Emerson Edition 4 Water Heater User Manual


 
11-13
Rosemount Tank Radar REX
Chapter 11 Electrical Installation of the
Installation Manual
308014EN, Edition 4
May 2013
11.5.4 Power
The 3900 REX transmitter accepts 100-240 VAC mains voltage. As an
option TankRadar REX can be adapted to 37-70 VAC, 48-99 VDC or 24
VDC. The built-in Transformer Rectifier Card (TRC) automatically adapts
to the connected supply voltage. See Chapter 14: Technical Data for
further details.
Note! Terminals 1 to 4 have double connections to allow daisy-chain
connections.
Figure 11-5. Connection of power supply.
Power Supply
X11_PowerSupply.eps
L, L1 +
N, L2 -