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03/03
Appendix C Timeouts
The values in the following tables represent times which must pass before the re-
lated actions can be triggered.
On Ethernet
Meaning
Maximum wait time until a telegram is
completely received via TCP/IP
Maximum wait time until a telegram is
completely sent via TCP/IP
Maximum wait time of the CP until a job
sent to the CPU by an external client is
answered by the CPU
Logout time when all channels are busy
and MW is not yet connected (so that
MW can always establish a connection).
Time before arriving requests for con-
nection are processed
Wait time after an unsuccessful attempt
by a client to establish a connection
Wait time of a client for confirmation of a
request to establish a connection
Maximum time for successful BOOTP
job
Maximum wait time for sending confir-
mation of the test e-mail
Idle time of an FTP connection after the
expiration of which the connection of the
FTP server is disconnected when a new
FTP client wants to establish a connec-
tion
Maximum wait time of an FTP server for
the establishment of a data connection
Table 33
CP 243-1 IT
J31069-D0429-U001-A0-7618
Action for Timeout
Reject telegram fragment. CP dis-
connects the connection.
Terminate sending. CP disconnects
the connection.
Reject action. CP waits for new jobs.
Client receives no response.
Oldest of the connected TCP/IP ser-
vers which could not be assigned via
TSAP disconnects the connection
and waits for a new connection to be
established.
Delay of the next connection estab-
lishment
Attempt to establish a connection is
repeated.
Client disconnects the connection
and connects itself again.
Another attempt to obtain a valid
configuration either from the memory
of the S7-200 CPU or via a BOOTP
server
The e-mail is not transferred. An ap-
propriate error message is returned.
Disconnection of existing FTP con-
nection and setup of a new FTP
connection to the new FTP client
The FTP does not establish a data
connection.
Timeouts on Ethernet
Timeouts
Fixed Set Time in
Seconds
3
3
60
60
1
10
6
24 attempts at inter-
vals of 2.5 seconds =
60 seconds
30
60
90
131
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