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AHD 414

Product catalog summary

Overview: The AHD 414 Start/Stop Diesel Monitoring Unit is a compact system designed for the starting, stopping, and monitoring of diesel generator sets. It is suitable for auxiliary diesel generator sets and emergency or smaller main engines, and is designed to meet the requirements of the classification society Bureau Veritas for shipbuilding.

Specifications:

Dimensions: 144 x 144 x 53 mm; Panel Cutout: 138 x 138 mm; Weight: approximately 0.5 kg.
Operating Temperature: -10°C to +55°C; Storage Temperature: -30°C to +85°C.
Protection Class: IP 20, IP 54 frontside with front cap.
Power Supply: 24 V DC (+30% / -25%); Maximum Current Consumption: 200 mA.
Inputs: 8 digital inputs including binary inputs and wire break monitoring.
Outputs: 7 relay contacts with various configurations for continuous and starting current.
Operation Elements: 4 shortstroke buttons for Start, Stop, Reset, and Test.
Indicator Lights: 12 LEDs for engine operation, alarm/status, and relay status.
Interfaces: 1 x TTY (optocoupler) for remote control.

Functional Features:

Pre-glow function, configurable start attempts, and engine frequency settings.
Operation modes include solenoid or operation solenoids, with configurable stop and delay times.
Wire break monitoring and operation-dependent alarm suppression.
Override function to suppress active stop criteria except for overspeed.

Mechanics and Configuration: The device consists of an electronics card with a processor system and peripheral parts, mounted on a front plate. It includes a removable aluminum plate for access to a programming chip (EPROM) for parameter modifications. Configuration is based on project-specific technical specifications and can be preconfigured or modified by the customer using an EPROM programming device.

Monitoring and Safety: The system monitors engine speed and other parameters during operation, alerting acoustically and optically to threshold violations. Overspeed results in an immediate stop. The wire break stop circuit is monitored with a test current, raising alarms if interrupted.

Catalog excerpts

AHD 414 Start/Stop Diesel Monitoring Unit Compact system with all necessary functions for starting, stopping and monitoring of diesel generator sets Panel installation in proven technology Designed for auxiliary diesel generator sets and emergency or smaller main engines Flexible and adjustable to application requirements Designed to meet the requirements of the classification society BV for ship b

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General Information Wire Break Encoder Line Stop Criteria The AHD 414 Start/Stop Diesel Monitoring Unit is a compact unit designed for starting, stopping and monitoring diesel engines. A number of individual functions allow adaptation to various situations. The device is designed for panel installation and constructed for auxiliary diesel generator sets and emergency or smaller main engines. Frontside keys allow simple and comfortable operation locally. Separate inputs exist for remote control (start and stop from the bridge). The encoder lines are tested by installing a Zener diode (type: ZD5,...

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Connection Diagram *) This diagram shows a typical configuration. The measuring points designations shown here can vary, depending on the function. For example, the input “Terminal 15” is often used for the override function. Böning Automationstechnologie GmbH & Co. KG • Am Steenöver 4 • D-27777 Ganderkesee • E-Mail:[email protected] • www.boening.com HoA-1029 V4 Rev.: Aug 31, 2020 • The manufacturer accepts no liability for possible errors contained in descriptions

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General Data Dimensions, WxHxD Panel Cutout Assembly Type, Housing • Panel installation housing, aluminum front with printed film Environmental Data 2 x relay contact, switched positive (K2: Starter; K3: Solenoid/Operating Solenoid), DC – 10 continuous current, DC 20 A starting current 3 x relay contact, switched plus (K1, K4, K5) DC - 2 A continuous current 2 x relay contact, potential free (K6, K7) DC - 2 A continuous current Operation Elements 4 Shortstroke Buttons Operating Temp. Indicator Lights Storage Temperature Protection Class Start, Stop, Reset and Test 1 x engine operation display...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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