Schneider Electric BMXP3420302 Modicon M340 Processor Module — CANopen & Ethernet, Up to 1024 Discrete / 256 Analog I/O Capacity, 4‑Rack, Supplied Backup Memory Card (BMXRMS008MP), IP20

The Schneider Electric BMXP3420302 is a high‑performance processor module for the Modicon M340 automation platform. Designed for demanding PAC/PLC applications, it provides CANopen master functionality, Ethernet connectivity and large I/O processor capacity to support multi‑rack and single‑rack installations across industrial sectors.

Key specifications

• Manufacturer: Schneider Electric
• Model: BMXP3420302 (Modicon M340 processor module)
• Function: Processor/CPU module for Modicon M340 PAC/PLC with CANopen and Ethernet interfaces
• Rack support: Up to 4 rack configuration; 11 module slots supported
• I/O processor capacity:
  • Discrete I/O: up to 1024 (multi‑rack); 704 (single‑rack)
  • Analog I/O: up to 256 (multi‑rack); 66 (single‑rack)
• CANopen: supports up to 63 CANopen server devices; CANopen master features include NMT, PDO, SDO, SYNC, EMCY, TIME; transmission rates from 20 kbit/s to 1 Mbit/s with specified distance ratings
• Ethernet: RJ45 10/100 Mbps (supports 2 Ethernet communication modules); embedded Ethernet services include bandwidth management, Modbus TCP messaging, data editor, rack viewer, SNMP, etc.
• Memory & storage:
  • Supplied backup memory card BMXRMS008MP (backup of programs, constants, symbols and data; activates web server class B10)
  • Internal RAM: 4096 kB (total), 3584 kB program/constants/symbols, 256 kB data
• Performance:
  • Execution times: 0.12 µs Boolean; 0.25 µs single‑length words; 1.16 µs floating point
  • Instruction throughput examples: up to 8.1 Kinst/ms (100% Boolean)
  • Application/task structure: 1 cyclic master task, 1 periodic fast task, up to 64 event tasks
• Control & I/O interfaces: USB port (12 Mbit/s), CANopen master bus (SUB‑D9), Ethernet RJ45 10/100BASE‑TX
• Local signalling LEDs: ETH ACT, CAN RUN, RUN, ETH STS, ETH 100 (green), I/O, CAN ERR, CARD ERR, ERR (red/green as specified)
• Supply & consumption: internal power via rack; current consumption 135 mA at 24 V DC
• Mechanical & environment: net weight 0.215 kg; IP20; operating ambient 0…60 °C; relative humidity 5…95 % without condensation; protective treatment TC
• Certifications & standards: CE, UL, CSA, RCM, EAC, UKCA, Merchant Navy; complies with IEC/EN standards including IEC 61131‑2, IEC 61010‑2‑201, IEC 61000‑6‑5, IEC 61850‑3, and hazardous location approvals per regional listings (see datasheet)
• Packaging & warranty: package dimensions and weights as per Schneider Electric; contractual warranty 18 months

Features & benefits

• High I/O capacity (up to 1024 discrete / 256 analog multi‑rack) for large distributed control systems.
• Integrated CANopen master and Ethernet support simplifies fieldbus and network integration (up to 63 CANopen nodes).
• Supplied backup memory card (BMXRMS008MP) secures program, constants and data and enables web server features.
• Strong real‑time performance and task management for complex automation sequences.
• Diagnostics and multi‑LED signalling ease commissioning and maintenance.

Typical applications

• Large machine control, process automation, water/wastewater, power generation, renewable energy, mining, cement and infrastructure projects requiring robust distributed I/O and fieldbus integration.

Installation and service notes

• Install in a Modicon M340 rack compatible with the processor; connect CANopen and Ethernet per Schneider Electric wiring instructions.
• Use the supplied memory card for backup and web server activation; replace with the specified part number if necessary.
• Observe ambient, humidity and IP20 enclosure requirements; follow hazardous location installation instructions if applicable.
• Keep firmware up to date (latest M340 firmware SV03.65 or as provided by Schneider Electric). Refer to the official datasheet and user guide for wiring diagrams, CANopen topology limits, transmission‑distance tables and configuration details.

Documentation

• Product datasheet, user guide, instruction sheet, catalog and CAD files available from Schneider Electric support portal.