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The BMXP3420302 is a processor module from the Modicon M340 automation platform by Schneider Electric, designed as a PAC controller supporting CANopen. It supports up to 4 racks and 11 slots, with a maximum processing capacity of 1024 discrete I/O and 256 analog I/O, making it suitable for medium to large-scale automation architectures.
High I/O Capacity
Multi-Network Integration
Advanced Control Functions
This processor integrates multiple communication interfaces including USB (12 Mbit/s), CANopen (20 kbit/s to 1 Mbit/s), and Ethernet TCP/IP (10/100 Mbit/s). It supports services such as Modbus TCP messaging, SNMP network management, and bandwidth management. Additionally, it offers motion control, programmable control loops, and independent CANopen axis control, enabling advanced industrial control applications.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Schneider Electric BMXP3420302 PROCESSOR MODULE M340 Sensor Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Power Industry
Applied in power generation systems for control of distributed I/O and communication networks. Supports integration of controllers, field devices, and supervision systems through Ethernet and CANopen, enabling stable operation of electrical equipment.
Oil & Gas
Used in oil and gas processing units to manage field signals and control loops. Provides reliable data acquisition and communication for pressure, flow, and other process variables within distributed control architectures.
Water Treatment Deployed in water and wastewater facilities for control of pumping, filtration, and dosing systems. Supports real-time monitoring and control through analog and discrete I/O processing.
Manufacturing
Applied in industrial manufacturing systems to control machines and production lines. Enables execution of control logic and coordination of distributed I/O within modular automation architectures.
Mining
Used in mining systems for monitoring and control of heavy-duty equipment. Ensures stable communication and signal processing in distributed installations.
Transportation
Applied in transportation infrastructure systems for control and monitoring of distributed equipment. Supports communication between subsystems via Ethernet-based networks.
The BMXP3420302 processor manages application memory through specific internal partitions, providing 4096 KB of integrated RAM for the executable program and 256 KB for data (located in the internal volatile memory). For persistent storage and backup, the processor requires a BMXRMS008MP memory card (supplied with the module), which stores the application, symbols, and comments. During the power-up sequence, the processor performs a self-test of the hardware and checks the integrity of the application stored in the flash memory before transitioning to the RUN state. Users must configure the Task Management (Master, Fast, and Auxiliary tasks) within the EcoStruxure Control Expert software to optimize the CPU scan time.
For the BMXP3420302, how many CANopen slave devices can be connected on the CANopen network?
The BMXP3420302 CANopen interface supports up to 63 CANopen slave devices on the bus, allowing large distributed I/O and field device networks.
Can the firmware from a BMXP342030 be converted to BMXP3420302 firmware?
Yes. You can update BMXP342030 firmware to BMXP3420302 by loading two specific update files in sequence with Unity Loader. After both steps, the module will be running BMXP3420302 firmware version.
If BMXP3420302 with V2.2 firmware does not operate correctly with CANopen (e.g., green LED flashing), what should be done?
Even if the CPU shows V2.2 firmware, re‑upgrade the firmware using UnityLoader with the correct version file. Remove the SD card before power‑up, power on the CPU, then insert the card and perform the upgrade to ensure stable CANopen operation.
For the BMXP3420302, what is the maximum number of discrete and analog I/O that the processor module supports?
The BMXP3420302 processor module supports up to 1024 discrete I/O points and 256 analog I/O points in a multi‑rack configuration, making it suitable for large automation systems.
Does the BMXP3420302 support CANopen master communication and what are the transmission rates?
Yes, BMXP3420302 supports CANopen master bus communication on a SUB‑D9 connector, with transmission rates from 20 kbit/s up to 1 Mbit/s depending on bus length and network configuration.
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