Operating Manual HG G-98830YA | English, Revision 02 | Date: 21.06.2021
88
Chapter 16 – Appendix
Figure 42
State diagram procedure 3964R; Antenna –> PLC
16.2.2 Data Direction PLC –> Antenna
Commands are transmitted from the PLC to the antenna only when required. At
present the command to start the monitor is implemented (see 9.2.2 „List of System
Commands“ on page 38). So that these commands can prevail over the frequent cy
-
clic data output of the antenna, the 3964R procedure of the antenna has a low pri
-
ority (see Figure 42).
Figure 43
State diagram procedure 3964R; PLC –> Antenna
16.3 Procedure transparent
For the connection antenna <—> PLC you can also us the
transparent
protocol.
You must observe the following settings for data transmission:
1 start bit, 8 data bits, parity even, 1 stop bit, baud rate 38400 baud (default) or
19200 Baud.
Data
available
t>T_QVZ or
character !=
(DLE or STX)
t>T_QVZ
or
character
received
t>T_ZVZ
receiving
DLE
receiving
character != NAK
receiving
STX
niedrige Priorität
waiting for
character
waiting for
character
transmitting all
characters
waiting
transmitting NAK
transmitting NAK
transmitting STX
Reception Mode
Interpreter Program including determination of Position and Decoding
Cyclic Data Reception
(low priority)
