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Rosemount Tank Radar REX
Chapter 11 Electrical Installation of the
11-8
Installation Manual
308014EN, Edition 4
May 2013
Non-Intrinsically safe side - EEx e
Terminal X11 is used for the following connections in the basic version:
Table 11-6. Connections to terminal X11.
It is recommended that shielded cable is used. Connect the shield at one
end of the cable only in order to avoid ground loops.
Note! The 3900 REX transmitter is designed for AC power supply. As an option
it can be adapted for connection to DC power supply. The transmitter
must not be connected to DC power supply unless it is equipped with the
DC power supply option.
Connection Description
1 Power supply L, L1+
2 Power supply N, L2-
3 TRL/2 Bus
4 TRL/2 Bus
5 Relay K1A
6 Relay K1B
7 Relay K2A (optional)
8 Relay K2B (optional)