The control unit AHD 502 is a microprocessor-controlled device for operation and indication of measuring point data of power of a bow thruster, consisting of a 3-phase-asynchronous motor (slip-ring rotor) with fixed propeller. As a standard, control units are installed in wheelhouse control console (master control unit) and in wing control stands (slave control units) of the ship.
Product Features
Compact design for console, panel or switchbox installation
Front dimension 192mm x 144mm, insertion depth 45mm
Degree of protection IP 67
Weight approx. 1.0 kg
Power supply 24 V DC +30%/-25%
Current consumption max. 0.5 A
Identical construction of units, therefore easy spare part handling
Compact design and minimized demand of cabling
CAN-bus communication (3 x CAN) to control units in wing control stands and to central unit in power section
Simple operation of bow thruster, direct control of power stages by means of illuminated command push buttons
3,5” TFT colour display, transflective with backlight for display of all operating conditions, actual motor current as well as actual alarms, system menu
Automatic and adjustable illumination control
Acoustical and visual signalization of all alarms
Potential free contact outputs for common alarm and external horn
Integrated service menu for display of internal system condition, call of alarm log and programming of current limits
Power request to power management system by means of pushing “power request” with feedback signal input “power ready” (controlled by master unit)
Integrated push button “emergency stop”, emergency stop function even available in case of system breakdown by means of direct termination