Schneider BMXP3420302CL Modicon M340 Processor Module Overview

Technical Specifications Breakdown

Key parameters for the BMXP3420302CL are listed below for quick reference:

Real-World Applications

With CANopen motion control support for up to 63 devices and Ethernet TCP/IP for supervisory connectivity, it suits distributed automation architectures requiring moderate I/O counts. The 0.12 µs Boolean execution time ensures responsive logic for high-speed sorting or assembly tasks.

Installation and Setup Guidance

Mount the module on a Modicon M340 rack using the internal power supply via the rack. A memory card is required for operation (not supplied). Connect the CANopen bus via the SUB-D 9 connector, observing transmission rates and cable lengths: up to 2500 m at 20 kbit/s, 500 m at 125 kbit/s, or 20 m at 1 Mbit/s. Use the USB port for local programming and Ethernet for network integration. Configure the embedded services (NMT, PDO, SDO, SYNC, EMCY) as per your application needs.

Maintenance and Reliability

The module is rated for 0 to 60 °C ambient temperature and 10–95% relative humidity (non-condensing). Its IP20 protection suits clean, indoor environments. Periodically inspect the status LEDs (RUN, ERR, I/O, CAN RUN, CAN ERR, ETH ACT, ETH STS, ETH 100, CARD ERR, SER COM) for quick diagnostics. No disassembly or contact cleaning is recommended; keep the enclosure free of dust and moisture.

Selecting the Right Processor for Your Automation Needs

When building or upgrading a Modicon M340 automation platform, the processor module is the central decision point. The Schneider BMXP3420302CL offers a balanced mix of I/O capacity, communication versatility, and processing speed for mid-range applications. This guide helps you evaluate its capabilities against your specific requirements.

Compatibility and Integration

It communicates via CANopen (master, up to 63 devices) and Ethernet TCP/IP (Modbus TCP messaging, SNMP, Rack Viewer). It can manage up to 2 Ethernet communication modules and 4 AS-Interface modules. The processor also supports 64 event tasks, one cyclic master task, and one periodic fast task.

Selection Guide and Purchasing Advice

When selecting this processor, confirm your I/O requirements: up to 1024 discrete or 256 analog I/O in multi-rack configurations. If your application demands higher I/O counts or different communication protocols, consider other Modicon M340 variants. AutoDCSTech offers the BMXP3420302CL with detailed specifications and availability information. Please verify current lifecycle status and availability with AutoDCSTech before ordering.

Troubleshooting and Common Issues

If the ERR LED is red, check for processor or system faults. A red CARD ERR LED indicates a memory card issue; ensure a compatible card is inserted. For I/O faults (red I/O LED), verify module connections and configuration. Slow network performance may require adjusting CANopen baud rates or checking cable lengths against the specified limits. Use the Ethernet status LEDs (ETH ACT, ETH STS, ETH 100) to diagnose link activity and speed.