Installation Manual

308014EN, Edition 4

Rosemount Tank Radar REX

May 2013

Chapter 8 Junction Boxes

 

 

8.2Junction Boxes for Intrinsically Safe and EEX e environments

JB_general_ed3

 

JB 140-15

 

 

 

(EEX i)

 

 

 

 

 

JB 140-11

 

 

 

(EEX e)

DAU / RDU

Cable

~ 2 m cable

 

 

~ 2 m cable with

 

 

protective hose

with

5 x M25

 

 

protective

 

 

hose

 

TRL/2 Bus, Analog outputs, Relay output, Power 230/ 115 VAC

Figure 8-3. Intrinsically Safe and Explosion Proof Junction Boxes.

8.2.1JB 140-15 for EEx i environments

JB 140-15 (EEx i) is used when a DAU or an RDU 40 is located more than 2 m away from the RTG and should only be used for intrinsically safe connections.

JB 140-15 has 15 terminals and has six openings for M25 glands, suitable for 9-16 mm cable diameter.

8.2.2JB 140-11 for EEx e environments

JB 140-11 (EEx e) is used to connect power and the TRL/2 Bus to the RTG.

JB 140-11 contains 15 terminals and has five openings for M25 glands, suitable for 9-16 mm cable diameter (see Fig. 8-3).

Note!

JB140-15 is not approved for all markets.

 

 

8-3

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Image 61
Emerson Edition 4, 308014EN installation manual 1 JB 140-15 for EEx i environments, 2 JB 140-11 for EEx e environments
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308014EN, Edition 4 specifications

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