Siemens SIMATIC S7 System Manual page 126

Programming concepts
5.6 Variable table
Variable table example
The following example shows a typical variable table for SBR_0, and then a call to SBR_0
from another program block.
See also
Programming software (Page 29)
126
System Manual, V2.3, 07/2017, A5E03822230-AF
S7-200 SMART