Impact On The Transmission Window By Metal - Siemens SIMATIC RF300 System Manual

4.4.4

Impact on the transmission window by metal

In general, the following points should be considered when mounting RFID components:
• Direct mounting on metal is allowed only in the case of specially approved transponders.
• Flush-mounting of the components in metal reduces the field data; a test is
• When working inside the transmission window, it should be ensured that no metal rail (or
The impact of metal on the field data (S
The values in the table describe the reduction of the field data in % with reference to non-
metal (100 % means no impact).
Reduction of field data: Transponder and RF310R reader
Table 4-4
Transponder
RF320T
Without metal
On metal; distance 20 mm
Flush-mounted in metal; distance
all-round 20 mm
RF340T
Without metal
on metal
Flush-mounted in metal;
distance all-round 20 mm
RF350T
Without metal
on metal
Flush-mounted in metal;
distance all-round 20 mm
RF360T
Without metal
On metal; distance 20 mm
Flush-mounted in metal;
distance all-round 20 mm
SIMATIC RF300
System Manual, Release 04/2006, J31069 D0166-U001-A2-7618
recommended in critical applications.
similar part) intersects the transmission field.
The metal rail would affect the field data.
Reduction of field data by metal (in %): Transponder and RF310R
, S , L, B) is shown in tabular format in this section.
g a
Reader RF310R
Without metal on metal
100
100
80
100
80
70
100
70
60
100
100
60
RF300 system planning
4.4 Installation guidelines
flush-mounted
in metal
(20 mm surround)
95 80
80 70
70 60
95 80
80 80
70 70
95 85
65 65
60 60
95 85
95 75
60 60
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