The use of an ION SIMATIC S7-400 T001 function block enables transmission of max. 178 channels per recording cycle of the PLC. This corresponds to a data volume of 712 bytes. If this volume is insufficient or if the cycle time is very small, several function blocks can be used in the user program.
The number of channels and their content can be freely configured and combine several signals (e.g. 1 word signal and 16 bit signals).