Reader RF350R with ANT 12 and with MIFARE transponders (MDS E)
Table 4-53
Reduction of field data due to metal, range as %: Transponder and RF350R with ANT 12
Transponder
ANT 12 without metal
ANT 12 mounted
in metal
(0 mm all-round)
MDS E623
Without metal
100
80
On metal; distance 0 mm
90
75
Flush-mounted in metal;
circumferential distance 0 mm
70
60
Reader RF350R with ANT 18 and with RF300 transponders
Table 4-54
Reduction of field data due to metal, range as %: Transponder and RF350R with ANT 18
Transponder
ANT 18 without metal
ANT 18 mounted
in metal
(10 mm all-round)
RF320T
1)
Without metal
100
65
On metal; distance 20 mm
85
55
Flush-mounted in metal;
circumferential distance 25 mm
75
45
RF330T
Without metal
100
85
On metal; distance 0 mm
120
2)
100
Flush-mounted in metal;
circumferential distance 10 mm
115
2)
95
Flush-mounted in metal;
without surrounding clearance
95
90
RF340T
Without metal
100
85
On metal; distance 0 mm
65
60
Flush-mounted in metal;
circumferential distance 20 mm
60
55
1)
Mounting the transponder on or in metal is only possible with the appropriate spacer or if there is
adequate clearance to the metal.
2)
Values of > 100 % can occur if transponders were developed specifically for mounting in/on metallic
surroundings.
Planning the RF300 system
4.3 Installation guidelines
SIMATIC RF300
System Manual, 02/2021, C79000-G8976-C345-09
85
