Siemens SIMATIC S7-1200 System Manual page 1374

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Table of Contents

Technical specifications

A.4 CPU 1211C

Technical data

Number of IO devices that can be activated/ deac-

tivated simultaneously, max.

Update times

Send clock of 1 ms

PROFINET IO device

PG/OP communication

Isochronous mode

Open IE communication

IRT, supported

MRP, supported

Shared device

Number of IO controllers with shared device, max.

SIMATIC communication

S7 communication, as server

S7 communication, as client

User data per job, max.

Open IE communication

Data length, max.

Several passive connections per port,

ISO-on-TCP (RFC1006):

Data length, max.

Data length, max.

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.

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.

1 ms to 512 ms

See online help (S7 communication, user data size)

S7-1200 Programmable controller

System Manual, V4.2, 09/2016, A5E02486680-AK