XR Series Installation and Technical Instructions
19
8.
Ensure that the internal power cable is connected to the power supply
board. See Figure
.
Figure 3.1 Power wiring
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. See photo and
illustrations in Figure
. Photo shows the input select jumpers circled in a
thick white line.
Figure 3.2 Jumper positions