With the redundancy mode of ibaBM-DP, the device can be operated on redundant PROFIBUS systems in combination with SIMATIC-400H controllers, whose measurement data are to be acquired.

You need an additional license for using the redundancy mode of the ibaBM-DP. Contact the iba Support. The license is released using the administrator functions in the Web dialog of the ibaBM-DP.

Request-S7 redundant is suitable for operating ibaBM-DP with the Request functionality as single-channel periphery on a highly available SIMATIC S7-400H controller.

The following figure shows an exemplary integration of an ibaBM-DP in redundancy mode.

Note
	The following description refers to the Request blocks V4.0 or higher.

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

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

For information about application examples, see chapter Application examples.