ALSTOM DB-5 Multi-Protocol Data Buffer & Conversion Module
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ALSTOM DB-5 Multi-Protocol Data Buffer & Conversion Module
The ALSTOM DB-5 functions as a multi-protocol data buffer and conversion module, serving as a bridge between diverse industrial devices and control networks. It supports up to 8 input channels, accepting a mix of analog (4–20mA, 0–10V) and digital (dry contact, NPN/PNP) signals. These signals are buffered internally, ensuring that even if the network experiences brief outages, data is not lost—instead, it is stored temporarily (up to 10,000 data points) and transmitted once connectivity is restored.
Model Number DB-5
Brand ALSTOM
Type Multi-Protocol Data Buffer & Conversion Module
Input Voltage 24 VDC ±15% (redundant power inputs available)
Operating Temp Range -30°C to +65°C (suitable for indoor and protected outdoor installations)
Mounting Style DIN rail (35mm) with EN 50022 compliance
Dimensions 35mm x 120mm x 110mm (W x H x D) (compact design for panel mounting)
Weight 180g
Interface/Bus 8 input channels (4 analog, 4 digital); Ethernet/IP, Modbus TCP, Profibus DP
Compliance IEC 61010-1, IEC 61800-3, CE, UL 508
Supported Protocols Profibus DP V0/V1, Modbus RTU/TCP, Ethernet/IP, BACnet (optional)
Typical Power Draw 3.5W (without redundant power active)
The ALSTOM DB-5 functions as a multi-protocol data buffer and conversion module, serving as a bridge between diverse industrial devices and control networks. It supports up to 8 input channels, accepting a mix of analog (4–20mA, 0–10V) and digital (dry contact, NPN/PNP) signals. These signals are buffered internally, ensuring that even if the network experiences brief outages, data is not lost—instead, it is stored temporarily (up to 10,000 data points) and transmitted once connectivity is restored.
DB-5
What distinguishes the ALSTOM DB-5 is its protocol conversion capability. It can translate between legacy protocols (such as Profibus DP V0) and modern standards (Ethernet/IP, Modbus TCP), enabling seamless communication between new and old equipment. For example, it can take data from a Profibus-based pressure transmitter and convert it to Ethernet/IP for a PLC that only supports that protocol. The module also features configurable data polling rates, allowing engineers to prioritize critical signals (e.g., emergency stop status) with faster update intervals, while non-essential data (e.g., ambient temperature) is transmitted less frequently to reduce network load.
DB-5
Main features and advantages:
The ALSTOMDB-5 delivers tangible benefits through its ability to enhance data reliability and network efficiency. By buffering data during network outages, it prevents gaps in process history—critical for compliance in industries like pharmaceuticals, where regulators require complete data trails. Its protocol conversion feature eliminates the need for expensive gateway hardware, reducing both upfront costs and potential failure points in the system.
In terms of operational efficiency, the module’s configurable polling rates optimize network bandwidth. In a water treatment plant, for instance, it can prioritize data from level sensors in chemical storage tanks (updated every 100ms) while transmitting data from flow meters in non-critical pipelines every 500ms. This ensures that the network remains responsive even during peak load times. The ALSTOMDB-5 also includes built-in diagnostics, such as signal strength indicators and network error logs, making it easy to troubleshoot communication issues without specialized tools.
DB-5
Technical specifications:
Model Number DB-5
Brand ALSTOM
Type Multi-Protocol Data Buffer & Conversion Module
Input Voltage 24 VDC ±15% (redundant power inputs available)
Operating Temp Range -30°C to +65°C (suitable for indoor and protected outdoor installations)
Mounting Style DIN rail (35mm) with EN 50022 compliance
Dimensions 35mm x 120mm x 110mm (W x H x D) (compact design for panel mounting)
Weight 180g
Interface/Bus 8 input channels (4 analog, 4 digital); Ethernet/IP, Modbus TCP, Profibus DP
Compliance IEC 61010-1, IEC 61800-3, CE, UL 508
Supported Protocols Profibus DP V0/V1, Modbus RTU/TCP, Ethernet/IP, BACnet (optional)
Typical Power Draw 3.5W (without redundant power active)
Contact Us Phone:+86 16626708626 WeChat/WhatsApp:+86 16626708626 Email: 3772179818@qq.com
DB-5
Application areas:
The ALSTOMDB-5 delivers tangible benefits through its ability to enhance data reliability and network efficiency. By buffering data during network outages, it prevents gaps in process history—critical for compliance in industries like pharmaceuticals, where regulators require complete data trails. Its protocol conversion feature eliminates the need for expensive gateway hardware, reducing both upfront costs and potential failure points in the system.
In terms of operational efficiency, the module’s configurable polling rates optimize network bandwidth. In a water treatment plant, for instance, it can prioritize data from level sensors in chemical storage tanks (updated every 100ms) while transmitting data from flow meters in non-critical pipelines every 500ms. This ensures that the network remains responsive even during peak load times. The ALSTOM DB-5 also includes built-in diagnostics, such as signal strength indicators and network error logs, making it easy to troubleshoot communication issues without specialized tools.
DB-5
Related products:
DB-3 – 4-channel compact version of the DB-5, ideal for small-scale installations with limited I/O needs.
DB-7 – 16-channel high-capacity model, designed for large industrial plants with extensive sensor networks.
DB-5R – Redundant version with dual processors and power supplies, suitable for safety-critical systems (SIL 2).
DB-5-PRO – Enhanced model with advanced analytics, including trend detection and anomaly alerts.
DB-5-EXT – Expansion module adding 8 more input channels, compatible with the DB-5 for scalable systems.
GW-AL-100 – Companion gateway for wireless connectivity (Wi-Fi, cellular) when paired with the DB-5.
DB-5-CAL – Calibration tool specific to the DB-5, ensuring accurate signal conversion and buffering performance.
Installation and maintenance:
Installing the ALSTOM DB-5 requires careful attention to wiring and network configuration. For analog signals, use shielded twisted-pair cables and ground the shield at both ends to minimize noise. When connecting to Profibus networks, ensure the module’s bus termination is set correctly (via internal DIP switches) to prevent signal reflections. For redundant power setups, connect two separate 24VDC supplies to the module’s dual inputs—this ensures uninterrupted operation if one supply fails.
Before deployment, verify that the module’s firmware is up to date to support the latest protocol versions (e.g., Modbus TCP with security extensions). Configure data buffer settings based on expected network outage durations—for example, in a plant with frequent brief outages, set a 5-minute buffer to avoid data loss.
Ongoing maintenance for the ALSTOM DB-5 is straightforward but critical. Check the module’s status LEDs weekly: a steady green LED indicates normal operation, while a flashing red LED signals a fault (e.g., power loss, buffer full). Inspect terminal blocks quarterly for corrosion, especially in humid environments like food processing plants. Annually, use the DB-5-CAL tool to verify signal conversion accuracy—this ensures that analog signals are translated within ±0.1% of their true value, maintaining process control precision.
WhatsApp: +86 16626708626
Email: 3772179818@qq.com
Phone: +86 16626708626
