Leuze electronic BPS 8 Original Operating Instructions page 91

This process toggles the data as long as the MM bit is set to 1, and the memory contains
marker data. The MM status information does not depend on the BPS' speed or on the
control's clock rate.
Figure 9.2: Function sequence for no marker bar code inside the detection area
Leuze electronic
No marker bar code in the detection range
• The respective MM bit in the status byte remains set until the
marker data have been retrieved.
• Marker data are deleted after they have been
read.
Marker data
are retrieved.
• Marker data are retrieved by the request telegram.
• Marker data are deleted from the memory.
• The respective MM bit in the status byte is reset and remains
reset until another marker bar code is detected.
New or old marker bar code is detected.
BPS 8
Protocols for position value output
Marker data
are not retrieved.
89