Siemens SIMATIC NET CP 243-1, Руководство по эксплуатации

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CP 243-1
Operating Instructions, 03/2012, C79000-G8976-C244-02
129
Timeouts
B
The values in the following tables represent times after which the the related actions must
have been triggered.
On Ethernet
Meaning Action if timeout occurs Fixed set time in seconds
Maximum wait time after which a frame
must be completely
received via TCP/IP.
Reject frame fragment. CP shuts down
the connection
3
Maximum wait time after which a frame
must be completely
sent via TCP/IP.
Abort sending. CP shuts down the
connection
3
Maximum wait time of the CP until a
request sent to the CPU by an external
client is replied to by the CPU.
Reject action. CP waits for new
requests. Client receives no response
60
Logout time when all channels are busy
and MW is not yet connected.
(So that MW can always establish a
connection)
Oldest of the connected TCP/IP
servers that could not yet be assigned
via TSAP interrupts the connection and
waits for a new connection to be
established
60
Interval at which incoming connection
establishment requests are processed.
Delay of the next connection
establishment
1
Wait time after an unsuccessful attempt
by a client to establish a connection
Attempt to establish a connection is
repeated
10
Wait time of a client for confirmation of
a request to establish a connection
Client shuts down the connection and
connects again
6
Maximum time for a successful
BOOTP/DHCP request
Renewed attempt to obtain a valid
configuration either from the memory of
the S7-200 CPU or via a
BOOTP/DHCP server
24 attempts at intervals of 2.5 seconds
= 60 seconds
Maximum wait time for confirmation of
sending the test e-mail
The e-mail is not transferred, an error
message to this effect is returned.
30
Idle time of an FTP connection. When
this time expires, the connection is
terminated by the FTP server if a new
FTP client wants to establish a
connection
Termination of existing FTP connection
and establishment of a new FTP
connection to the new FTP client
60
Maximum wait time of the FTP server
for the establishment of a data
connection
The FTP client not establish a data
connection.
90
Timeouts on Ethernet