Siemens SIMATIC RF300 System Manual page 87

Reader RF350R with ANT 18 and with MIFARE transponders (MDS E)
Table 4-56
Transponder
MDS E623
MDS E624
Mounting the transponder on or in metal is only possible with the appropriate spacer or if there is
1)
adequate clearance to the metal.
Reader RF350R with ANT 30 and with RF300 transponders
Table 4-57
Transponder
RF320T
RF330T
RF340T
RF350T
SIMATIC RF300
System Manual, 02/2021, C79000-G8976-C345-09
Reduction of field data due to metal, range as %: Transponder and RF350R with ANT 18
Without metal
On metal, distance 0 mm
Flush-mounted in metal;
circumferential distance 0 mm
Without metal
1)
On metal, distance 15 mm
Flush-mounted in metal;
circumferential distance 25 mm
Reduction of field data due to metal, range as %: Transponder and RF350R with ANT 30
1) Without metal
On metal; distance 30 mm
Flush-mounted in metal;
circumferential distance 25 mm
Without metal
On metal;
Flush-mounted in metal;
circumferential distance 10 mm
Flush-mounted in metal;
without surrounding clearance
Without metal
On metal; distance 30 mm
Flush-mounted in metal;
circumferential distance 20 mm
Without metal
Directly on metal
Flush-mounted in metal;
circumferential distance 20 mm
Planning the RF300 system
4.3 Installation guidelines
ANT 18 without metal
100
90
40
100
85
85
Mounting the antenna
ANT 30 without metal
100
85
75
100
110
2)
105
2)
90
100
65
60
100
75
55
ANT 18 mounted
in metal
(10 mm all-round)
85
65
20
85
75
45
ANT 30 mounted
in metal
(20 mm all-round)
90
75
65
90
100
95
80
85
55
55
85
65
45
87