User's Manual

BL ident System – Planning

2 – 4 D101583 0207 BL ident

Length of the transfer zone L

and width offset

The length of the transfer zone L

(Fig. 1) is dependent on the

combination of data carrier and read-write head.

The width is particularly important for the tolerance of mechanical

tracking.

Minimum distance of the data carriers to read-write head, influence of adjacent fields

Adjacent fields are practically always available. Normally the

adjacent fields should not be used for transfer of data, so there must

be an minimum distance between data carriers and read-write head.

But with the TURCK BL ident system a minimum distance must not

be observed.

Permissible direction of movement and alignment of the data carrier

The data carrier can pass over the read-write head from any

direction.

The data carriers can have any horizontal alignment. They should

only be aligned in parallel to the read-write head.

Reading and writing in static operation

In static operation a data exchange is possible up to the range of the

threshold distance H. The data carrier must be positioned exactly

above the read-write head.

Reading and writing in dynamic operation (on the fly)

In dynamic operation the data carriers move past the read-write

head. A data exchange is only possible within the transfer zone.

Note

An illustrative representation of this relationship can be found in the

BL ident configurator at www.turck.com.