Schneider Electric Modicon M340 BMXAMI0810 Modules

Technical Dossier

Product Details And Specifications

Schneider Electric Modicon M340 Series: Comprehensive Module Range and Technical Overview

The Schneider Electric Modicon M340 series is a mid-range programmable automation controller (PAC) platform deployed across global heavy industry sectors including petrochemical refineries, nuclear power auxiliary systems, offshore oil & gas platforms, water treatment facilities, and continuous process manufacturing. The M340 rack-based architecture supports hot-swap I/O modules, dual-port Ethernet redundancy, and IEC 61131-3 programming via Unity Pro / EcoStruxure Control Expert. Its compact form factor and deterministic scan cycle make it the dominant replacement platform for legacy Modicon Quantum and Premium installations. Installed base spans hundreds of thousands of racks globally, ensuring long-term demand for spare modules well beyond the platform's active production lifecycle.

The Evolution of Modicon M340 Architecture

The M340 platform was introduced by Schneider Electric in 2006 as the successor to the TSX Micro and TSX Premium series, consolidating mid-range PLC and PAC functionality into a unified backplane. Early hardware revisions (circa 2006–2010) used the BMXCPS2000 power supplies with limited bus bandwidth; subsequent revisions introduced the BMXCPS3500 and BMXCPS4002 power modules with wider input voltage tolerance. The CPU lineup evolved from the entry-level BMXP341000 (no Ethernet) through the BMXP342020 (dual Ethernet, USB) to the current BMXP3420302 with integrated web server and SD card logging. I/O module firmware compatibility is managed through Unity Pro / EcoStruxure Control Expert DTM libraries; modules manufactured before 2012 may require firmware alignment when mixed with post-2015 CPUs. The M340 platform entered the mature/maintenance phase of its lifecycle circa 2020. Schneider Electric continues to supply spare modules and publish security patches, but new feature development has migrated to the Modicon M580 ePAC platform. For installations requiring long-term continuity, DriveKNMS maintains a dedicated M340 spare parts inventory covering both active and discontinued references.

Modicon M340 Full Catalog & Functionalities (SKU List)

Analog Input Modules

• BMXAMI0410: 4-channel high-level analog input, ±10 V / 0–20 mA, 12-bit resolution
• BMXAMI0800: 8-channel high-level analog input, voltage/current, standard density
• BMXAMI0810: 8-channel high-level analog input, ±10 V / 0–20 mA / 4–20 mA, 16-bit resolution, isolated channels
• BMXART0414: 4-channel RTD/thermocouple input, PT100/PT1000/Ni100, temperature measurement
• BMXART0814: 8-channel RTD/thermocouple input, multi-sensor type, high-density thermal acquisition

Analog Output Modules

• BMXAMO0210: 2-channel analog output, ±10 V / 0–20 mA, 16-bit DAC
• BMXAMO0410: 4-channel analog output, voltage and current, process control loops

Digital Input Modules

• BMXDDI1602: 16-channel 24 VDC sink/source digital input, standard wiring
• BMXDDI3202K: 32-channel 24 VDC digital input, high-density, spring terminal
• BMXDAI1602: 16-channel 100–120 VAC digital input module

Digital Output Modules

• BMXDDO1602: 16-channel 24 VDC transistor output, 0.5 A per channel
• BMXDDO3202K: 32-channel 24 VDC transistor output, high-density
• BMXDRA0805: 8-channel relay output, 5 A per channel, 24–240 VAC/VDC

CPU / Controller Modules

• BMXP341000: M340 CPU, 256 KB application memory, no integrated Ethernet
• BMXP342020: M340 CPU, 512 KB, dual Ethernet ports, USB programming port
• BMXP3420302: M340 CPU, 4 MB, dual Ethernet, SD card, web server, latest revision

Communication & Specialty Modules

• BMXNOE0100: Ethernet TCP/IP communication module, Modbus TCP / EtherNet/IP
• BMXNOE0110: Ethernet module with web server and FTP logging capability
• BMXNOM0200: Serial link module, Modbus RTU / ASCII, RS-232/RS-485

Power Supply Modules

• BMXCPS2000: 100–240 VAC / 24 VDC power supply, 20 W, standard rack
• BMXCPS3500: 100–240 VAC / 24 VDC power supply, 35 W, extended capacity
• BMXCPS4002: 24–48 VDC input power supply, 40 W, DC-powered installations

Sourcing Hard-to-Find & Obsolete Modicon M340 Parts

As the M340 platform transitions into its extended maintenance phase, procurement of specific module references — particularly early-revision analog I/O and specialty communication cards — becomes increasingly constrained through standard distribution channels. DriveKNMS operates a dedicated lifecycle support inventory for the M340 series, sourcing modules through certified secondary market channels, decommissioned plant buybacks, and manufacturer surplus. All units are catalogued by hardware revision and firmware version to ensure compatibility with the target rack configuration. For end-users operating M340 systems in safety-instrumented or regulated environments (SIL-rated loops, nuclear auxiliary, offshore), DriveKNMS provides full traceability documentation including test records and revision history. Customers requiring long-term supply agreements (LTA) for M340 spare modules are invited to contact the procurement team directly.

Quality Control for the Modicon M340 Range

M340 analog modules such as the BMXAMI0810 incorporate multi-layer isolation between field wiring and backplane bus. DriveKNMS applies a dedicated test protocol for this module class: channel-by-channel signal injection across the full input range (−10 V to +10 V; 0–20 mA; 4–20 mA) with ADC linearity verification at 16-bit resolution. Backplane connector integrity is inspected under magnification for pin deformation and oxidation. Bus communication is validated by inserting the module into a live M340 rack and confirming Unity Pro / EcoStruxure Control Expert device recognition, channel mapping, and diagnostic word response. Power consumption draw is measured against the module's rated specification. Modules failing any parameter are quarantined and not returned to inventory. Each tested unit ships with a DriveKNMS inspection report.

© 2026 DriveKNMS. All trademarks belong to their respective owners. Specifications are for reference only and subject to change without notice. Verify all parameters against official documentation before installation.