17 
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