Schneider Electric – BMXP3420102 – Modicon M340 Processor, CPU347‑20, 4-Rack

The BMXP3420102 (also known as CPU347‑20) is a high-performance PLC processor from Schneider’s Modicon M340 automation platform. It supports up to 4 I/O racks, manages 1,024 discrete or 256 analog channels, and includes Modbus RTU and CANopen communications. Ideal for industrial applications such as packaging, material handling, and OEM automation, it offers robust control with fast startup and integrated diagnostics.  

 Key Features & Specifications

• Model / P/N: BMXP3420102 (Modicon M340 CPU347‑20)

• I/O Capacity: Up to 4 racks — max 1,024 discrete & 256 analog I/Os; single rack: 704 discrete & 66 analog  

• Communication Ports:

  • Built-in Modbus RTU (RJ45 serial)

  • CANopen port via SUB-D9 connector  

• Memory: Ships with backup BMXRMS008MP memory card; supports 8 MB/128 MB cards  

• Rack/Slot Support: Up to 4 racks, 11 slots total  

• Diagnostics: Integrated monitoring counters and event logging via Modbus  

• Power Consumption: Approx. 90 mA @ 24 V DC; 2.2 W dissipation  

• Mounting & Enclosure: 35 mm DIN rail, IP20; included captive screws ()