Emerson Rosemount 5900S Reference Manual page 88

Installation
September 2019
Figure 3-28: Terminal Compartment 2-in-1 Version
A. Test terminals
B. Ground terminals, internal
C. Jumpers between X3 and X4
D. Two tankbuses
E. Single tankbus
FB. Field Bus
When using two separate tankbuses, connect X1 to Tankbus 1 and X4 to Tankbus 2.
Connect to X1 when using a single tankbus, and jumpers between X3 and X4.
Table 3-11: Terminal Block Connections for the Rosemount 5900S with Two
Tankbuses
Connection
X1: Primary Tankbus in Intrinsically safe Tankbus input for level gauge 1, power and
X2: Primary Terminate
on
X3: Primary Tankbus
out
X4: Secondary Tankbus
in
Test terminals
88
Two-in-One / Two tankbuses
communication
Termination for primary tankbus. The integrated line terminator is
connected over the Tankbus when a jumper is placed in the terminal
block.
Primary Tankbus output connected to X1 for optional daisy-chain
connection to other devices
Intrinsically safe Tankbus input for level gauge 2, power and
communication
Test terminals for temporary connection of a field communicator
Reference Manual
00809-0100-5900
Reference Manual