Beckhoff EL28 Series Documentation page 99

Commissioning
Fig. 84: Creating the links between PLC variables and process objects
In the window that opens, the process object for the variable "bEL1004_Ch4" of type BOOL can be selected
from the PLC configuration tree:
Fig. 85: Selecting PDO of type BOOL
According to the default setting, certain PDO objects are now available for selection. In this sample the input
of channel 4 of the EL1004 terminal is selected for linking. In contrast, the checkbox "All types" must be
ticked for creating the link for the output variables, in order to allocate a set of eight separate output bits to a
byte variable. The following diagram shows the whole process:
EL28xx-xxxx Version: 2.2 99