INOR IPAQ R520X - Manual (Page 22)

4 ELECTRICAL CONNECTIONS C520/C520X / R520/R520X
09/2010 • 86B5200001 www.inor.com 22
R
≥250 Ω 1
2
4
4
3
5
Test
4.6 Connection diagram, R520
ATTENTION!
IPAQ R520 is a Category 3 equipment and may only be installed in an area with a potentially
explosive atmosphere Zone 2 / Division 2 or it may be installed in safe area and connected to a
sensor located in an area with a potentially explosive atmosphere Zone 2 / Division 2!
1 Voltage supply 10…36 VDC
2 R
Load
, R ≥250 Ω
3 Input
4 Modem
5 Test connection (R
i
≤10 Ω)
Figure 13: R520 connection diagram
NOTE!
The HART modem is connected parallel to the output load or parallel to the output of the
transmitter (see Figure 13).