Siemens Simatic RF382R Scanmode Operating Instructions Manual page 4

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Transmission window for horizontal magnetic field
Figure 4
Distance definition for horizontal magnetic field
Green
Main field (processing field)
Blue
Secondary fields, horizontal magnetic field
L
Maximum length of the main field, horizontal magnetic field
d
Distance from the reader edge at which maximum horizontal main field length L exists
S
Operating range in the main field
a
S
Limit distance
g
Level 1
Level 2
Level 3
Direction of motion of the transponder
Operating range (S
)
a
The operating range lies between Level ① and Level ③.
The operating range between Levels ① and ② includes secondary fields.
The recommended operating range therefore lies in the green main field between Level 2 and Level 3.
Limit distance (S
)
lim
The limit distance lies on Level ③.
4
SIMATIC RF382R Scanmode
J31069-D0214-U001-A1-7618, 10/2009

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