Cp 1243-1 - Siemens SIMATIC TeleControl DNP3 Configuration Manual

Firewall rules
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")
1.5.4

CP 1243-1

Number of CMs/CPs per station
In each S7-1200 station, up to three CMs/CPs can be plugged in and configured; this allows
three CP 1243-1 modules.
To use telecontrol communication, three CP 1243-1 modules can be plugged in per station.
Connection resources
● Telecontrol connections
The CP can establish connections to the following master station types:
– To up to four non-redundant or redundant connected masters
● S7 connections and TCP / UDP / ISO-on-TCP connections
Max. 14 connection resources, can be distributed as required for:
– S7 connections (PUT/GET)
– Connections via program blocks (OUC) to S7 stations
● Online functions
1 connection resource is reserved for online functions.
● PG/OP connections
– 1 connection resource for PG connections
– 3 connection resources for OP connections
Number of data points for the data point configuration
The maximum number of configurable data points is 200.
Frame memory (send buffer)
The CP has a frame memory (send buffer) for the values of data points configured as an
event and that are sent to the communications partner.
Configuration - DNP3
Configuration Manual, 11/2018, C79000-G8976-C508-01
Functions and requirements
1.5 Performance data and configuration limits
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