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.
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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
