BACHMANN MX213

Core Technical & Performance Parameters

• Processor: Industrial x86 embedded CPU, standard 266MHz clock, optional 433MHz high-speed variant
• Real-Time Memory: 128MB DDR SDRAM, non-volatile 8MB flash program memory; expandable via CFast card up to 2GB
• PLC Scan Cycle: Minimum 0.1ms deterministic logic scan cycle, multi-task real-time scheduling
• Backplane Bus: Bachmann high-speed M200 local bus, data refresh rate 1ms for full rack I/O expansion
• Communication Interfaces Front Panel:
  • 2 x 10/100Mbps Ethernet RJ45 (ETH1 / ETH2) – Modbus TCP, OPC UA, EtherNet/IP
  • 2 x RS232/485 configurable DB9 COM ports – Modbus RTU, CANopen, serial printer
  • 1 x CAN bus DB9 port – CANopen master for servo drive and remote I/O
  • USB 1.1 service port for local program download and debugging
• Power Supply: 24VDC nominal input, range 18–34VDC, module power consumption 7.5W maximum
• Operating Temperature: -20°C ~ +60°C; storage -30°C ~ +85°C
• Humidity: 5%–95% RH non-condensing
• Protection Rating: IP20 when installed inside standard PLC rack cabinet
• Dimension & Weight: 119mm (H) × 55mm (W) × 23mm (D), weight 0.68kg
• Supported IEC 61131-3 Languages: ST, LD, FBD, SFC, IL structured programming

Function & Feature Highlights

1. Hard real-time operating system with hardware task scheduling, no jitter on critical safety control loops
2. Dual Ethernet ports support redundant network communication for critical process safety systems
3. Integrated CANopen master channel to directly connect servo motors, remote analog/digital I/O modules without gateway
4. Built-in data logging function stores process trend data to CFast memory card for post-fault analysis
5. Comprehensive hardware self-diagnosis: backplane bus fault, memory error, communication port short circuit, power undervoltage
6. Fast Start-Up (FSU) function completes PLC cold boot within 2 seconds for emergency restart scenarios
7. Support for Bachmann safety logic add-on libraries for machinery safety, wind turbine pitch control safety functions
8. Remote web-based HMI access via Ethernet for real-time parameter adjustment and fault diagnosis without local software

Material & Structural Characteristics

• PCB: High-temperature FR4 printed circuit board with full acrylic conformal coating for humidity and dust resistance
• Front Panel: Black plastic industrial grade ABS panel with silk-screened port labels and multi-color status LED indicators (RUN, INIT, ERR, BUS, TEST)
• Connectors: Gold-plated DB9 serial/CAN ports, shielded RJ45 Ethernet jacks, spring terminal 24VDC power input connector
• Mechanical Mounting: Standard Bachmann M200 series rack backplane hot-plug compatible slot design
• Heat Dissipation: Passive natural convection cooling, no fan design; internal copper thermal vias spread CPU heat across PCB surface
• EMC Compliance: IEC 61000-6-2 industrial heavy interference immunity standard

Working Principle

1. 24VDC rack power supplies MX213 CPU module; backplane bus exchanges digital/analog I/O data with expansion modules in the same rack
2. Real-time x86 CPU executes IEC 61131-3 control logic program stored in flash memory, completes I/O read/write within fixed deterministic scan cycle
3. Multi communication channels exchange data with upper SCADA systems, servo drives, remote field I/O stations and local HMI panels
4. CFast memory card archives process trend data, fault event logs and backup control programs for system recovery
5. On-board diagnostic circuit continuously monitors module power, bus communication and peripheral port status, triggers front panel ERR LED alarm upon hardware failure
6. Dual Ethernet ports support redundant transmission; automatic communication switchover if primary network link fails without interrupting control logic execution

Installation Requirements

1. Install into standard Bachmann M200 series modular PLC rack backplane slot, left-to-right sequential CPU first then I/O expansion modules
2. Maintain minimum 10mm vertical airflow clearance above and below module row inside cabinet; forced cooling fan required for continuous operation above 50°C ambient
3. Rack 24VDC power supply must include surge protection and noise filter to avoid CPU communication interference
4. All communication cables (Ethernet, CAN, RS485) must use shielded twisted pair with shield grounded to cabinet earth bar
5. CFast memory card insertion/removal must be performed only when module power is cut off to prevent file system corruption
6. Rack cabinet must maintain IP20 minimum protection class to prevent conductive dust contact with exposed backplane bus connectors

Application Scenarios

• Onshore and offshore wind turbine pitch control systems
• Marine vessel propulsion and auxiliary machinery automation control
• Hydraulic press, injection molding machinery core PLC control
• Water and wastewater treatment distributed process control systems
• Solar power station central monitoring and inverter coordination control
• Steel mill cooling water and furnace auxiliary control cabinets

Operation & Maintenance Notes

1. Avoid frequent CFast card hot-plug operation with module energized; repeated hot swap damages storage card and internal memory controller
2. PLC program download via USB port must use Bachmann official programming software (Programming Tool) to prevent firmware mismatch
3. Conformal coated PCB cannot be cleaned with liquid solvent; use dry compressed air to remove dust buildup on front panel ports
4. Annual backplane bus connector inspection for oxidation in high-humidity coastal environments
5. CPU module cold boot time extends significantly if CFast card storage capacity exceeds 1GB; match recommended memory card size for fast startup
6. Do not operate module in environments with flammable gas without ATEX certified explosion-proof cabinet housing