Shop Now
Request a Quote
Search

Modicon PLC & Automation

Schneider Electric’s Modicon PLC and Automation lineup offers a comprehensive portfolio of high-performance control solutions essential for modern industrial automation and process management systems. Engineered for high-speed processing, cybersecurity, and seamless scalability, this range includes advanced programmable logic controllers (PLCs), modular I/O units, and communication interfaces designed to optimize operations across complex manufacturing environments. By integrating Modicon PLC components into your control architecture, you unlock superior system flexibility, real-time diagnostics, and maximum uptime in demanding industrial applications.

Schneider BMXDDO3202 32-Ch Output

Schneider BMXDDO3202 32-Ch Output

Schneider BMXDDO3202H Severe Output

Schneider BMXDDO3202H Severe Output

Schneider BMXDDO6402KC Coated Output

Schneider BMXDDO6402KC Coated Output

Schneider BMXDRA0815H Harsh Relay

Schneider BMXDRA0815H Harsh Relay

Schneider BMXEAE0300H Severe SSI

Schneider BMXEAE0300H Severe SSI

Schneider BMXFCA500 Cordset 5m

Schneider BMXFCA500 Cordset 5m

Schneider BMXFCC051 Cordset 0.5m

Schneider BMXFCC051 Cordset 0.5m

Schneider BMXFCC201 Cordset 2m

Schneider BMXFCC201 Cordset 2m

Schneider BMXFCW501 Cordset 5m

Schneider BMXFCW501 Cordset 5m

Schneider BMXFTB4020 Spring Strip

Schneider BMXFTB4020 Spring Strip

Schneider BMXFTW1001 Cordset 10m

Schneider BMXFTW1001 Cordset 10m

Schneider BMXFTW305 Prewired Terminal

Schneider BMXFTW305 Prewired Terminal

Need Expert Schneider Modicon Sourcing?

Schneider Electric Modicon PLCs, PACs, and X80 expansion modules drive high-performance process automation across manufacturing, water treatment, and infrastructure facilities. Because complex programmable logic loops require exact coordination of CPU memory limits, backplane slot configurations, communication protocols (Modbus TCP, EtherNet/IP, CANopen), and firmware revisions, locating drop-in hardware replacements is critical for preventing extended production line stoppages. Contact our dedicated industrial automation sourcing team today to locate your specific processor module, I/O rack, power supply, or legacy hardware controller.

Contact Us

Worked Examples: Decoding Schneider Modicon Catalog Numbers

Schneider Electric Modicon part numbers follow a position-specific alphanumeric sequence that explicitly defines processor tier, form factor class, channel capacity, communication ports, and backplane architecture. Review the worked examples below to interpret your hardware tags.

Modicon M580 ePAC Standalone Processor

• BMEP582020 — Modicon M580 Level 2 Standalone CPU Module

BMEP58 (Modicon M580 Ethernet Programmable Automation Controller [ePAC] Family) • 20 (Level 2 Performance Tier: 8 MB Program Memory, supporting up to 2048 Discrete and 512 Analog I/O Channels) • 20 (Embedded Dual Ethernet TCP/IP Service Ports and USB Mini-B Programming Console Interface)

Modicon M221 Nano PLC Logic Controller

• TM221CE16R — M221 Compact 16 I/O Relay Logic Controller

TM221 (Modicon M221 Nano PLC Platform) • C (Compact Brick Housing Form Factor) • E (Integrated RJ45 Ethernet Port with Modbus TCP Client/Server capabilities) • 16 (16 Total Onboard Digital Points: 9 Discrete Inputs, 7 Relay Outputs) • R (Electromechanical Relay Output Switching Configuration)

Modicon X80 8-Slot Rack Backplane

• BMXXBP0800 — Modicon X80 8-Slot Standard Backplane

BMX (Modicon X80 Common Platform Hardware Series) • XBP (eXpansion Backplane Rack) • 0800 (8-Slot Capacity Backplane featuring high-speed X-bus data communications for M340/M580 processors and I/O expansion modules)

Automation Maintenance Tip: When replacing or expanding Modicon PAC processor modules like the BMEP582020 on an active X80 backplane, verify that the physical backplane part number matches the required Ethernet transmission bus type. Standard X-bus backplanes (BMXXBP series) support M340 CPUs and standard I/O modules, while Ethernet-enabled backplanes (BMEXBP series) are required to support advanced M580 Ethernet I/O scanner modules and distributed network drops. Interchanging these backplane classes can cause communication faults across the local rack.

Schneider Modicon PLC & Automation FAQ

Maintaining uninterrupted control loops and managing system migrations requires a clear understanding of processor series, expansion architectures, and programming platforms. Review our expert hardware support answers below.

What is the difference between a Modicon PLC and a Modicon PAC?
Modicon PLCs (such as the M221, M241, and M251 series) are compact logic controllers designed for standalone machinery, small automation setups, and discrete OEM applications. Modicon PACs (Programmable Automation Controllers, such as the M340 and M580 ePAC) feature higher processing power, expandable memory, native Ethernet backplanes, hot-swapping capabilities, and dual-redundancy options for large-scale industrial process plants and complex infrastructure.

Are Modicon M340 and M580 modules built on the same physical backplane architecture?
Yes. Both the M340 and M580 PAC series utilize the Modicon X80 common platform. This unified hardware footprint shares the same I/O modules, power supplies, terminal blocks, and backplane racks. This allows facilities upgrading from an M340 to an M580 processor to retain their existing X80 I/O modules, avoiding complete panel rewiring.

How can legacy Modicon Quantum, Premium, or Momentum PLC hardware be replaced or maintained?
Legacy Modicon platforms like Quantum (140-series), Premium (TSX57-series), and Momentum (170-series) are widely deployed in long-standing facilities. TCI Supply carries an extensive inventory of new and refurbished legacy Modicon modules for direct repair-in-place service. When planning full modernizations, Schneider Electric provides migration wiring adapters that convert Quantum or Premium I/O arms directly to Modicon M580 X80 I/O racks without rewiring field terminal blocks.

What software platform is used to program Modicon controllers?
Programming software depends on the controller family:

  • EcoStruxure Machine Expert (formerly SoMachine) is used for M221, M241, M251, M258, and M262 machine logic controllers. (Machine Expert Basic for M221 is available free of charge).
  • EcoStruxure Control Expert (formerly Unity Pro) is used for M340, M580, Quantum, and Premium PAC platforms.

How do I diagnose and clear an ERR or HALT fault on a Modicon processor?
An active ERR or HALT LED indicator on a Modicon CPU typically indicates an unhandled software task watchdog timeout, an I/O module mismatch on the backplane, or a memory card corruption error. Connecting via USB or Ethernet through EcoStruxure Control Expert or Machine Expert allows you to view the processor’s internal diagnostic buffer to pinpoint the exact fault code, reflash firmware, or clear software trip flags.

Ready to locate your replacement Modicon PLC component?

TCI Supply carries a comprehensive inventory of active and legacy Schneider Electric Modicon M580, M340, M221, M241, M251 processors, X80 I/O cards, power supplies, and discontinued Quantum/Premium modules. Contact our technical team directly at 1-800-755-2883 or email an image of your equipment data plate to receive a fast, competitive quote.

 

Get A Quote

Fill in the form below, or call us now at 1-800-755-2883

"*" indicates required fields

This field is for validation purposes and should be left unchanged.

Full Product Catalog

See our comprehensive product catalog!

View Catalog