Siemens SIMATIC S7-1500 Manual page 32

Parameter data records
B.1 Parameter assignment and structure of the parameter data records
Assignment of data record and channel
For the configuration as a 1 x 16-channel module, the parameters are located in data
records 64 to 79 and are assigned as follows:
● Data record 64 for channel 0
● Data record 65 for channel 1
● ...
● Data record 78 for channel 14
● Data record 79 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 64 to 71 and
are assigned as follows:
● Data records 64 to 71 for channels 0 to 7 (submodule 1)
● Data records 64 to 71 for channels 8 to 15 (submodule 2)
Address the respective submodule for data record transfer.
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Digital output module DQ 16x230VAC/2A ST Relay (6ES7522-5HH00-0AB0)
Manual, 03/2015, A5E34934019-AA