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Bachmann DPM200 DP Master Module
1. Product Description
The Bachmann DPM200 is a high-performance PROFIBUS® DP master/slave module designed for seamless fieldbus communication within industrial automation systems. It serves as a crucial link between controllers (such as Bachmann's M1 series) and various slave devices, enabling real-time data exchange and control. With its ability to operate in master, slave, or combined master/slave modes, it offers great flexibility for multi-master network setups. The module also features configurable consistency locks for data blocks, enhancing data integrity during transmission.
2. Detailed Specifications
2.1 Fieldbus Performance
- Transfer Rate: Adjustable from 9.6 kbaud to 12 Mbaud, adapting to different network requirements. High transfer rates like 12 Mbaud are ideal for applications demanding rapid data transfer, such as high-speed manufacturing lines.
- Slave Capacity: Can support up to 32 slaves without a repeater. When repeaters are used, this number can be extended to 125 slaves, making it suitable for large-scale industrial installations where numerous sensors, actuators, and other slave devices need to be connected.
2.2 Process Data
- Process Image Size: Features a large process image of 8 kb x 16 DPM. This substantial size allows for efficient handling of a large amount of data, which is beneficial for complex industrial processes.
- Per-Slave Data Length: Each slave can handle up to 732 bytes of data, ensuring sufficient data exchange capacity for various types of slave devices.
- Shared Memory: There is 8 kb of shared memory dedicated to the process data image, facilitating smooth data access and management within the system.
2.3 Interfaces
- Connector Type: Equipped with two 9-pin D-sub female connectors with RS485 signal level. These connectors are widely used in industrial settings for their reliability and compatibility.
- Pin Assignment: The pin assignment strictly complies with EN 50170 standards, ensuring easy integration and interoperability with other PROFIBUS® - compliant devices.
- Isolation: Galvanic isolation of 500 V exists between the fieldbus and the controller. This isolation helps protect the module and connected devices from electrical interference and potential damage.
2.4 Electrical Characteristics
- Power Supply: Operates at 5 VDC, with a current consumption of 400 mA. This power requirement is designed to be energy - efficient while still providing the necessary power for the module's operations.
2.5 Operating Environment
- Operating Temperature: Can function within a temperature range of -25°C ~ +70°C. This wide temperature range makes it suitable for use in diverse industrial environments, from cold storage facilities to hot manufacturing plants.
- Relative Humidity: Supports a relative humidity range of 5% ~ 95% (non - condensing), ensuring stable performance even in humid conditions.
- EMC Compliance: Complies with relevant EMC standards, such as EN 61000 - 6 - 2 for industrial immunity and EN 61000 - 6 - 4 for industrial emissions. This compliance guarantees that the module can operate in noisy industrial environments without interference issues.
2.6 Physical Dimensions
- Size: Compact dimensions of 140×75×28 mm (Length×Width×Height) make it easy to install in control cabinets, even in space - constrained environments.
- Mounting: Designed for DIN rail mounting, following the EN 50022 standard, which is a common and convenient mounting method in industrial applications.
- Weight: Approximately 200 g, which is lightweight, contributing to easy handling and installation.
2.7 Mechanical & Electrical Features
- LED Indicators: Features status LEDs for power, communication, and slave connection. These LEDs provide quick visual feedback on the module's operational status. For example, a green power LED indicates normal power supply, while a flashing communication LED shows active data transfer.
3. Advantages & Features
- Flexible Operating Modes: The ability to function as a DP master, DP slave, or combined master/slave makes it adaptable to a wide range of network topologies. This flexibility is especially useful in complex industrial setups where different communication requirements exist.
- High Slave Capacity: With support for up to 125 slaves (with repeaters), it can manage large - scale distributed systems. This reduces the need for multiple master modules in extensive industrial installations, simplifying system architecture and reducing costs.
- Configurable Consistency Locks: These locks ensure data integrity in data blocks during transmission. In industrial processes where accurate data is crucial, such as in safety - critical applications or high - precision manufacturing, this feature is invaluable.
- Galvanic Isolation: The 500 V isolation between the fieldbus and controller protects the module and connected devices from electrical interference and voltage spikes. This isolation enhances the reliability and lifespan of the module in harsh industrial electrical environments.
- Wide Temperature Range: The ability to operate from -25°C to +70°C allows it to be used in extreme environmental conditions. This makes it suitable for applications in regions with harsh climates or in industrial processes with significant temperature variations.
4. Application Fields
- Industrial Automation in Manufacturing: In automotive manufacturing plants, it can connect programmable logic controllers (PLCs) to various robotic arms, conveyor belts, and sensors. For example, it enables real - time control of robotic arms' movements based on sensor feedback, ensuring precise and efficient production processes.
- Process Control in Chemical Plants: In chemical plants, it can be used to connect controllers to flow meters, pressure sensors, and control valves. This allows for accurate monitoring and control of chemical processes, ensuring safety and product quality.
- Power Generation and Distribution: In power plants, it can link control systems to generators, transformers, and switchgear. For instance, it helps in monitoring the status of generators and controlling the distribution of power based on demand, ensuring stable power supply.
- Building Automation Systems: In large commercial buildings, it can connect building management systems (BMS) to lighting systems, HVAC (Heating, Ventilation, and Air Conditioning) units, and security sensors. This enables centralized control and monitoring of building services, improving energy efficiency and occupant comfort.
5. Precautions
- Mount the module on a DIN rail following the EN 50022 standard. Ensure proper alignment during installation to avoid any damage to the module's connectors.
- Keep the module away from sources of strong electromagnetic interference, such as high - voltage motors or transformers.
- When configuring the module as a master or slave, carefully set the appropriate communication parameters. Incorrect parameter settings can lead to communication failures.
- Use Bachmann's recommended configuration software to set the consistency locks for data blocks according to the specific requirements of the application.
- Use shielded cables for connecting the module to other devices. Ground the shields properly at both ends to minimize electromagnetic interference.
- Ensure that the cable connections to the 9 - pin D - sub connectors are secure. Loose connections can cause intermittent communication problems.
- Regularly check the status LEDs to monitor the module's operation. If any abnormal status is indicated, troubleshoot immediately.
- Periodically clean the module to remove dust and debris, which can affect its performance over time. Use a dry, soft brush for cleaning.
- Do not attempt to disassemble the module. Disassembly may void the warranty and can cause irreparable damage to the module.
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