DNF Controls SW2X1 - Manual (Page 7)

SW2X1 User Manual 7 of 15
6. MODE SELECTION SW2X1-GPI
The SW2X1-GPI supports two modes of operation.
a.
MODE 1
Remote and local control is possible.
Active A input or A switch = Select A input.
Active B input or B switch = Select B input.
This is the default mode. The jumper is installed
over pins 3 and 4 on header J11 on the PCB.
The mode of operation is determined ONLY at
POWER UP. Changing the jumper after power up
will have no effect. Power MUST be turned off then
on to change the SW2X1’s MODE.
Jumper Diagram for Mode 1.
b.
MODE 2
Remote control ONLY is possible. Local control is
disabled.
The LOCKOUT LED is turned on.
Remote B input inactive = Select A input.
Remote B input active = Select B input.
The jumper is installed over pins 1 and 2 on
header J11 on the PCB.
The mode of operation is determined ONLY at
POWER UP. Changing the jumper after power up
will have no effect. Power MUST be turned off
then on to change the SW2X1’s MODE.
Jumper Diagram for Mode 2.