Siemens SIMATIC Ident System Manual page 56

RF200 system planning
4.3 Installation guidelines
Table 4- 21
Transponder
MDS D117
MDS D127
MDS D160
MDS D421
MDS D422
MDS D425
MDS D428
MDS D460
1)
* Values of > 100 %, relative to non metal surroundings, can occur if transponders were developed
The values in the table describe the reduction of the field data. All values are percentages relative to
56
Reduction of field data by metal: Transponder and RF250R with ANT 12
without metal
flush-mounted in metal
without metal
flush-mounted in metal
without metal
1)
on metal, distance 25 mm
flush-mounted in metal;
distance all round 25 mm
without metal
flush-mounted in metal
without metal
flush-mounted in metal
without metal
screwed onto metal
flush-mounted in metal;
distance all round 25 mm
without metal
screwed onto metal
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
Mounting the transponder on or in metal is only possible with the appropriate spacer or if there is
adequate clearance to the metal.
specifically for mounting in/on metallic surroundings.
non metal (100% means no influence).
RF250R with ANT 12
antenna without
metal
100
50
100
65
100
90
80
100
65
100
90
100
115*
110*
100
110*
95
100
90
85
System Manual, 09/2013, J31069-D0227-U001-A8-7618
antenna flush-
mounted in metal
(all round 7 mm)
85
40
85
50
90
85
75
90
45
90
75
90
100
90
85
95
90
95
80
75
SIMATIC RF200