Start-stop system with combined alarm system for diesel engines
AHD 504 A is a microprocessor-controlled device for starting and stopping drive diesel engines with all necessary monitoring functions, including automatic stops at overspeed and individual adjustment to series from various engine manufacturers.
Module housing for installation on standard mounting rails in desks, consoles, control panels or control boxes
Protection class IP 20
1 speed input, galvanically isolated
11 analog inputs, configurable
3 binary inputs, wire-break-monitored
6 binary inputs for control functions (remote start/stop, alarm confirmation, overspeed test, etc.)
4 relay outputs, 3A, potential-free
1 transistor output, 8A, wire-break-monitored and short-circuit-proof
1 transistor output (32V/25mA)
24VDC power supply +30%/-25%
2 CAN bus interfaces for data communication (optional to external J1939 motor bus)
1 RS232 interface (9-pin Sub-D) for fault diagnosis/firmware update
1 serial input (optical coupler) e.g. for control inputs of an external data station
1 serial outputs (optical coupler) e.g. for external relay or display unit
