Raymarine NMEA Multiplexer Especificaciones descargar pdf (Pagina 25)

Sentence Filtering & Routing

The Sentence Filtering & Routing feature is the most powerful feature of the MiniPlex. It allows you

to filter and route NMEA sentences based on the Address Field of an NMEA sentence (the ‘GPRMC’

part) and optionally reduce the rate of the sentence. Sentences can be passed or blocked, specified

by input (filtering) and they can be forwarded to specific outputs (routing). Up to 50 rules can be

entered, either manually or by capturing the NMEA sentences received by the multiplexer on its

inputs.

Each filter/routing rule in the list consists of the Address Field of an NMEA sentence, checkboxes to

specify the source inputs and destination outputs and a divisor factor to reduce the sentence rate.

The buttons on the right allow you to modify the list and to store it into the multiplexer.

Editing the list

It is important to know that all modifications and additions are made to the list that is loaded in

MPX-Config. The current list is automatically loaded when you connect to the multiplexer or when

you click on the Read Configuration button. After editing, the list must be stored in the

multiplexer to be effective.

The Filter & Routing list contains the following columns:

Inputs:

H: This input represents the combined input from the host interfaces.

1-4: NMEA inputs 1 to 4.

C: NMEA Conversion results.

Sentence: The Address Field of an NMEA sentence. This fully specifies the type of NMEA sentence

to be filtered/routed. A ‘-’ will match any character. If for instance ‘--GLL’ is entered,

any sentence that ends on GLL will match, regardless of the first two characters (the

Talker ID). A ‘P----’ will match on every proprietary sentence starting with $P.

The Sentence field must contain 5 characters

Div: Divisor field. A number from 0 to 99 will divide the sentence rate by the number

entered. If this field contains a divisor of 5 for instance, every fifth occurrence of this

sentence will be passed.

Outputs:

1,2: NMEA outputs 1 and 2.

PC: The ‘wired’ host connection of the multiplexer (RS-232, USB, Ethernet).

W: The wireless host connection of the multiplexer (WiFi, Bluetooth).

Clicking on a checkbox changes its state from checked to unchecked and vice versa. This

determines whether a sentence is passed (checked) or blocked (unchecked). The Sentence and

Divisor fields can be edited by selecting it with the cursor. Edit mode is entered in several ways:

● Press function key ‘F2’ on your keyboard. This enters Edit mode with the cursor at the end of

the text. Move the cursor around with the mouse or arrow keys.

● Press Enter or click with the cursor: This enters Edit mode with the text selected and the cursor

at the end. Any character or number that is typed now will erase the existing text entirely

unless the cursor is moved around with the mouse or arrow keys. This will unselect the text.

● Double-click on the entry. This enters Edit mode the same way as pressing Enter or clicking it

for the second time.

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Raymarine NMEA Multiplexer Especificaciones Pagina 25