Jetter JC-120MC, User Manual

Page: 165 / 634

Jetter AG 165
JC-120MC FTP client
The task stops at the program line until the connection is established or the
timeout set for the FTP client has elapsed.
This function is processed in the following steps:
Step Description
1
The controller tries to establish a TCP/IP connection to the FTP server.
2 If ... ... then ...
... the network client has accepted
the connection, ...
... proceed with step 3.
... the connection could not be
established and the timeout has not
elapsed yet, ...
... proceed with step 1.
... an error has occurred or the
timeout has elapsed, ...
... the function is terminated and
value 0 is returned.
3
The controller logs on to the FTP server with its user name Administrator
and password AdminPassword .
4 If ... ... then ...
... the FTP server has accepted the
connection, ...
... the function is terminated and a
positive value is returned as handle
for further access to this connection.
... the FTP server has not accepted
the connection, for example
because of an invalid user name or
wrong password, ...
... the function is terminated and
value 0 is returned.

Terminating a connection
(see page 166)
Operating principle
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