Siemens SIMATIC RF300 System Manual page 60

RF300 system planning
4.4 Installation guidelines
Reduction of field data: Transponder and RF340R reader
Table 4-7
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
RF370T
Without metal
on metal
Flush-mounted in metal;
distance all-round 20 mm
RF380T
Without metal
on metal
Flush-mounted in metal; distance
all-round 40 mm
60
Reduction of field data by metal (in %): Transponder and RF340R
Reader RF340R
Without metal on metal
100
100
80
100
80
70
100
70
60
100
90
70
100
100
90
100
100
83
System Manual, 09/2007, J31069 D0166-U001-A5-7618
flush-mounted
in metal
(20 mm surround)
95 80
90 75
70 60
95 85
80 70
70 70
95 80
65 65
60 60
95 85
90 75
60 60
98 96
97 94
88 86
86 76
(all-round 40 mm)
86 76
(all-round 40 mm)
71 55
(all-round 40 mm)
SIMATIC RF300