Telegram structure – BECKHOFF FC5101 User Manual
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NET-ID: PC AMS net ID.
PORT: 300
IDXGRP: IndexGroup is 0x5000 + Id (on the General tab for the FC510x monitor) of the FC510x monitor
IDXOFFS: IndexOffset is 0xFFFF0000 - 0xFFFF1FFF (bits 0-11: number of the first page to be read, bit 12 = 0:
only read full pages, bit 12 = 1: also read the last, incomplete, page if appropriate)
LEN: 0x1000 (1 page), 0x2000 (2 pages), 0x3000 (3 pages) or 0x4000 (4 pages) are permitted as the data
length
DATA: The corresponding pages are returned
Telegram Structure
The recorded telegrams have the following structure:
Offset
Description
0-2
Time stamp in 8/25 µs
3
0x00: Telegram, 0xFF: Error
4
COB-ID, Hi-Byte
5
COB-ID, Lo-Byte
6-13
The telegram's data