SICK LFP Inox - Normally Closed with Window Function

OPERATING INSTRUCTIONS | LFP INOX 8019921/15H0 / 2019-09-30 | SICK AG
Irrtümer und Änderungen vorbehalten
30
8 OPERATION
8.2.5 Normally closed with window function
Application
The critical ll level for the application is outside the FHx and FLx window thresholds.
Conguration
1. Congure the Qx switching output as normally closed.
• Set the parameter in the QxMENU-OUx menu to Qx_Fnc
2. Set the switching point.
• Set the value in the QxMENU-FHx menu to level in mm (e.g., 500 mm).
3. Set the reset point.
• Set the value in the QxMENU-FLx menu to level in mm (e.g., 400 mm).
4. Select the electrical property [NPN/PNP/DRV (push/pull)]
Select the parameter in the QxMENU-TYPx menu.
Where the following applies:
• Qx-PNP = Switching output in PNP circuit
• Qx-NPN = Switching output in NPN circuit
• Qx-Drv = Switching output in push/pull function
Switching output behavior
Level
t
FH
FL
active
inactive
Error signal
Switching output PNP NPN DRV Error status
Normally closed /
FNC
active U
v
0 V U
v
(PNP switched)
inactive
inactive 0 V
1)
U
v
2)
0 V (NPN switched)
1)
Pulldown only.
2)
Pullup only.