User's Manual Part 1

Table Of Contents
RF300 system planning
4.1 Fundamentals of application planning
SIMATIC RF300
24 System Manual, 09/2007, J31069 D0166-U001-A5-7618
Table 4-3 ANT18 and ANT30 (RF350R) transmission window and read/write distance
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S
a
: Operating distance between transponder and reader
S
g
Limit distance (maximum clear distance between upper surface of the reader and the transponder, at which the
transmission can still function under normal conditions)
L Diameter of a transmission window
The length L
d
is valid for the calculation. At S
a,min
, the field length increases from L
d
to L
max
.
SP Intersection of the axes of symmetry of the transponder