Application and properties
1.4 Overview of the functions
CP 243-1
Operating Instructions, 03/2012, C79000-G8976-C244-02
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1.4 Overview of the functions
The CP 243-1 provides the following functions:
● S7 communication
– High-speed data communication via Industrial Ethernet. Communication is based on
standard TCP/IP
– Ethernet access via RJ-45 jack
– Simple connection to an S7-200 system via the S7-200 bus
– Permits a flexible and distributed automation structure
– Basis for simple further processing and archiving of process data
– Permits simultaneous communication with up to 8 S7 controllers
– Provides a link to S7-OPC
– Simple network administration
– S7 communication services "XPUT/XGET" as client and server
– S7 communication services "READ/WRITE" as server
– A keepalive time can be configured for all TCP transport connections with active and
passive partners
● IT communication
– File system for permanent storage of Web and configuration files on the CP 243-1
– SMTP client for sending e-mails. In addition to pure text information, embedded
variables can also be transferred. The current value of such a variable obtained only
when the e-mail is sent.
– Configuration of up to 32 e-mails with up to 1024 characters each
– FTP server for access to the file system of the CP 243-1
– FTP client for exchanging data with an FTP server
– Configuration of up to 32 FTP client operations
– The FTP client function supports the READ, WRITE and DELETE commands.
– Access by the FTP client to the FTP server of the CP 243-1
– HTTP server for read and write access to process and status data of the S7-200
system via up to four Web browsers at one time
– Ready-made HTML pages for diagnostics of the S7-200 system and for access to
process variables
– Sending a test e-mail via a ready-made HTML page
– Storage of yo
ur own HTML pages and Java applets in the file system of the CP 243-1
– Availability of Java applets and beans for development of user-defined HTML pages
and Java applets
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