Gateway Between Redundant And Non-Redundant Profibus Dp - Siemens SIMATIC PCS 7 Function Manual

Note
Fault-tolerant PROFINET
It is absolutely necessary to operate the fieldbus ring with MRP (media redundancy protocol)
when using rings with PROFINET.
Availability
If the communication connection via a CPU fails, the stations of the distributed I/O can
communicate with the H system over the fault-tolerant bus line. The configuration shown in
the following figure provides increased availability due to the interfacing of the distributed I/O.
NOTICE
Changes to PROFINET modules only take effect when you load your hardware configuration
with the updated STEP 7 version to the CPU, which is in "STOP" mode.
Additional information
● Section "How to configure a fault-tolerant fieldbus on the basis of PROFINET (Page 105)"
● Manual
● Manual
● Manual
3.3.5.3

Gateway between redundant and non-redundant PROFIBUS DP

Y Link
The Y Link consists of two IM 153-2 interface modules and a Y coupler that are interconnected
through the corresponding bus modules (BM IM/IM and BM Y coupler).
Fault-tolerant Process Control Systems (V8.0)
Function Manual, 03/2012, A5E02779471-02
SIMATIC NET; PROFINET Networks
SIMATIC; Communication with SIMATIC
SIMATIC STEP 7; Modifying the System during Operation via CiR
Fault-tolerant Solutions in PCS 7
3.3 Solutions for communication
65