ABB TB840A 3BSE037760R1 Modulebus Cluster Modem Module

Overview
The ABB TB840A 3BSE037760R1 is a Modulebus Cluster Modem designed for reliable and efficient data transmission in industrial automation applications. It utilizes the RS-485 communication protocol to connect multiple Modbus devices within a single network, enabling seamless data exchange and control between various industrial equipment.

Features

• Robust Modbus Communication: The TB840A effectively handles Modbus RTU and Modbus ASCII protocols, ensuring compatibility with a wide range of Modbus devices.
• Multi-drop Network Support: It facilitates the creation of extensive Modbus networks, connecting up to 32 devices on a single RS-485 bus segment.
• Long Distance Communication: The TB840A extends the reach of Modbus networks, supporting communication distances of up to 1200 meters (3937 feet).
• Electrical Isolation Protection: It provides galvanic isolation between the RS-485 bus and the internal circuitry, safeguarding devices from electrical hazards and ground loop interference.
• DIN Rail Mounting: The TB840A features a DIN rail mount design, enabling easy installation and integration into industrial control panels.

Technical Specifications

• Communication Protocol: Modbus RTU, Modbus ASCII
• Network Topology: Multi-drop RS-485
• Maximum Number of Nodes: 32
• Communication Distance: Up to 1200 meters (3937 feet)
• Baud Rate: Up to 115200 bps
• Data Bits: 8
• Parity: None, Odd, Even
• Stop Bits: 1, 2
• Electrical Isolation: 2500 V RMS
• Power Supply: 24 VDC
• Operating Temperature: -40°C to +70°C (-40°F to +158°F)
• Storage Temperature: -40°C to +85°C (-40°F to +185°F)
• Humidity: 0% to 95% RH, non-condensing
• Dimensions: 96 mm x 119 mm x 54 mm (3.78 in x 4.69 in x 2.13 in)
• Weight: 0.2 kg (0.44 lbs)

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