Filter
Top Products
Rosemount Tank Radar REX
Chapter 8 Junction Boxes
8-2
Installation Manual
308014EN, Edition 4
May 2013
8.1.2 Design
• The box is sealed according to IP65.
• Temperature range is -40°C to +70°C (-40°F to +158°F).
8.1.3 Cable Inlets - RTG 3900
On the left-hand side (X12) there are two 1/2 in. and one 3/4 in. inlets.
There are 15 terminals for intrinsically safe cables to analog inputs, DAU
or Display Panel and up to 6 temperature sensors.
On the right-hand side (X11) there are two 3/4 in. and one 1/2 in. inlets.
The box has 8 terminals for power, communication signals and relay
outputs.
Figure 8-2. RTG 3900 with Integrated Junction Box.
Analog inputs
Temperature
sensors
DAU / RDU
Analog outputs
TRL/2 Bus
Relay output
Power 230/115 VAC
JB_integrated
EEX i
Intrinsically safe side
EEX e
Non-Intrinsically safe side