Appendix
Englisch, Revision 14, Date: 07.02.2017
57
G
Procedure „transparent“
For the interconnection antenna <—> PLC a transparent protocol may be used. The fol-
lowing settings are necessary for the data transmission:
-
1 start bit, 8 data bit, even parity, 1 stop bit, baud rate 9600 Baud (default) or
19200 Baud.
G.1
Data direction antenna -> PLC
In this direction, antenna data is transmitted cyclically. The duration is parameterize-
able, it should take an integer part, or multiple thereof, of the transponder code trans-
mission time. The minimum cycle duration depends upon the telegram length,
therefore on the baud rate and the selected telegram content.
A set of data always starts with an “=“-character (hex 0x3d), followed by the accord-
ingly selected parameters from the menu. The telegram is terminated with an 8 bit
check character (incl. start character). This check character is the result of ex-oring all
characters. The characters are transmitted without delay.
G.2
Data direction PLC -> antenna
Commands are transmitted in this direction upon request. Each command has to start
with an “=“-character (hex 0x3d). The format of the commands is described in Table
10 „List of System Commands“ on page 22. The telegram is terminated with an 8 bit
check character over all characters (incl. start character). The characters are transmit-
ted without delay. The characters have to be received within the parameterizeable
character delay time. Otherwise the telegram will be chopped.
H
GSD File (Antenna HG 98780XA/YA with Profibus)
The latest version of the GDS files can always be downloaded from our website at
tp://www.goetting-agv.com/components/98780
.