Description
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | XC-CPU202-EC4M-8DI-6DO-XV |
| Catalog Number | 134238 |
| Manufacturer | Eaton |
| Product Family | XC200 |
| Product Type | Modular PLC |
| Supply Voltage | 24 VDC |
| Operating Voltage Range | 20.4–28.8 VDC |
| Digital Inputs | 8 |
| Digital Outputs | 6 |
| Processor | ARM, 532 MHz |
| Program Memory | 4 MB |
| Ethernet | 10/100 Mbps, RJ45 |
| Serial Interface | RS232, RJ45 |
| Fieldbus | CANopen / easyNet |
| USB | USB 2.0 |
| CANopen Baud Rates | 20–1000 kbit/s |
| CANopen Isolation | Potentially isolated |
| Integrated Functions | Web server, real-time clock |
| Expansion Capacity | Up to 126 modules, subject to system configuration |
| Protection Rating | IP20 |
| Operating Temperature | 0–55°C |
| Storage Temperature | -25–70°C |
| Dimensions | 100 × 60 × 100 mm |
| Weight | Approximately 0.25 kg |
| Mounting | Direct, wall, or DIN-rail mounting |
| Certifications | EN 50178, IEC/EN 61131-2, EAC |
Specifications are based primarily on Eaton’s product information and XC200 technical documentation. Confirm output wiring and electrical characteristics against the manual before connecting field loads.
Product Introduction
Eaton XC-CPU202-EC4M-8DI-6DO-XV Modular PLC
The Eaton XC-CPU202-EC4M-8DI-6DO-XV is an XC200-series programmable logic controller designed for machine automation and industrial control systems. It combines a 532 MHz ARM processor, 4 MB memory, eight digital inputs, six digital outputs, and Ethernet, RS232, CANopen, and USB communication interfaces.
Its integrated web server and support for expandable XIOC signal modules provide options for machine monitoring and distributed I/O. The controller is discontinued, so replacement planning should account for the existing program, communication settings, and expansion hardware.

XC-CPU202-EC4M-8DI-6DO-XV
Application Scenarios & Field Pitfalls (Engineer’s Perspective)
A machine may stop responding after a controller failure, but replacing the CPU alone does not guarantee a successful restart. The XC-CPU202 stores application logic and manages local I/O, communication, and expansion modules. A replacement must therefore match the existing hardware configuration and restore the correct application and startup settings.
Typical application scenarios:
- Machine control: Sequence control for industrial machinery, including discrete input monitoring and output actuation.
- Production equipment: Local PLC control with Ethernet-based programming and monitoring.
- Distributed I/O systems: Communication with remote CANopen devices and central XIOC signal modules.
- Equipment upgrades and maintenance: Replacement of installed XC200 controllers in existing machine-control cabinets.
Eaton’s manual describes the XC200 as a machine-control PLC with RS232/Ethernet programming interfaces, central XIOC signal modules, and decentralized CAN devices.
Field pitfalls to address before commissioning:
1. Program and firmware compatibility: Confirm the existing CODESYS project version, target configuration, libraries, and CPU operating-system version. Eaton’s manual specifies CODESYS 2.3 or later for XC200 programming. Do not assume a project compiled for another controller will transfer without changes.
2. I/O wiring and load compatibility: Verify the electrical characteristics and wiring assignments of all eight inputs and six outputs. Check output load type, current requirements, common connections, and protection arrangements against the exact wiring documentation before energizing field circuits.
3. CANopen and Ethernet configuration: Record node addresses, baud rates, IP settings, and bus termination before removing the original controller. The XC-CPU202 supports selectable CAN bus termination, so an incorrect termination arrangement can create communication faults after replacement.
Incoming inspection: Check the model code, catalog number 134238, hardware revision, terminal condition, and signs of prior installation. The product uses separately ordered accessories, including terminal clamps, a module rack, and a battery; confirm which items are included in the supplied package.
Related Products
These components belong to the Eaton /XIOC hardware environment. They are related system components, not automatic substitutes for the CPU.
- XC-CPU201-EC256-8DI-6DO-XV — Earlier CPU variant. It differs from the XC-CPU202 in processor and interface capabilities; verify application and hardware compatibility before considering a migration.
- XIOC-BP-XC — Two-slot basic backplane for the system.
- XIOC-BP-XC1 — Three-slot basic backplane, providing an additional position for an XIOC signal module.
- XIOC signal modules — Expansion I/O modules used with the system for additional central I/O capacity. Select the exact module according to signal type and channel requirements.
- CANopen devices — Decentralized devices connected through the XC- CAN interface. Confirm device profiles, node addressing, and bus configuration before integration.
Replacement recommendation: For an existing installation, prioritize an exact XC–EC4M-8DI-6DO-XV match. Before considering an XC-CPU201 or another controller, compare the application project, memory requirements, communication interfaces, I/O assignments, and firmware support. A similar channel count does not establish functional equivalence.
