SICK WT24-2 Manual De Instrucciones página 11

7 Commissioning
8008784.1DMA/2022-07-12 | SICK
Subject to change without notice
Test input
Test input: the WT24-2B / -V sensors feature a test input ("TI" or "Test" on the connec‐
tion diagram [see „WT24-2Bxxx, WT24-2Vxxx", page 8
be used to switch the sender off and, therefore, check that the sensor is functioning
correctly: if female cable connectors with LED indicators are used, you have to ensure
that the TI is assigned accordingly.
If an object is detected, activate the test input (see the connection diagram
„WT24-2Bxxx, WT24-2Vxxx", page 8
shut down or no object being detected is simulated. Use the following table to check the
function. If the switching output fails to behave in accordance with the following table,
check the application conditions. See section Fault diagnosis.
Table 7: Test
1 Alignment
WT24-2Xx1x, -2Xx2x: align sensor on object. Select the position so that the infrared light
(not visible) hits the center of the object. The correct alignment can only be detected via
the LED indicators. See figure 3
(front screen) of the sensor is completely clear.
Figure 3: Alignment
OPERATING INSTRUCTIONS
and see table
and see table 7], PNP: TE → M). The send LED is
and figure 4. You must ensure that the optical opening
Figure 4: Alignment 2
O P E R A T I N G I N S T R U C T I O N S | WT24-2
7]), which can
[see
Test
+ (L+)
Test
– (M)
+ (L+)
Test
– (M)
11
en