DSC- Serial Links
Page 11 of 80
The DSC to MCP communication cable must be RS-485 shielded, twisted
pair, communication cable with a controlled impedance of 120 Ohms,
Belden 9842 or equivalent.
Up to five MCP’s may be connected to each DSC. Additional MCP’s are
connected to the DSC using the following terminals:
MCP #2 connects to DSC terminals 48 to 52
MCP #3 connects to DSC terminals 26 to 30
MCP #4 connects to DSC terminals 53 to 57
MCP #5 connects to DSC terminals 31 to 35
Connection of additional MCP’s 2 through 5 will require the installation of
CAN I/O PCB’s (see item #11 in drawing 5.2
DSC 100 Assembly) at the
following locations:
MCP #2 requires CAN I/O PCB Assembly connected to J14
MCP #3 requires CAN I/O PCB Assembly connected to J17
MCP #4 requires CAN I/O PCB Assembly connected to J15
MCP #5 requires CAN I/O PCB Assembly connected to J18
Commissioning
Each MCP installed in the system must be enabled through the DSC and
then each enabled MCP requires information input as to the modes of
steering control and options available for each station.
For information regarding commissioning using the DSC Setup Software
see section 4.1.1
.
For information regarding commissioning using the keypad and display
screen see section 4.2.2
.
1.2.2 DSC To DSC Communications
Description
Two DSC’s can pass information between each other through an
additional communication channel. This communication channel is only
used when two Digital Steering Control systems need to share
information. Two systems may need to share information in an
independent rudder system using either digital FFU inputs or when the
autopilot interfacing is done in a master / slave arrangement. Use of this
communication channel requires a pluggable I/O circuit card to be
installed in the DSC’s inter-DSC communication slot to complete the
interface.
Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual
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