Beckhoff BK9105 Documentation page 60

Appendix
This is what the Controller Tags should look like. The graphic below illustrates exactly where one would look
to find the Data In (1) KL1501 as well as the third digital output, KL2134 channel 3.
Fig. 55: KL1501's Data In
60 Version: 2.0.0 BK9055 and BK9105