Справочное Руководство для LXE 1280

106

Message Format

LDS Plus Reference Guide

E-SW-LDSPLUSRG-G

Start of Line (SOL)

The start of line character (SOL) is the less than sign < that indicates the beginning of the
message.

Note: This character is always the first character of a message, whether the message is

inbound, outbound or a protocol message.

The message format below highlights the location of the start of line character:

SOL

ID1 ID2

TYPE

CTRL

N/EF

SEQ

TEXT

EOL

Figure 4-2 Outbound Start of Line Character Placement

The following is an example of an inbound message showing a start of line character < :

Start of line.

14M@11)C

Figure 4-3 Inbound Message with SOL Character

Note:

This character must never appear any place else in the data stream.

The next character, after the SOL character, in all message formats is ID1.