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Interfaceing EV 200 to older Raymarine Displays/ GPS
04-03-17, 12:52 PM
Post: #6
RE: Interfaceing EV 200 to older Raymarine Displays/ GPS
Walt,

Q1. I have pulled both Sea Talk plugs from the back of the ST60001+ head. That in turn should remove the old course computer from the network, correct?
A1. Possibly ... it depends upon how your vessel's SeaTalk bus as been cabled. For example, should the equipment have been installed in a daisy chain such that the ST6001+ was located between the SeaTalk to SeaTalkng Converter and the autopilot course computer, then the answer would be YES. However, should the equipment have been installed in a parallel manner or should the autopilot course computer be located between the ST6001+ and the SeaTalk to SeaTalkng Converter then the answer would be NO.

Q2. The provision for some autopilot course computers and some ACUs to supply power to a SeaTalkng backbone,
- power output may be more limited
- the autopilot course computer may not be located near the approximate mid-point of the backbone's LEN load
- the autopilot must be powered ON whenever communications between devices within the SeaTalkng network need occur and/or whenever devices designed to be powered via a SeaTalkng backbone need occur.

Please click here to view a FAQ addressing this subject. While it is technically possible for some autopilot course computers and ACUs to power a SeaTalk bus or SeaTalkng backbone, it is not considered to be a best practice to do so, as a single point failure (i.e. of the autopilot course computer or ACU) will result in loss of communications within the network and/or operation of devices designed to be powered via a SeaTalkng backbone or SeaTalk bus. Creation of multiple circuits as indicated within the referenced FAQ would also permit applications in which power consumption was a concern to easily switch unneeded components OFF while utilizing other components within the system.
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RE: Interfaceing EV 200 to older Raymarine Displays/ GPS - Chuck - Raymarine - Moderator - 04-03-17 12:52 PM

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