Siemens SIMATIC RF300 System Manual page 150

Readers
5.3 SIMATIC RF340R/RF350R
5.3.1.7 Minimum distance between RF340R readers
RF340R side by side
D ≥
Figure 5-10
RF340R face-of-face
D ≥
Figure 5-11
5.3.1.8 Using the readers in a hazardous area
Risk of explosion
In a flammable or combustible environment, no cables may be connected to or disconnected
from the device.
150
≥ 350 mm (with 2 readers)
≥ 500 mm (with more than 2 readers)
Minimum distance between RF340R readers
500 mm
Face-of-face distance between two RF340Rs
WARNING
System Manual, 02/2021, C79000-G8976-C345-09
SIMATIC RF300