Siemens SIMATIC S7-1200 CP 1243-8 IRC - 1.7 Performance data and configuration limits

Application and functions
1.7 Performance data and configuration limits
CP 1243-8 IRC
22 Operating Instructions, 02/2018, C79000-G8976-C385-03
You will find further information on the functionality and configuration of the security functions
in the information system of STEP 7 and in the manual /11/ (Page 227).
1.7
Performance data and configuration limits
Number of CMs/CPs per station
In each S7-1200 station, up to three CMs/CPs can be plugged in and configured, of which a
maximum of one CP 1243-8 IRC.
Connection resources
●
Telecontrol connections
The CP can establish connections to up to 4 communications partners.
The partners can be linked redundantly.
When using the ST7 protocol, in addition to this, inter-station communication with up to 4
S7 stations can be operated via the master station.
●
TCP connections
The CP can establish connections to up to 4 communications partners (S7 stations).
●
Online functions
1 connection resource is reserved for online functions.
●
S7 connections
8 connection resources for S7 connections (BSEND/BRCV)
These connections are used for SINAUT ST7 communication.
●
S7 routing
Max. 4 connections at the same time
●
PG/OP connections
– 2 connection resources for PG connections
– 1 connection resource 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.