System Manual

Table Of Contents
Transponder
7.13 MDS D339
SIMATIC RF200
324 System Manual, 03/2019, J31069-D0227-U001-A11-7619
7.13.3 Mounting on metal
Direct mounting of the MDS D139/D339 on metal is not allowed. A distance of ≥ 30 mm is
recommended. This can be achieved using spacers (see "Transponder holders
(Page 433)").
Mounting on metal
h
≥ 30 mm
Figure 7-29 Mounting the MDS D139/D339 on metal with spacer
Flush-mounting
It is possible to mount the MDS D139/D339 in metal. With large antennas, for example ANT
D5, this leads to a reduction of ranges.
h
≥ 30 mm
a
≥ 100 mm
Figure 7-30 Flush-mounting of the MDS D139/D339 in metal with spacer