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9.1
ASCII Protocol TCP/IP
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:
„
Xvi75_TCP/IP_Socket_
Telegram_Events/Wireshark.pdf
”
http://www.jennyscience.de/en/download/
9.2
Asynchronous Messages (Events)
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.
Enable Events
Events disabled, default
EVT=0
Events enabled generally
EVT=1
Status modifications / Reference Event
Will be sent in case of generally activated events.
Power OFF
@S0
Power ON / Halt
@S1
In motion
@S2
Error
@S9
Reference finished
@H
PLC Input
Inputs are selectable with ETI (Event Track Input)
Enable event of input 1..12
ETI=1..C
Enable all input events
ETI=0
Disable event of PLC input with DTI (Disable Track
Input).
Disable event for input 1..12
DTI=1..C
Disable all input events
DTI=0
Structure of input events @Ixyz
with xyz as half bytes in Hexadecimal notation.