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The ABB LD 810HSE EX is a rugged and dependable FOUNDATION™ Fieldbus linking device engineered to serve as a communication gateway between High-Speed Ethernet (HSE) networks and FOUNDATION Fieldbus H1 segments in industrial automation systems. Designed for distributed control systems (DCS) and fieldbus architectures, this module enables seamless data exchange, device configuration, and robust network communication across multiple field-level segments — improving integration of field instruments, controllers, and supervisory systems. With support for redundancy and efficient process data handling, the LD 810HSE EX helps optimize system performance and uptime in complex automation environments.

Technical Specifications

Specification	Details
Brand	ABB
Model	LD 810HSE EX
Module Type	FOUNDATION Fieldbus Linking Device
Primary Function	Gateway between FF HSE (High-Speed Ethernet) and FF H1 networks
HSE Network Interface	1 × 10/100 Mbit/s (autosensing)
H1 Fieldbus Interfaces	4 independent H1 links (31.25 kbit/s)
Link Master / SM Time Publisher	Yes — for each H1 link
Power Supply	24 V DC (external)
Mounting	DIN-rail or panel mount
Dimensions (L × W × H)	105 × 100 × 35 mm (approx.)
Weight	0.25 kg (approx.)
Protection Rating	IP20 (installed inside enclosure)
Operating Temp. Range	Industrial ambient range
Redundancy Support	Yes — device can be configured in redundant pairs
Certifications	Registered CLASS 42c HSE profile

Recommended Related Models

ABB CI840A – Communication Interface Module for broader protocol support
ABB CI855 – FOUNDATION Fieldbus H1 interface module
ABB CI867 – PROFINET IO adapter
ABB DSQC 336 – High-Speed fieldbus communication interface

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Applications

The LD 810HSE EX is suited for industrial environments that require efficient and reliable field device communication:

Process control systems in chemical, oil & gas, and petrochemical plants
Distributed control networks within power generation and utilities
FOUNDATION Fieldbus H1 device integration with Ethernet-based DCS
Real-time data acquisition, diagnostics, and asset management
Redundant fieldbus configurations for high-availability operations

Advantages

Seamless Protocol Bridging
Acting as a transparent gateway, it bridges HSE and H1 protocols, allowing supervisory systems to configure, monitor, and control field devices directly.

Multi-Link Support
Up to four independent H1 links can be managed concurrently, each acting as a Link Active Scheduler (LAS) — ensuring smooth device scheduling and communication.

Redundancy Ready
Supports redundant installation for critical systems where high availability and automatic failover are required.

Efficient Data Exchange
Enables republishing of process data between H1 links and between H1 and HSE, facilitating centralized control and real-time integration.

Compact, DIN-Rail Installation
Space-efficient mechanical design simplifies installation within standard control cabinets.

Technical FAQs

What is the primary purpose of the ABB LD 810HSE EX?
It’s a FOUNDATION Fieldbus linking device that connects H1 fieldbus links to an HSE Ethernet network for distributed control integration.
How many H1 links does it support?
Up to 4 independent H1 links — each with LAS scheduling and device management.
What communication speeds are supported?
High-Speed Ethernet at 10/100 Mbit/s for HSE connectivity.
What power supply does it require?
Standard 24 V DC external supply.
Is it suitable for redundant networks?
Yes — it supports redundant configurations for high-availability architectures.
Can it republish data between links?
Yes — process data can be republished between H1 links and between H1 and HSE.
What protection rating does it have?
Designed for IP20 installation inside industrial control cabinets.
How is it mounted?
Suitable for DIN-rail mounting in automation panels.
Is it compatible with ABB 800xA or similar DCS systems?
Yes — routinely used with ABB’s distributed control environments that support FOUNDATION Fieldbus.
Why choose the LD 810HSE EX?
It provides robust fieldbus bridging, redundancy support, and multi-link connectivity, making it ideal for complex industrial automation networks where reliable, real-time communication is required.