29
8018478/YWL5/2018-06| SICK
O P E R A T I N G I N S T R U C T I O N S | NAV245
Subject to change without notice
PRODUCT DESCRIPTION
3
3.8.2
Communicating data via telegrams
The NAV245 sends telegrams over the interfaces described above to communicate with a
connected vehicle computer. The following functions can be carried out with telegrams:
•
Setting parameters via the automated guided vehicle's computer to configure the
NAV245
•
Retrieving parameters and status protocols via the automated guided vehicle's computer
•
Requesting landmark positions (incl. the contour measured value if necessary) via the
automated guided vehicle's computer, subsequent answer from the NAV245
Fig. 18: Landmark position request
The telegrams each comprise a frame (see section “Frame and coding for the telegrams”
on page 29) and the data.
Frame and coding for the telegrams
Table 7: Frame for the telegrams with ASCII coding
A detailed description of the different telegrams can be found in “Telegram listing NAV245”,
part no.: 8018823.
Reply
Landmark positions
Request
Landmark positions
Frame
Telegram
Frame
Designation
STX
Data (see “Telegram listing NAV245”,
part no.: 8018823)
ETX
Length (byte)
1
? 50 kB
1
Description
Start of text
character
ASCII-coded. This length depends on the
previous send telegram.
End of text
character
