Siemens SIMATIC Ident System Manual page 60

RF200 system planning
4.3 Installation guidelines
Transponder
MDS D425
MDS D426
MDS D428
MDS D460
MDS D522
MDS D522
Special variant
MDS D524
MDS D526
MDS D528
Mounting the transponder on or in metal is only possible with the appropriate spacer or if there is
1)
adequate clearance to the metal.
Values of > 100 % related to non metal surroundings can occur if transponders were developed
2)
specifically for mounting in/on metallic surroundings.
Table 4- 20
Transponder
MDS D117
60
without metal
on metal, distance 0 mm
without metal
1)
on metal, distance 25 mm
flush-mounted in metal;
distance all round 25 mm
without metal
on metal, distance 0 mm
without metal
1)
on metal, distance 10 mm
without metal
flush-mounted in metal;
distance all round 0 mm
without metal
flush-mounted in metal;
distance all round 0 mm
without metal
1)
on metal, distance 15 mm
flush-mounted in metal;
distance all round 25 mm
without metal
1)
on metal, distance 25 mm
flush-mounted in metal;
distance all round 25 mm
without metal
on metal, distance 0 mm
Reduction of field data due to metal, range as %: Transponder and RF250R with ANT 8
without metal
flush-mounted in metal;
distance all round 0 mm
RF250R with ANT 3
antenna without met-
al
100
95
100
90
55
100
100
100
90
100
95
100
95
100
90
75
100
90
55
100
100
RF250R with ANT 8
antenna without met-
al
100
65
System Manual, 07/2015, J31069-D0227-U001-A9-7618
antenna flush-
mounted in metal
(all round 20 mm)
90
75
70
65
45
90
90
85
75
95
80
95
80
85
75
70
70
65
45
90
90
antenna flush-
mounted in metal
85
55
SIMATIC RF200