Start-stop system with combined alarm system for diesel engines
AHD 514 A is a microprocessor-controlled device for starting and stopping drive diesel engines with all necessary monitoring functions, including auto stop 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
6 analog inputs (4 — 20 mA)/binary for status messages and alarms
6 analog inputs (Pt100/Pt1000)/binary for status messages and alarms
Analog inputs can be parameterized
2 binary inputs, wire-break-monitored
8 binary inputs for control functions (remote start/stop, alarm confirmation, overspeed test, etc.)
2 binary inputs for monitoring fuse/alternator
8 relay outputs, 6 A, potential-free, for starter relays, motor control and alarm outputs
2 transistor outputs, 8 A, wire-break-monitored and short-circuit-proof, for motor stop
1 analog output (4 — 20 mA/1 — 5 V DC/2 — 10 V DC)
24 V DC power supply +30%/-25%
Integrated alarm and event memory for logging up to 10000 alarms and events, retrieving data via PC software
2 CAN bus interfaces for data communication with AHD 514 S safety system and AHD 514 OP display and control unit and, if applicable, an external alarm system
1 RS232 interface (9-pin Sub-D) for fault diagnosis/log readout/firmware update
1 serial input (optical coupler) e.g. for control inputs of an external data station
2 serial outputs (optical coupler) e.g. for external relay or display unit
