12
INSTALLATION & TECHNICAL MANUAL
RS 232 Daisy Chain
INDICATOR
TO AURORA 1
TO AURORA 2
TX RX
RX TX RX
GND GND GND
Etc…
RS 422 Wiring
1. Set the Communication Input Jumper (JP 1) to
RS485
.
2. Terminate the indicator’s communication wires at the RS 485 terminal (J4). See
table below:
INDICATOR
TO AURORA REMOTE DISPLAY
TRANSMIT A (TX A)
RECEIVE A (RX A)
TRANSMIT B (TX B)
RECEIVE B (RX B)
RS 485 Multi-Drop Wiring
1. Set the Communication Input Jumper (JP 1) to
RS485
.
2. Terminate the indicator’s communication wires at the RS 485 terminal (J4) using
one of the following methods:
Parallel Multi-drop wiring
SCALE
CONTROLLER
TO
AURORA 1
TO
AURORA 2
TO
AURORA 3
ETC.
TX A
RX A
RX A
RX A
RX A
TX B
RX B
RX B
RX B
RX B
Split Multi-Drop Wiring
TO AURORA 1
RX
A
SCALE CONTROLLER
RX B
TX A
TX B
TO AURORA 2
RX
A
RX
B
NOTE: Multi-Drop IDs are set using the CONFIG Dip-switches.
For settings, see Switches 8 & 9: Multi-Drop ID, on page 17.
Summary of Contents for AURORA 45
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