Siemens S7-1200 TELECONTROL Operating Instructions Manual page 14

Application and functions
1.4 Performance data and configuration limits
The maximum number can be divided up as follows:
● S7 connections: Maximum 8
– (PUT/GET)
● OUC connections: Maximum 8
– TCP connections
– ISO-on-TCP connections
– UDP connections
● Additional free resources for S7 or OUC connections: Maximum 6
Number of connections to NTP servers
● Max. 1 connection to an NTP server
Number of possible partners for inter-station communication
● Max. 13 CPs as partners for inter-station communication
Of which:
– Max. 3 sending partners
– Max. 10 receiving partners
● Partners can be S7-1200 CPs with data point configuration and use of the protocol
"TeleControl Basic".
User data
With the connection types listed below, the user data of a frame represent a consistent data
area in terms of the time of transfer.
User data per frame with the various connection types:
● For TCP connections: Max. 8192 bytes
● For ISO-on-TCP connections: Max. 1452 bytes
● For UDP connections: Max. 1472 bytes
With frames of telecontrol communication, the individual values of the data points are time
stamped.
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 data points configured as an event.
14
Operating Instructions, 10/2016, C79000-G8976-C311-02
CP 1242-7 GPRS V2