The sender consists of sender optics, several sender elements (LEDs), and actuation
elec
tronics. The receiver consists of receiver optics, several receiver elements (photodi‐
odes) and evaluation electronics.
3.4.1 MLG-2 Prime device components
Figure 3: MLG-2 Prime
r
Receiver
s
Sender
1
Receiver connection
2
Sender connection
The receiver has a connection for the power supply as well as for inputs and outputs.
T
he sender ha
s a connection for the power supply as well as for a test input.
3.4.2 Measurement principle
Provided no object is located between the sender and receiver elements, the light
be
ams fr
om the sender elements will hit the receiver elements.
If an object is located between the sender and receiver elements, the light beams will
be blocked, depending on the size of the object.
3 PRODUCT DESCRIPTION
14
O P E R A T I N G I N S T R U C T I O N S | MLG-2 Prime 8018715.16YM / 2020-02-13 | SICK
Subject to change without notice