11
POWER WIRING (Continued)
COMMUNICATIONS WIRING
All communications wiring terminates at the Controller board. Communications should
be wired before applying power to the unit if possible.
Communication Input Jumper
A communications input type (RS 232, RS 422/485, or 20 mA Loop) must be selected by
placing the jumper on the appropriate pins.
RS 232
RS 422/485
20mA Current Loop
RS 232 Wiring
1. Set the Communication Input Jumper (JP 1) to
RS232
.
2. Terminate the indicator’s communication wires at the RS 232 terminal (J3). See
table below:
INDICATOR
TO AURORA REMOTE DISPLAY
TRANSMIT (TX)
RECEIVE (RX)
RECEIVE (RX)
NO CONNECTION
SIGNAL GROUND (GND)
SIGNAL GROUND (SIG GND)
Fig. 9: Power Wiring
Fig. 10: Jumper Positions
Summary of Contents for AURORA 45
Page 1: ......
