In TCP/IP the cohesive ASCII sequences can be
splitted into different telegram packages. This is why
a separate receive buffer has to be considered.
Please find detailed information in:
Telegram_Events/Wireshark.pdf"
on http://www.jennyscience.de/en/download/.
To reduce response time, status or PLC input
modifications of the PLC interface can be sent
automatically (events). Therefore it is not necessary
to poll the status or inputs permanently.
Events disabled, default
Events enabled generally
Status modifications / Reference Event
Will be sent in case of generally activated events.
Power ON / Halt
Reference finished
Inputs are selectable with ETI (Event Track Input)
Enable event of input 1..12
Enable all input events
Disable event of PLC input with DTI (Disable Track
Disable event for input 1..12
Disable all input events
Structure of input events @Ixyz
with xyz as half bytes in Hexadecimal notation.
„ Xvi75_TCP/IP_Socket_
Enable Events
EVT=0
EVT=1
Power OFF
@S0
@S1
In motion
@S2
Error
@S9
@H
PLC Input
ETI=1..C
ETI=0
Input).
DTI=1..C
DTI=0
9.1 ASCII Protocol TCP/IP
9.2 Asynchronous Messages (Events)
32
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