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Reference Manual
00809-0100-2230, Rev BB
August 2014
3-13
Rosemount 2230
Section 3. Installation
Daisy-Chain Connection
You may use the daisy-chain option in order to connect the Rosemount 2230
to other field devices on the Tankbus:
1. Unscrew and remove all six screws on the front of the Rosemount 2230.
Remove the cover carefully. Take care of the locking device for the
weather protection hatch.
NOTE!
Do not disconnect the cables between the display front and the circuit board.
2. Disconnect the termination jumper from the X3 terminal, see Figure 3-7
on page 3-12.
3. Run the new Tankbus cable into the 2230 compartment through a
suitable gland.
4. Connect the outgoing Tankbus wires to the X2-out and X3-out terminals
as shown in Figure 3-8.
Figure 3-8. Daisy-chain wiring
5. Connect the cable shield to the X1 terminal.
6. Replace the cover. Make sure the sealing and the locking device for the
weather protection hatch are placed in the correct positions.
7. Firmly tighten the six screws on the front cover.
Figure 3-9. Wiring diagram for
Rosemount 2230
As illustrated in Figure 3-9 the Rosemount 2230 can be daisy-chained to
other field devices via the Tankbus.
X3: out
X2: out
X1: Cable Shield
Rosemount 2230 Rosemount 2410 Rosemount 5900S Rosemount 2240S
Tankbus
Shield Wire
connected at
power supply
Built-in
terminator
enabled on
the last device