00197042-04_SM_X-Serie-S_Customer_EN.pdf - 第284页
7 Conveyor 7.8 Laser light barriers, fiber optic cable and PCB sensors 284 Service Manual SIPLACE X-Serie S 06/2019 Fig.359: Setting the fiber optic sensor - 1
7 Conveyor
7.8 Laser light barriers, fiber optic cable and PCB sensors
Service Manual SIPLACE X-Serie S 06/2019 283
7.8.8 Setting the fiber optic sensor
The brightness of the sensors changes according to the positions of the conveyor rails. For this
reason, the sensors are automatically recalibrated after each automatic adjustment of the conveyor
rails.
If the conveyor rails are manually adjusted, there will be no automatic calibration. In this case, cali-
bration needs to be manually triggered in the Service menu. Without this calibration, the station
software will show boards which are not physically present.
You can check the correct calibration on the sensor modules.
●
Red display: current signal strength of receiver
●
Green display: reference value of receiver
A board is recognized if the value in the red display is smaller than the value in the green display.
Without a board, the value of the green display must be 10 to 20% smaller than the value of the
red display.
During calibration, the reference value (green display) is automatically set to a lower value than the
current signal strength (red display). It is assumed that there is no board in the sensor range at this
moment.
The absolute sensor value is not significant. This can vary between sensor modules.
NOTICE
No board in conveyor
When calibrating the light barriers make sure that there is no board in the conveyor.
7 Conveyor
7.8 Laser light barriers, fiber optic cable and PCB sensors
284 Service Manual SIPLACE X-Serie S 06/2019
Fig.359: Setting the fiber optic sensor - 1
7 Conveyor
7.8 Laser light barriers, fiber optic cable and PCB sensors
Service Manual SIPLACE X-Serie S 06/2019 285
Fig.360: Setting the fiber optic sensor - 2