AHD 882

Central Unit for Alarm and Monitoring Systems

Central unit AHD 882 is a microcontroller-operated device, designed for acquisition, processing and distribution of binary status data and analog limit values (alarms, events, messages, etc.). The data (e.g. measuring point data from sensors of a ship alarm, monitoring  and control system) is serially transmitted from decentralized connected external data acquisition stations and processing devices and is processed by integrated alarm, display and control management.

Product Features

  • Profile module for installation on standard profile rails in consoles, control panels or control cabinets
  • Degree of protection IP 20
  • 18 serial input channels for connection of external data acquisition devices
  • 16 serial output channels for connection of external indication and control devices
  • 2 CAN-bus interfaces
  • Processing and distribution of binary status data and analog limit values of up to 846 measuring points
  • Internal data memory for storage of last 10 000 recorded messages
  • RS232 interface for connection of alarm and event log printer resp. computer (creation and storage of alarm and event log files)
  • 5 group relay outputs
  • 1 configurable alarm relay output
  • 1 horn relay output
  • 2 acknowledgement inputs for acknowledgement of acoustic and optic alarm
  • 3 function inputs
  • Type approved by Germanischer Lloyd and Lloyd´s Register of Shipping (further approvals on demand)