Modicon M340 | Schneider | BMXP3420302 Processor Module M340

Product Description: Schneider Electric BMXP3420302

The Schneider Electric BMXP3420302 is a high- performance CPU module for the Modicon M340 PLC platform. It provides robust processing capabilities with 3072 kB of internal program memory and supports advanced logic, control, and communication features. This CPU model includes two integrated serial ports for Modbus and ASCII communications, and is suitable for compact, high-speed automation systems that do not require native Ethernet communication.

Key Features

• Program memory: 3072 kB
• RAM for data and logic: 384 kB
• 2 integrated serial ports:
  • 1 x RS232/RS485 isolated
• Supported protocols: Modbus RTU, ASCII
• No built- in Ethernet port
• Real-time clock with backup battery
• Memory card slot for SD cards (up to 2 GB)
• Status LEDs for CPU, RUN, ERR, and I/O diagnostics
• DIN rail mounting

Technical Specifications

• Execution performance: 70 ns per instruction
• Program capacity: Up to 64,000 instructions
• I/O capacity: Up to 1024 discrete and 256 analog channels
• Event processing: Yes
• Multitasking: 4 cyclic, 1 fast, and 1 event task
• Power supply: 5 V DC from M340 rack backplane
• Operating temperature: 0°C to +60°C
• Storage temperature: -40°C to +85°C
• Relative humidity: 5% to 95%, non-condensing
• Protection rating: IP20
• Dimensions (W x H x D): Approx. 60 mm x 100 mm x 95 mm
• Weight: Approx. 0.25 kg

Application Areas

• Compact machine control
• Process control systems
• Water and wastewater automation
• Packaging, textile, and food industries
• Distributed I/O and control without Ethernet requirement

Advantages

• Powerful logic processing in a compact form factor
• Flexible serial communication with legacy or simple devices
• Memory card support for data logging and backup
• Reliable performance in harsh industrial environments
• Seamless integration with Modicon M340 architecture