MCP - Outputs
Page 40 of 80
not the active mode of steering control. This allows the operator to see
and modify the commanded rudder position prior to activating that mode of
steering control.
See also: 2.3.3
Analog FFU Command Device #1
Specifications
Signal Format .............................. Differential voltage
Max. Output Voltage .................... ±500 mV
Max. Output Current .................... ±20 mA
Connector ....................................3.81mm pitch pluggable screw terminals
Installation
If the analog FFU device #1 rudder order indication is backwards reverse
+/-ROI leads at the indicator.
Commissioning
Rudder order indicators connected to this output will require an adjustment
to ensure that the indicator reads the proper port and starboard hard over
angles as well as the zero degree midship position. The procedure for
making this adjustment through the DSC Setup Software is described in
section 4.1.2
or through the keypad setup in section 4.2.5.
2.4.4 Digital Device Rudder Order Indicator
Description
This output displays the current rudder position command present at the
FFU Digital Command Device. Upon selecting the digital device as the
active mode of steering control, the system initializes the current rudder
position as the starting rudder command. Therefore, prior to selecting the
digital device as the active mode of steering control, this output will display
the actual position of the rudder. After initialization, the digital rudder
order indicator will display the position commanded by the digital device.
This arrangement will allow a single indicator to act as a rudder angle
indicator and a rudder order indicator. Although, this output does not
provide independent rudder angle indication as is required by
classification.
Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual
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