ABB LD800HSE Fieldbus Linking Device

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ABB LD800HSE

ABB LD800HSE is a FOUNDATION Fieldbus Linking Device designed to connect FOUNDATION Fieldbus H1 field networks with a High-Speed Ethernet (HSE) backbone. It is commonly used in ABB System 800xA process control environments to integrate field instruments and devices into higher-level automation systems.

Typical Part Numbers:

• LD800HSE
• 3BDH000320R02 (commonly referenced version)
• 3BDH000320R0101 (variant reference)

Product Description

The ABB LD800HSE acts as a communication gateway between:

• FOUNDATION Fieldbus H1 links (field level)
• FOUNDATION Fieldbus HSE Ethernet network (control system level)

It enables bidirectional data exchange between field devices and ABB control platforms, allowing process variables, alarms, events, and device information to be transmitted through the automation network.

Technical Features

• Manufacturer: ABB
• Product Type: FOUNDATION Fieldbus Linking Device
• Communication Protocol: FOUNDATION Fieldbus HSE / H1
• Network Interface: High-Speed Ethernet (HSE)
• H1 Connections: Supports connection of up to four independent H1 links
• Functionality:
  • H1 to HSE gateway communication
  • Process data forwarding between H1 and HSE networks
  • Device identification and configuration through HSE
  • Alarm and event transmission
  • LAS (Link Active Scheduler) functionality for H1 segments

System Compatibility

The LD800HSE is mainly applied in:

• ABB System 800xA DCS
• ABB AC 800M controller systems
• FOUNDATION Fieldbus based process automation networks

It can work together with ABB communication modules such as CI860 FOUNDATION Fieldbus HSE Interface to provide access to FOUNDATION Fieldbus process data within AC 800M controller applications.

Application Areas

ABB LD800HSE is widely used in:

• Oil & Gas processing plants
• Power generation facilities
• Chemical and petrochemical industries
• Water treatment systems
• Pharmaceutical production
• Continuous process automation applications

Typical connected devices include:

• Pressure transmitters
• Temperature transmitters
• Flow meters
• Valve positioners
• FOUNDATION Fieldbus smart instruments

Advantages

• Seamless integration of FOUNDATION Fieldbus devices into ABB DCS systems
• Reduces complex field wiring requirements
• Supports centralized device management
• Improves diagnostic and maintenance capabilities
• Suitable for redundant automation architectures

Conclusion

The ABB LD800HSE is a key communication component for ABB System 800xA FOUNDATION Fieldbus solutions. It provides reliable H1-to-HSE connectivity, enabling intelligent field devices to communicate efficiently with modern industrial control systems. It is an important module for process industries requiring advanced fieldbus integration and reliable plant automation.