costs associated with bringing all I/O signals back to a central rack.
As a critical component within the Momentum architecture, the CM3141-02-03 exemplifies the shift towards distributed intelligence. It offloads processing tasks from the main PLC, allowing for faster local response times for critical sequences and interlocking. The module is characterized by its integrated Modbus Plus communication port, a robust peer-to-peer network protocol, and a built-in programming port for configuration. The value of the CM3141-02-03 lies in its ability to create intelligent, self-contained control nodes that improve overall system scalability, performance, and reliability. It is an ideal solution for organizing control by machine cell or process area in industries such as manufacturing, material handling, and water treatment.
CM3141-02-03 CX3149-05 SAT
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | CM3141-02-03 |
| Manufacturer | SAT (Schneider Electric Automation Technology) |
| Product Type | Momentum Distributed I/O Controller with MB+ |
| Communication Protocol | Modbus Plus (MB+) |
| I/O Capacity | Supports up to 16 Momentum I/O modules (max 128 I/O points) |
| Processor | 16-bit microprocessor |
| Logic Memory | 8 Kbytes (for embedded control logic) |
| Data Memory | 4 Kbytes (for data table) |
| Integrated Ports | 1 x Modbus Plus (MB+) network port, 1 x programming port (Mini-DIN) |
| Power Supply | 24V DC (via Momentum baseplate) |
| Operating Temperature | 0°C to +60°C (+32°F to +140°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Relative Humidity | 5% to 95% (non-condensing) |
| Agency Approvals | UL, cUL, CE |
Main Features and Advantages
Distributed intelligence and local processing: The primary advantage of the CM3141-02-03 is its capability for embedded control. Unlike a simple I/O adapter, this module can store and execute its own ladder logic program, enabling autonomous control of its local I/O slice. This drastically reduces the scan time for critical local functions, as decisions are made immediately at the node without waiting for the central PLC’s cycle. This distributed control architecture enhances system responsiveness, simplifies program structure by compartmentalizing logic, and improves overall machine availability because the local node can often continue operating even if communication with the main PLC is temporarily interrupted.
Robust connectivity and seamless integration: The CM3141-02-03 is built around the proven Modbus Plus (MB+) industrial network, providing deterministic and reliable peer-to-peer data exchange with other MB+ devices, including central PLCs and other Momentum controllers. Its integration into the Schneider Electric ecosystem is seamless; it is programmed using the industry-standard Concept® or Unity Pro® software platforms, using the same familiar ladder logic programming environment as other Modicon PLCs. This allows for easy maintenance and program development. The module’s design simplifies wiring and reduces cabinet space by consolidating control for up to 16 I/O modules into a single, intelligent node, significantly lowering installation and commissioning costs.
Application Field
The CM3141-02-03 is deployed in a wide range of industrial automation applications that benefit from distributed control architectures. In manufacturing and assembly lines, it is used to control individual workstations or cells—such as robotic welding stations, palletizing cells, or testing machines—allowing for independent operation and easy troubleshooting. Within material handling systems, the module is ideal for controlling conveyor sections, sortation units, and automated storage and retrieval system (AS/RS) components, providing fast, localized control for motor starters and sensors.
In water and wastewater treatment plants, the CM3141-02-03 is often used to manage remote process areas like filter beds, chemical dosing stations, or pump houses, collecting local data and controlling outputs while communicating status back to a central SCADA system. The building automation and HVAC sector utilizes these controllers for managing mechanical rooms and air handling units. Essentially, the CM3141-02-03 is the perfect solution for any application requiring a rugged, intelligent, and networked remote controller that integrates flawlessly into the Schneider Electric Modicon ecosystem.
CM3141-02-03 CX3149-05 SAT
Related Products
170 MMS 010 00: A typical 10-slot Momentum rack/baseplate for housing the controller and I/O modules.
170 MMS 102 00: A 2-slot expansion baseplate for system extension.
170 ADM 340 00: A Momentum analog input module.
170 ADM 350 00: A Momentum analog output module.
170 DDM 390 00: A Momentum discrete (digital) input module.
170 DDM 391 00: A Momentum discrete (digital) output module.
Modicon Quantum PLC: A typical central PLC that would act as the network master to the CM3141-02-03.
Concept® or Unity Pro® Software: The programming platforms used to configure and program the controller.
