Functions and requirements
1.5 Performance data and configuration limits
Configuration - DNP3
22 Configuration Manual, 11/2018, C79000-G8976-C508-01
The send buffer has a maximum size of 64000 events divided into equal parts for all
configured communications partners. The size of the frame memory can be set in STEP 7,
refer to the section Process image, type of transmission, event classes (Page 113).
● Sending of up to 10 messages (e-mails) can be configured with the message editor.
● Sending e-mails via the TMAIL_C program block
Up to 8 IPsec terminals can be established for secure communication with other security
modules.
The maximum number of firewall rules in advanced firewall mode is limited to 256.
The firewall rules are divided up as follows:
● Maximum 226 rules with individual addresses
● Maximum 30 rules with address ranges or network addresses
(e.g. 140.90.120.1 - 140.90.120.20 or 140.90.120.0/16)
● Maximum 128 rules with limitation of the transmission speed ("Bandwidth limitation")
CP 1542SP-1 IRC
Number of CPs per station
In each ET 200SP station, up to three special modules can be plugged in and configured;
this allows a maximum of two CP 154xSP-1 modules.
For details of the permitted special modules and the slot rules, refer to the manual.
Connection resources
Connection resources
Number of connections via Industrial Ethernet, maximum of 32 in total, of which:
● S7: Max. 16
● TCP/IP: Max. 32
● ISO-on-TCP: Max. 32
● UDP: Max. 32
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