Performance data
2.5 Characteristic data for PROFINET IO
CP 443-1 Advanced
26 Equipment Manual, 03/2023, C79000-G8976-C256-07
2.5 Characteristic data for PROFINET IO
PROFINET IO communication of the CP is IRTcompliant. The CP supports the following
maximum configuration as a PROFINET IO controller:
Number of CPs that can be operated as PROFINET IO
controllers within an S7400 station
Number of possible PROFINET IO devices
*)
*)
• up to 64 in IRT mode
• up to 32 in "prioritized startup" mode
Size the input area over all PROFINET IO devices
Size of the output area over all PROFINET IO devices
Size of the IO data area per submodule of a module in an IO
device
• Inputs
• Outputs
• 240 bytes
• 240 bytes
Size of the consistency area for a submodule
*)
The number of operable PROFINET IO devices can be reduced if the devices being used require extensive configuration
data due to large numbers of submodules. In this case, the memory on the CP will not be adequate and you will receive
a message in the diagnostics buffer about lack of resources when downloading the configuration data.
Note the following for PROFINET IO:
≥ 32 bytes of input/output data, this can lead to I/O access errors;
access errors are entered in the diagnostics buffer of the CPU.
These I/O access errors occur during operation only in the "consistent user data" mode and
with a low OB1 cycle time.
2.6 Characteristics of e-mail mode
Characteristics
The Advanced CP operates as an email client. It supports SMTP / ESMTP, SMTP-Auth and
STARTTLS.
To send emails, precisely one email connection must be set up per CP. The e-mail connection
specifies the mail server of the e-mail provider via which all the mails sent by the Advanced
CP are delivered.
To send e-mail in the user program of the S7-CPU, use the send call of the SEND/RECEIVE
interface (FC AG_SEND).
The maximum data length is 8192 bytes.
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