You will find a diagnostic help with a tabular display of the actual analog and digital values and the data types on the Diagnostics tab of each S7 Request module.

See chapter Request-S7 for ibaBM-PN Diagnostics

See chapter Request-S7 for ibaBM-DP Diagnostics

See chapter Request-S7 for ibaBM-DPM-S Diagnostics

See chapter Request-S7 for ibaCom-L2B Diagnostics