Overview

The Böning AHD-DPU 9 collects and processes signals from equipment throughout a vessel, bringing measurement, performance, status and alarm information into a ship-wide Böning system. Typical sources include engines, generators and ship alarm systems. Processed information is distributed to external displays and control units rather than remaining isolated at each individual source.

Processing and event history

Built-in mathematical and logical operations provide PLC functionality. The station can process watch-standby states as well as alarm and status messages, and can serve as a configurable watch standby system. Its internal memory holds up to 16,000 events for local backup; stored events can be retrieved through the visualisation system.

I/O and visualisation

Twenty-eight configurable binary connection ports support optocoupler, serial or static operation. The datasheet lists AHD-PS 15, AHD-PS 30, AHD-PS 47 and AHD-R101-2 as connection examples. Direct potential-bound inputs use the same supply voltage as the AHD-DPU 9. Ethernet-connected visualisation supports up to six monitors. The manufacturer also describes the station as capable of fulfilling functions of AHD-UCC, AHD-UIC and AHD 882.

Communication interfaces

Six galvanically isolated CAN interfaces with termination and address settings.
One RJ45 LAN interface, 10/100 Mbit/s.
One optically isolated RS232/RS485 serial interface.
Two further optically isolated serial interfaces, switchable between RS232, RS485 and RS422, with switchable termination.
Four optocoupler inputs for alarm acknowledgement or optional special functions.
Five galvanically isolated relay outputs: two 2-pin contacts and three 1-pin contacts. Maximum specified switched power: 30 W (1 A / 30 V DC).

Technical specifications

Manufacturer part number: 15129V02.
Power supply: 24 V DC, +30%/−25%.
Current consumption: approximately 170 mA at 24 V DC.
Operating temperature: −30 to +70 °C.
Storage temperature: −50 to +85 °C.
Protection rating: IP20.
Dimensions: 188 × 126 × 63 mm.
Weight: approximately 0.7 kg.
Minimum compass clearance: 0.55 m to a standard magnetic compass and 0.40 m to a steering magnetic compass.

Approvals

Manufacturer-listed approvals: DNV, LR, CRS, RS and NMEA 2000. Linked documents also include ABS Product Design Assessment and RINA type-approval material. The documented equipment and installation scope applies.

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