Distance Measurement Between Hmi Device And Transponder - Siemens SIMATIC HMI Operating Instructions Manual

See also
Ranges in the plant (Page 27)
3.6.2

Distance measurement between HMI device and transponder

The transmitting range of the transponder and the receiving area of the HMI device
approximate to a lobe shape with a range of approximately 8 m. More information can be
found in chapter Radiation characteristic (Page 314) .
Distance measurement between the HMI device and the transponder is only possible if both
devices are within the other's receiving area. The table below shows when distance
measurement is feasible. In the figures, the HMI device is shown as a circle and the
transponder as a square.
HMI device in
transponder's
transmitting range
Transponder in HMI
device's receiving area
Result
Mobile Panel 277F IWLAN
Operating Instructions, 12/2007, A5E01003940-01
Yes
Yes
Distance measurement
successful
3.6 Effective ranges and zones
Yes
No
Distance measurement
not possible
Planning application
No
Yes
Distance measurement
not possible
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