Siemens SIMATIC S7-1200 - Page 1374

Technical specifications
A.4 CPU 1211C
S7-1200 Programmable controller
1374 System Manual, V4.2, 09/2016, A5E02486680-AK
Technical data
Description
Number of IO devices that can be activated/ deac-
tivated simultaneously, max.
8
Update times The minimum value of the update time also depends on the commu-
nication component set for PROFINET IO, on the number of IO devic-
es, and the quantity of configured user data.
With RT
Send clock of 1 ms
1 ms to 512 ms
PROFINET IO device
Services
PG/OP communication
Yes
S7 routing
Yes
Isochronous mode
No
Open IE communication
Yes
IRT, supported
No
MRP, supported
No
PROFIenergy
Yes
Shared device
Yes
Number of IO controllers with shared device, max.
2
SIMATIC communication
S7 communication, as server
Yes
S7 communication, as client
Yes
User data per job, max.
See online help (S7 communication, user data size)
Open IE communication
TCP/IP: Yes
Data length, max.
8 KB
Several passive connections per port,
supported
Yes
ISO-on-TCP (RFC1006):
Yes
Data length, max.
8 KB
UDP
Yes
Data length, max.
1472 bytes
DHCP
No
SNMP
Yes
DCP
Yes
LLDP
Yes
1
Ethernet port isolation is designed to limit hazard during short term network faults to hazardous voltages. It does not
conform to safety requirements for routine AC line voltage isolation.