Transponder
7.1 Overview
SIMATIC RF600
System Manual, 11/2018, J31069-D0171-U001-A21-7618
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Table 7- 6 Read range of the transponders IV (all ranges in meters [m])
with RF640A 1.4 2.0 1.2
with RF660A 5.0 4.5 4.0
1)
Mounting on metal. Mounting surface with a minimum diameter of 150 mm, for the RF680T 300 mm.
Maximum write ranges
Depending on the transponder type, the reader antenna requires more power for writing than
for reading data. When writing, the maximum range reduces by approximately 30%
compared with the read range. This does not apply to the transponder RF622T.