AHD 504 A

Start/Stop System with Combined Alarm System for Propulsion Diesel Engines

AHD 504 A is a microprocessor-controlled device for starting and stopping propulsion diesel engines, assuming control of all required monitoring functions, incl. automatic stop at overspeed, with individual adaption to type series of different engine manufacturers.

Product Features

  • Profile module for installation on standard profile rails in consoles, control panels or control cabinets
  • Degree of protection IP 20
  • 1 speed input, galvanically isolated
  • 11 analog inputs , configurable
  • 3 binary inputs, wire-breakage monitored
  • 6 binary inputs for control functions (remote start/stop, horn quit, overspeed test, etc.)
  • 4 relay outputs, 3A, potential free
  • 1 transistor output, 8A, wire-breakage monitored and short circuit-proof
  • 1 transistor output, (32V/25mA)
  • Power supply 24 V DC +30%/-25%
  • 2 CAN-bus interfaces for data communication (opt. to external engine bus J1939)
  • 1 RS232 interface (9-pole Sub-D) for fault diagnostics / firmware-update
  • 1 serial input (optocoupler), i.e. for control inputs of external data station
  • 1 serial outputs (optocoupler), i.e. for external relay or display unit
  • Connections via pluggable terminal lists