Siemens SIMATIC Ident System Manual page 52

RF200 system planning
4.3 Installation guidelines
To avoid any influence on the field data, in Case d, the distance a should be ≥ 10 mm.
Table 4- 16
Transponder
MDS D124
MDS D127
MDS D160
MDS D324
MDS D421
MDS D422
MDS D423
MDS D424
MDS D425
MDS D428
MDS D460
MDS D521
MDS D522
52
Reduction of field data due to metal, range as %: Transponder and RF210R
metal-free
1)
on metal, distance 15 mm
flush-mounted in metal;
distance all round 15 mm
flush-mounted in metal;
distance all round 0 mm
metal-free
1)
on metal, distance 10 mm
metal-free
1)
on metal, distance 15 mm
flush-mounted in metal;
distance all round 25 mm
metal-free
flush-mounted in metal;
distance all round 0 mm
metal-free
flush-mounted in metal;
distance all round 0 mm
metal-free
on metal, distance 0 mm
flush-mounted in metal;
distance all round 10 mm
metal-free
1)
on metal, distance 15 mm
flush-mounted in metal;
distance all round 25 mm
metal-free
on metal, distance 0 mm
metal-free
on metal, distance 0 mm
metal-free
1)
on metal, distance 25 mm
metal-free
flush-mounted in metal;
distance all round 0 mm
metal-free
flush-mounted in metal;
distance all round 0 mm
Reader without direct
metal influence
(Case a, b and d)
100
90
85
100
100
100
100
90
80
100
75
100
90
100
110
2)
95
100
90
85
100
100
100
100
100
100
100
75
100
90
System Manual, 07/2015, J31069-D0227-U001-A9-7618
Reader flush-
mounted in metal
(Case c)
82
90
80
75
95
95
90
90
90
90
50
80
40
90
100
2)
85
60
80
75
85
85
90
80
90
90
90
50
80
40
SIMATIC RF200