The S7 Request Decoder module allows the acquisition of up to 16384 digital signals sent as a maximum of 128 words (16 Bit). This module type is suited for applications where large amounts of digital signals have to be acquired and for which the max. 1024 directly addressable digital values of the ibaBM-PN are not sufficient.

Configure a separate PROFINET slot and Request block call for each module.

General tab

For more information on the module settings, see General module settings and General module settings .

Module specific settings

Module layout – No. of decoders

Define the number of configurable decoders in the digital signal table. The default value is 32. The maximum value is 126. The signal tables are adjusted accordingly.

Connection configuration

Configure the connection of the S7 Request Decoder module in the same way as the connection for an S7-Request module, see Connection settings .

Digital tab

Configure the signals in the same way as for an ibaBM-DP device, see Digital tab .