With the S2 redundancy mode of ibaBM-PN, the device can be operated on redundant PROFINET systems (S2 system redundancy) in combination with SIMATIC S7-R/H controllers, whose measurement data is to be acquired. You need an additional license for using the S2 redundancy mode of the ibaBM-PN. Contact the iba Support.

The following figure shows an exemplary integration of an ibaBM-PN in S2 redundancy mode:

Other documentation
	Detailed information about the S2 redundancy mode of the ibaBM-PN can be found the device manual.

The functionality of the Request-S7 for ibaBM-PN in redundancy mode mostly corresponds to the functionality in standard mode (see chapter Request-S7 for ibaBM-PN). The differences and extensions are described in the following.