Planning Effective Ranges - Siemens SIMATIC HMI Operating Instructions Manual

Planning application
3.6 Effective ranges and zones
Aligning the HMI device to the transponder
You must align the HMI device to the transponder to enable them to recognize one another.
The further away the HMI device is from the transponder, the more accurately it and,
therefore, the antennae's main direction of radiation, must be aligned to the transponder. It is
only permissible to turn the HMI device very slightly.
The closer the HMI device is to the transponder, the further you can turn the HMI device
away from the transponder.
At a distance of 8 m, the permissible angle of deviation is about 20°. At a distance of 4 m,
the permissible angle of deviation is about 110 °.
The figure below shows an example of the possible angle of rotation in relation to the
distance from the transponder.
See also
Transponder (Page 25)
3.6.3

Planning effective ranges

Effective range and transponder
An effective range is formed physically by transponders. Transponders must be mounted in
the perimeter around the machine in such a manner that the planned effective range is
covered by the transmitting range of the transponders assigned to it.
Example:
62
Mobile Panel 277F IWLAN
Operating Instructions, 12/2007, A5E01003940-01