Baumer CleverLevel LBFS Series Manual de Instruções - Página 9
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7.
Electrical connection
9 A voltage supply of 12 V to 30 V DC is provided.
Switch off supply voltage.
f
Connect sensor in accordance with the pin
f
assignment.
Output
Equivalent circuit
type
PNP
NPN
8.
Electrical connection in explosion hazard areas
Depending on the variant, the LBFS is approved for most explosion hazard areas.
DANGER
Risk of fatal accident due to a wrongly connected sensor
In explosive gas atmospheres of zone 0 or 1, use Baumer isolation barriers or Zener barriers.
f
In explosive dust atmospheres, use insulated cable to IP67.
f
Allow only persons trained in explosion protection to perform the installation.
f
8.1 Explosive gas atmospheres zone 0 and 1
The LBFS can be used in explosion hazard areas of zone 0 or zone 1. Sensors with PNP can use Baumer
isolation barriers which are easy to install. Sensors with NPN must use Zener barriers.
Approval for LBFS-1xxxx.x: ATEX II 1G Ex ia IIC T4/T5
Approval for LBFS-4xxxx.x: ATEX II 1G Ex ia IIC T4/T5 and ATEX II 1D Ex ta IIIC T100 °C Da
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+Vs
SW1 (NO)
SW1 (NC)
GND (0 V)
+Vs
SW1 (NO)
SW1 (NC)
GND (0 V)
Operating Instructions
Level measurement
CleverLevel
Point level detection
Terminal assignment
4
1
Housing dimensions avail-
able only for a plug con-
nector in stainless steel
Function
M12-A
4-pin
+ Vs
1
SW1 (NO)
4
SW1 (NC)
2
GND (0 V)
3
+ Vs
1
SW1 (NO)
4
SW1 (NC)
2
GND (0 V)
3
®
LBFS
3
2
Cable outlet
brown
black
white
blue
brown
black
white
blue
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