Hardware requirements

CPU

S7-300:
CPU 313C-2 DP, 314C-2 DP, 315-2 DP, 316-2 DP, 318-2 DP
S7-400: all CPUs

Redundancy link of the CPUs

MPI, PROFIBUS, Industrial Ethernet; existing connections can also be used.

Suitable modules for ET 200M

IM 153-2;
all DI/O, AI/O for ET 200M;
FM 350-1 counter module
CP 341

Software requirements

Configuring/programming

STEP 7 V4.0

Communication configuration for redundant PROFIBUS DP

NCM S7 for PROFIBUS