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Chapter 6 - Hardware Reference
6-6
Using IDC Position Sensors as EOT Limit Switches with the Impulse
Four IDC position sensors may be used as EOT limit switches with the Impulse. Connection
information for all four sensors is provided below.
+5V
COM
COM
N.C. Reed Switch
RPS-2
Only
INPUT
external
Impulse internal
external
Impulse internal
external
Impulse internal
•The PSR-2 position sensor is a nor-
mally closed Reed Switch and must be
connected to two (2) separate inputs, as
shown here. This leaves two (2) inputs
for move selects, which allows for the
selection of three (3) stored moves.
•The PSR-2 position sensor contains a
series diode and cannot be used in
series, as is the RPS-2 sensor shown
below
.
• Note: If you need to configure more
than 3 stored moves, the position sen-
sors below only require one input for
connection.
+5V
COM
COM
RPS-1
or
PSR-1
N.O. Reed Switch
INPUT
•The RPS-2 position sensor is a nor-
mally closed Reed Switch and must be
connected in series as shown here.
•The RPS-1 or PSR-1 position sensors
are normally open Reed Switches and
must be connected in parallel as shown
here.
+5V
COM
COM
PSR-2
Only
N.C. Reed Switch
INPUT
+5V
INPUT
INPUT
INPUT
PSR-2
RPS-2
RPS-1
PSR-1