11-7, Wiring, Intrinsically safe side EEx

Installation Manual

308014EN, Edition 4	Rosemount Tank Radar REX
May 2013	Chapter 11 Electrical Installation of the

11.5.2Wiring

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.

X12

EEx i

X11

EEx e

TH3900_X11_X12.eps

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:

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)

Table 11-5. Intrinsically safe connections to terminal X12.

Note!	Connection of temperature sensors requires a TMC card.

11-7

308014EN, Edition 4 specifications

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Emerson Edition 4, 308014EN 11-7, Wiring, Intrinsically safe side EEx, Connection Description

Models: 308014EN Edition 4