ABB LD800HSEEX FOUNDATION Fieldbus Linking Device

Description

Technical Specifications

Power & Electrical

• Supply Voltage: 24 VDC (±20%)
• Current Consumption: Typical 200 mA
• Power Dissipation: Typical 4.8 W
• Isolation: Galvanic isolation between H1 ports and internal logic; transformer‑coupled H1 interfaces
• Protection: Over‑voltage, over‑current, and short‑circuit protection; IP20 ingress protection

Communication Interfaces

• HSE Ethernet Interface:
  • Ports: 1 × RJ45 (10BASE‑T/100BASE‑TX)
  • Data Rate: 10/100 Mbit/s (autosensing)
  • Protocol: FOUNDATION Fieldbus HSE (Class 42c compliant)
• H1 Fieldbus Interface:
  • Ports: 4 × independent H1 links (3‑pole pluggable screw terminals)
  • Data Rate: 31.25 kbit/s
  • Physical Layer: Profile Type 114, standard power signaling, separately powered
• Serial Interface: 1 × 9‑pin SubD male RS‑232 (115.2 kbit/s) for configuration and diagnostics

Mechanical & Environmental

• Dimensions: 47 × 131 × 111 mm (L × H × W) (DIN‑rail mounted)
• Weight: Approx. 0.4 kg
• Mounting: 35 mm DIN‑rail mounting (horizontal installation required)
• Operating Temperature: 0°C to +55°C
• Storage Temperature: -20°C to +70°C
• Relative Humidity: 0%–95% RH, non‑condensing
• Certifications: ATEX, IECEx (Zone 2 hazardous areas), CE, EMC compliance

Key Functional Features

Hazardous Area Compatibility

• ATEX and IECEx certified for safe operation in Zone 2 explosive gas atmospheres.
• Designed to meet strict safety standards for installation in potentially explosive industrial environments.

Redundant Operation Support

• Enables 1:1 redundant configuration with a second LD800HSEEX module.
• Dedicated redundancy link ensures seamless failover and continuous monitoring of redundant pairs.
• Eliminates single points of failure for critical communication paths.

Four Independent H1 Link Masters

• Acts as Link Active Scheduler (LAS) for up to four separate H1 fieldbus segments.
• Manages bus scheduling, data publishing, and device communication independently on each H1 link.
• Supports publish/subscribe communication with up to four sub‑cycles per H1 link.

Transparent Field Device Access

• Provides full, transparent access to all function blocks in connected H1 field devices from the host control system.
• Supports client/server communication for direct read/write operations to field device parameters.
• Enables centralized configuration, monitoring, and diagnostics of entire fieldbus networks.

High‑Speed Data Routing

• Efficiently routes process data, alarms, and diagnostics between H1 field devices and HSE‑based control systems.
• Supports data republishing between H1 links or from H1 to HSE networks for flexible system architecture.
• Maintains deterministic communication latency for real‑time process control.

Robust Isolation & Reliability

• Galvanic isolation on all H1 ports protects against ground loops and electrical noise.
• Industrial‑grade components ensure long‑term, 24/7 operation in harsh process environments.
• Comprehensive self‑diagnostics monitor communication health, port status, and module integrity.

Easy Configuration & Maintenance

• Configurable via ABB’s system tools (e.g., Control Builder, Fieldbus Manager) using standard FF protocols.
• Supports firmware updates via network download for easy maintenance and feature upgrades.
• Pluggable terminal blocks simplify installation, wiring, and module replacement.

Application Scenarios

Oil & Gas Industry

• Upstream Exploration & Production: Connects wellhead sensors, flow meters, and actuators in onshore/offshore drilling and production facilities.
• Midstream Pipelines: Integrates with pipeline monitoring systems, valve controls, and pump stations for long‑distance transport.
• Downstream Refining: Links process analyzers, pressure transmitters, and control valves in distillation and cracking units.

Chemical & Pharmaceutical Manufacturing

• Continuous Process Plants: Provides reliable communication for reactors, distillation columns, and separation systems in hazardous chemical production.
• Batch Processing: Supports recipe‑driven control and real‑time data acquisition in pharmaceutical and specialty chemical facilities.
• Hazardous Area Zones: Operates safely in Zone 2 areas with explosive or flammable materials.

Power Generation

• Thermal Power Plants: Interfaces with boiler controls, turbine instrumentation, and emissions monitoring systems.
• Renewable Energy: Connects solar inverter controls, wind turbine sensors, and grid synchronization equipment.
• Power Distribution: Integrates with substation automation and SCADA systems for grid monitoring.

Water & Wastewater Treatment

• Municipal Treatment Plants: Manages pump controls, flow meters, and water quality analyzers in purification and wastewater processing.
• Industrial Water Systems: Supports chemical dosing, filtration, and reuse systems in manufacturing facilities.

Pulp & Paper Manufacturing

• Process Control: Connects sensors and actuators in pulp cooking, bleaching, and paper machine control systems.
• Quality Monitoring: Integrates with online analyzers for real‑time product quality measurement.

Marine & Offshore

• Offshore Platforms: Provides communication for topside process control, subsea monitoring, and emergency shutdown systems.
• Shipboard Systems: Interfaces with marine propulsion, cargo handling, and safety systems in hazardous marine environments.

Mining & Metals Processing

• Mineral Processing: Connects crushers, mills, and flotation cell controls in mining operations.
• Smelting & Refining: Supports high‑temperature process monitoring and control in metal production facilities.