DSC - Outputs
Page 25 of 80
These output signals are only operational if the switched power signal is
applied to the DSC. Arranging the signals in this manner ensures that the
solenoids are only being energized when power steering is available. This
arrangement also causes manual steering to be automatically invoked
whenever power steering is not available.
See also: 2.3.5
Digital FFU Command Device
Specifications
Output Voltage............................. 12 or 24 VDC
Maximum Output Power .............. 48 W
Connector ....................................5.08mm pitch screw terminals
Installation
Digital Helm Manifold (DHM) solenoid valves are not fitted with all steering
systems. Only steering control systems using Jastram’s Digital Helm
Pump will include a DHM.
Refer to the steering gear hydraulic system and drawing 5.6
Digital Helm
& Manifold Hydraulic Schematic for information regarding the utilization of
this output.
Commissioning
There are no specific commissioning procedures associated with this
connection.
1.4.4 Autopilot Request
Description
The Autopilot Request signal is one half of the DSC / Autopilot handshake
which is designed to ensure that control will not be transferred unless both
systems agree. The other half of the handshake is the Autopilot
Acknowledge signal described in section 1.3.5
. The DSC will not move
the rudder in response to autopilot rudder commands until both the
request and acknowledge conditions have been met.
Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual
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