Schneider BMXP3420102 Processor Module

Overview

The Schneider Electric BMXP3420102 is a high-performance processor module for the Modicon M340 platform. It supports up to 1024 discrete and 256 analog I/O points. The module enables robust control, diagnostics, and multi-rack operations. It suits complex machine control, distributed I/O, and process automation. Communication options include Modbus, CANopen, USB, and Ethernet. The compact, IP20-rated design ensures reliable performance in harsh industrial environments. It comes with a memory card for program, constants, symbols, and data backup. This module reduces startup time and increases network reliability while lowering total cost of ownership.

Technical Specifications

General Information

• Model: BMXP3420102

• Type: Processor Module (CPU)

• Platform: Modicon M340

• Number of racks: 4

• Number of slots: 11

• Discrete I/O capacity: 1024 multi-rack / 704 single-rack

• Analog I/O capacity: 256 multi-rack / 66 single-rack

• Application-specific channels: 36

• Current consumption: 90 mA at 24 V DC

• Memory: Internal RAM 4096 kB, RAM data 256 kB, program constants and symbols 3584 kB

• Supplied memory card: BMXRMS008MP

Communication & Connectivity

• Embedded communication: 2 Ethernet modules, 4 AS-Interface modules

• CANopen: 63 devices, master/slave, NMT, PDO, SDO, SYNC, EMCY, TIME

• USB port: 12 Mbit/s

• Serial links: RJ45 RS232C and RS485, character mode, Modbus RTU/ASCII

• Transmission rate: 20 kbit/s to 1 Mbit/s, range up to 2500 ft (760 m)

• Maximum devices per segment: 0–32 for character mode, 0–32 for Modbus, 0–16 for CANopen

Application Structure & Performance

• Tasks: 1 master task, 1 fast periodic task, 64 event tasks

• Execution times: 0.12 µs Boolean, 0.25 µs single-length words, 1.16 µs floating points

• Instruction rate: 6.4 Kinst/ms (65% Boolean + 35% fixed arithmetic)

• Control channels: Programmable loops, motion control, independent CANopen axes

Monitoring & Diagnostics

• Diagnostic counters: Modbus

• Event counters: Modbus

• Status LEDs: CAN RUN, RUN, I/O fault, CAN ERR, CARD ERR, processor/system fault, Modbus activity

Environmental & Compliance

• Operating temperature: 0–60 °C (32–140 °F)

• Relative humidity: 10–95% without condensation

• IP degree of protection: IP20

• Protective treatment: TC

• Certifications: CE, UL, CSA, RCM, EAC, Merchant Navy

• Standards: EN 61131-2, EN/IEC 61010-2-201, EN/IEC 61000-6-5, EN/IEC 61850-3

• Hazardous location: Class I Division 2

Physical Data

• Weight: 0.21 kg

• Compact, modular design supports high scalability and multi-rack integration