Based on your request, you're looking for the technical specifications of the ABB TB840 3BSE021456R1, which is the Modulebus Cluster Modem within the S800 I/O communication interface series. Here's what I found:

General:

• Product ID: 3BSE021456R1

• ABB Type Designation: TB840

• Catalog Description: Modulebus Cluster Modem

• Description: Optical cluster modem for 1+1 redundant operation. It connects the Modulebus of an S800 I/O system to a fiber optic cable, enabling communication between geographically distributed I/O stations.

Technical Specifications:

• Dimensions:
  • Depth: 16 cm (6.3 in)
  • Height: 15.7 cm (6.2 in)
  • Width: 8 cm (3.1 in)

• Weight: 0.272 kg (0.6 lb)

• Power Supply: 24 VDC

• Power Consumption: 10 W typical

• Communication Interface:
  • 2x Fiber optic ports (ST connectors) for connection to the optical ModuleBus
  • 1x ModuleBus (electrical) for connection to the I/O Modules

• Communication Speed: 10 Mbps

• Operating Temperature: -25°C to +55°C (-13°F to +131°F)

• Storage Temperature: -40°C to +85°C (-40°F to +185°F)

• Relative Humidity: 5 to 95%, non-condensing

• Protection Class: IP20

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