ABB PL810 3BDH000311R0101 Power Link Module

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Product Model

ABB PL810 Power Link Module (Ordering No. 3BDH000311R0101)

Product Overview

The ABB PL810 module is a Power Link Module designed for the LD 800P linking device in automation systems. It bridges PROFIBUS DP (or an upper-level network) with a PROFIBUS PA field bus segment, supplying the PA devices with power and handling the communication link. The module itself does not perform logic processing but acts as a power-and-link interface.

Technical Specifications (Typical)

• Model: PL810 / 3BDH000311R0101

• Type: Power Link Module for PROFIBUS PA

• Communication Protocol: PROFIBUS PA output at 31.25 kbit/s according to EN 50170/2 and IEC 61158-2

• Max PA devices per segment: up to 32

• Supply Voltage: Nominal 24 V DC (range ~20…35 V DC)

• Nominal Current (PA side): < 400 mA

• Isolation Voltage: Designed 50 V eff between CH/DP, PA/Power, etc.

• Certification: Suitable for Zone 2 installation (when used in hazardous areas)

• Dimensions: approx. 80 × 115 × 107 mm; Weight: ~0.32 kg

• Termination: Integrated PA bus 100 Ω terminator; Removable terminal blocks

Key Features & Advantages

• Purpose-built for PROFIBUS PA linking: Simplifies field-bus integration between control system and field devices.

• Plug-and-play: No configuration required for the PL810 module.

• Compact & reliable design: Combines power supply and communication link in a single module.

• Industrial ready: Compatible with Zone 2 environments and designed for harsh field conditions.

• Ease of maintenance: Modular design, removable terminals, easy replacement in the field.

• System compatibility: Works with LD 800P linking system and head stations such as HS 810/HS 820/HS 840.

Application Areas

• PROFIBUS DP to PROFIBUS PA linking in industrial automation

• Fieldbus networks in chemical, oil & gas, power, metallurgy industries

• DCS systems interfacing instrumentation networks

• Field device (sensor/actuator) power and communication bridging modules

Precautions

1. Ensure a compatible head station (HS 810, HS 820, or HS 840) is installed; PL810 cannot act alone as head station.

2. Always install or remove module with power off to avoid damage or safety risks.

3. Verify supply voltage is within the specified range (20–35 V DC) and that PA segment load current is within capacity.

4. Install in compliance with EMC requirements (NAMUR NE 21) for fieldbus systems.

5. For installation in hazardous Zone 2 areas, comply with relevant safety standards (e.g., ATEX).

6. Periodically inspect terminal connections and thermal conditions for reliable long-term operation.

The structure and details of the product：

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