| 39
Wiring | AP70/AP80 Installation Manual
External system selection
Connects to: SD80 board (in SD80, AC80S or AC85 Computer ) or AD80 board (in AD80,
AC80A or AC85 Computer).
The system select (Sys sel) input signal can be used to alternate between the vessel’s own
manual steering system and the autopilot system from an external system selector. Refer to
IMO resolution MSC 64, sec. 4.
A closing contact between the SYSSEL and RET terminals will disengage the autopilot from
the vessel’s steering system. The disengaged status will shown on the autopilot display.
When the contact is re-opened, the autopilot will go to AUTO mode with current compass
heading as set heading.
¼ Note: The autopilot will always return to AUTO mode, even if it was in NoDrift or NAV mode.
AD80/SD80 BOARDEXTERNAL
SYSTEM SELECTOR
AD80/SD80,
AC80S or AC85
Computer
SYSSEL
RET
MODE
MANUAL
AUTOPILOT
SYSSEL
RET
External mode selection - pulse
Connects to: SD80 board (in SD80 or AC85 Computer ) or AD80 board (in AD80A or AC85
Computer).
External mode selection can be arranged with push buttons as shown in the figure below.
The two push buttons will have similar function as the STBY and AUTO keys on the AP70 and
AP80 control units.
AD80/SD80 BOARDPART OF
EXTERNAL
MODE SELECTOR
AD80/SD80,
AC80S or AC85
Computer
To Next Page
Loading...
Need help?
General
