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11-7
Rosemount Tank Radar REX
Chapter 11 Electrical Installation of the
Installation Manual
308014EN, Edition 4
May 2013
11.5.2 Wiring
Wires are clearly marked with numbers and designation of wires is
shown on a printed plate at the cable outputs. The integrated Junction
Box has sockets for intrinsic (X12) and non-intrinsic (X11) connections.
Note! The numbering shown in the following description is applicable to both
versions.
Figure 11-4. Connections on the Integrated Junction Box (JBi).
Intrinsically safe side - EEx i
Terminal X12 is used for the following intrinsically safe connections:
Table 11-5. Intrinsically safe connections to terminal X12.
Note! Connection of temperature sensors requires a TMC card.
Connection Description
1 Analog Input 1 + / HART
2 Analog Input 1 - / HART
3 Analog Input 2 +
4 Analog Input 2 -
5 DAU/RDU40 signal
6 DAU/RDU40 power
7 DAU/RDU40 ground
8 T1 (Temperature sensor)
9 T2 (Temperature sensor)
10 T3 (Temperature sensor)
11 T4 (Temperature sensor)
12 T5 (Temperature sensor)
13 T6 (Temperature sensor)
14 T7 (Temperature sensor)
15 T8 (Temperature sensor)
X12
EEx i
X11
EEx e
TH3900_X11_X12.eps