Specifications

Parameter data records
B.1 Parameter assignment and structure of the parameter data records
DI 16x24VDC HF Digital Input Module (6ES7521-1BH00-0AB0)
32 Manual, 07/2014, A5E03485952-AD
Assignment of data record and channel
For the configuration as a 1 x 16-channel module, the parameters are located in data
records 0 to 15 and are assigned as follows:
● Data record 0 for channel 0
● Data record 1 for channel 1
● …
● Data record 14 for channel 14
● Data record 15 for channel 15
For the configuration as a 2 x 8-channel module, the module has 2 submodules with eight
channels each. The parameters for the channels are located in data records 0 to 7 and are
assigned as follows:
● Data records 0 to 7 for channels 0 to 7 (submodule 1)
● Data records 0 to 7 for channels 8 to 15 (submodule 2)
Address the respective submodule for data record transfer.