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2. In-out specs and exterior layout
2-1. Input specs
DC power
R3
R4
R2
R1
X*7
X*0
COM
supply
Because there is no 24V power supply inside XP/XMP, it needs an outside supplier to drive the
photo-electricity switch sensor. The supplier should be DC 24V±4V. The output transistor of
sensor should be NPN open collector.
DC power
DC24V
power supply
R3
R4
R2
R1
X*7
X*0
COM
+5V
R5R6
LED
I=7mA
sensor
supply
Input signal’s
voltage
DC24V±10%
Input signal’s
current
7mA/DC24V
Input ON current Above 4.5mA
Input OFF current
Below 1.5mA
Input response time
About 10ms
Input signal’s
format
Contact input or
NPN open collector
transistor
Circuit insulation Photo-electricity
coupling insulation
Input action’s
display
LED light when
input ON
Basic unit
Input connection
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