SICK LFP Inox - Normally Open with Configurable Hysteresis

OPERATING INSTRUCTIONS | LFP INOX 8019921/15H0 / 2019-09-30| SICK AG
Irrtümer und Änderungen vorbehalten
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8OPERATION
8.2.2 Normally open with congurable hysteresis
Applications
• Dry run protection
• Empty signal
Conguration
1. Congure the Qx switching output as normally open.
• Set the parameter in the QxMENU-OUx menu to Qx_Hno.
2. Set the switching point.
• Set the value in the QxMENU-SPx menu to level in mm (e.g., 500 mm).
3. Set the reset point.
• Set the value in the QxMENU-RPx menu to level in mm (e.g., 450 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
SP
RP
active
Error signal
inactive
Level
t
Switching output PNP NPN DRV Error status
Normally open /
HNO
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.