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Bachmann BS204 Backplane Module
1. Product Description
The Bachmann BS204 is a 4-slot backplane module engineered to serve as the fundamental mechanical and electrical backbone for industrial automation systems. It enables the seamless interconnection of up to four Bachmann M1 controller hardware modules, including power supplies, CPU modules, and input/output (I/O) modules. By providing a stable platform for module integration, the BS204 ensures reliable communication and power distribution among connected components, making it a cornerstone for building efficient control systems in diverse industrial settings.
2. Detailed Specifications
2.1 Mechanical Design
- Slot Configuration: Features four slots, allowing for the installation of a variety of Bachmann modules. This modular design enables flexible system configuration, whether for a simple setup with a few key components or for future expansion as system requirements grow.
- Mounting: Can be easily snapped onto an EN 60715 DIN rail. This standard mounting method simplifies installation within control cabinets, reducing the time and effort required for system integration.
- Dimensions: Measures 21.8 cm (Length) x 12.7 cm (Width) x 2.5 cm (Height) (8.6" x 5.0" x 1.0"), providing a compact form factor that fits well in standard industrial control enclosures.
- Weight: Approximately 400 g (0 lb 12.9 ounces), contributing to an overall lightweight design without sacrificing durability.
2.2 Electrical Performance
- Bus Architecture: Utilizes a high-speed parallel bus architecture for real-time data transfer. This design ensures rapid communication between modules, enabling fast response times in applications where timely data exchange is crucial, such as in high-speed production lines or real-time monitoring systems.
- Power Supply: Integrates a power supply bus that supports a nominal voltage of 24 V DC. It provides stable power distribution to all connected modules, with built-in protection mechanisms against overvoltage, undervoltage, and short circuits to safeguard module integrity.
- Electrical Isolation: Incorporates isolation between different module slots and power lines, minimizing electrical interference and enhancing the reliability of the overall system. This is especially important in industrial environments with high electromagnetic noise.
2.3 Compatibility
- Module Compatibility: Supports a wide range of Bachmann modules, including CPU modules (e.g., MPC240 for central control functions), I/O modules (such as DIO216 for digital input/output and PATI216 for temperature input), and communication modules (like SEM201 SERCOS Master Module for motion control communication). This broad compatibility allows for the creation of comprehensive, customized control systems.
- System Compatibility: Seamlessly integrates with other components of the Bachmann automation ecosystem, including HMIs (e.g., OT115/R) for operator interaction and backplane-compatible power supplies. This ensures a cohesive and interoperable system setup.
2.4 Operating Environment
- Operating Temperature: Can function in temperatures ranging from -40°C to +70°C. This wide temperature range makes it suitable for use in harsh industrial environments, such as outdoor installations, cold storage facilities, or high-temperature manufacturing processes.
- Storage Temperature: Has a storage temperature range of -40°C to +85°C, allowing for safe storage during periods of non-use or system upgrades.
- Relative Humidity: Operates reliably in relative humidity levels from 5% to 95% (non-condensing), ensuring stable performance even in humid industrial settings like food processing plants or coastal industrial facilities.
- Vibration & Shock Resistance: Designed to withstand vibrations of 10 - 500 Hz at 2 g acceleration (compliant with IEC 60068-2-6) and shocks of 30 g acceleration for 11 ms duration (IEC 60068-2-27). This rugged construction ensures that the backplane can maintain its integrity in environments with mechanical vibrations, such as those found in industrial machinery or transportation systems.
- EMC Compliance: Complies with EN 61000-6-2 (industrial immunity) and EN 61000-6-4 (industrial emissions) standards, protecting against electromagnetic interference and minimizing the backplane's own electromagnetic emissions, respectively.
3. Advantages & Features
- Flexible Modular Design: The four-slot configuration allows for easy system expansion or reconfiguration. Users can start with a basic setup and add more modules as their control requirements evolve, reducing initial investment costs and future-proofing the system.
- Easy Installation: The DIN rail mounting feature simplifies installation, making it accessible to technicians with varying levels of experience. This reduces installation time and associated labor costs, getting the system up and running quickly.
- Reliable Interconnection: The high-speed parallel bus and stable power supply ensure reliable communication and power transfer between modules. The electrical isolation and robust construction contribute to a long lifespan and minimize the risk of system failures due to electrical or mechanical issues.
- Broad Compatibility: Its ability to work with a wide range of Bachmann modules and system components enables the creation of highly customized control systems. This versatility makes it suitable for a diverse range of industrial applications, from simple control tasks to complex, multi-axis motion control systems.
- Harsh Environment Resilience: The wide temperature range, humidity tolerance, and vibration/shock resistance make the BS204 suitable for use in the most challenging industrial environments. It can operate reliably in conditions where other backplane modules might fail, ensuring continuous operation of the control system.
4. Application Fields
- Industrial Automation: In manufacturing plants, it can be used to connect PLC controllers, I/O modules for controlling machinery, and communication modules for network connectivity. For example, in an automotive assembly line, it can link the CPU module that controls the overall production sequence with I/O modules that manage the operation of robotic arms and conveyor belts.
- Process Control: In industries such as chemical plants or oil refineries, the BS204 can be used to build control systems that monitor and regulate processes. It can connect temperature, pressure, and flow rate sensors (connected via appropriate I/O modules) to a CPU module for real-time process control and data logging.
- Building Automation: For controlling HVAC systems, lighting, and security systems in commercial buildings. The backplane can connect various modules, such as those for digital input/output to control relays for lighting and HVAC equipment, and communication modules to interface with a central building management system.
- Renewable Energy Systems: In wind farms or solar power plants, it can be used to build control systems for monitoring and controlling power generation equipment. For instance, it can connect the CPU module that manages the overall energy production strategy with I/O modules that monitor the status of solar panels or wind turbines and communication modules for sending data to a remote monitoring center.
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