Chapter 2 Installation and Wiring                                                                                               
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16
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Brand OMRON
Definition of 
Cables
Brown (BN): 
positive
Blue (BU): negative
Black (BK): output 
signal
Brown (BN): 
positive
Blue (BU): 
negative
Black (BK): output 
signal
Brown (BN): 
positive
Blue (BU): negative
Black (BK): output 
signal
Brown (BN): positive
Blue (BU): negative
Black (BK): output 
signal
Appearance
Dimension
2.2.2 Installing the Speed Sensor and Running Direction Sensor for 
Escalator/Moving Walkway
1 Installation
1) Installation position
Align the center of the sensing face of one sensor with the center of one tooth on the 
driving chain sprocket and align the sensing edge of the other sensor with the center of the 
neighboring tooth on the driving chain sprocket, as shown in the following figure.
2) Installation distance
3mm ≤ LA=LB ≤ 8mm
 
Speed measured 
By the driving chain
sprocket
R
Sensor A
Sensor B
LB
LA
Sensor A 
signal
Sensor B 
signal
Figure 2-3 Installation of the escalator/moving walkway speed sensor and running direction 
sensor