2 installing the r520/r520n/r520x, Installation – INOR IPAQ R520X User Manual
Page 12

3
INSTALLATION
C520/C520X / R520/R520X
09/2010 • 86B5200001
www.inor.com
12
3.2 Installing the R520/R520N/R520X
The R520 / R520X transmitter is intended for installation on a top-hat rail according to
DIN EN 50022.
Figure 4: Rail installation
1
Fix the upper part of the transmitter onto the rail.
2
Press the lower part of the transmitter against the rail.
3
To remove the transmitter, use a screwdriver to bend the locking device using a small screwdriver.
Carefully pull the transmitter in the forward direction.
ATTENTION!
The R520 transmitter may not be installed in potentially explosive areas other than Zone 2 and
Division 2. For Zone 2/Div 2 applications a Class 2 power supply placed in safe area is needed.
In other potentially explosive areas, the R520X must be used.
The transmitter R520X can be installed in potentially hazardous area Zone 1 and 2 and the input
may be connected to Zone 0. R520X must be supplied by an intrinsically safe power supply unit
or Zener barrier placed outside of the potentially explosive zone.