Before Using this Device
SF4C Safety light curtain
34
2.6 Wiring
!
DANGER!
Switch off the power before wiring the device.
All electrical wiring should conform to the regional electrical
regulations and laws. The wiring should be done by engineer(s)
having the required electrical knowledge.
Do not run the sensor cable together with high-voltage lines or
power lines or put them together in the same raceway.
Connect the machine or the support where the sensor is mounted
to the frame ground (F.G.). Failure to do so may cause the product
to malfunction due to noise, resulting in serious injury or death.
The wiring should be done in a metal box connected to the frame
ground (F.G.).
Take countermeasures regarding the system to ensure that
dangerous performance caused by the earth failure cannot occur.
Failure to do so could cause jeopardize the system stop, resulting
in serious bodily injury or death.
Ground the 0V side (PNP output)/24V side (NPN output) to ensure
that the output is not turned ON by accident due to an earth fault
of the control output (OSSD 1, OSSD 2).
When this product is used in a situation where it has to conform
to the Korean S-mark, make sure to ground the 0V side (PNP
output).
Make sure to insulate the ends of the unused lead wires.
Use a safety relay unit or an equivalent safety control circuit as a
final switching device (FSD).
2.6.1 Power Supply Unit
The wiring of the power supply unit should be performed by a specialist who has the required
electrical knowledge.
Rugghölzli 2
CH - 5453 Busslingen
Tel. +41 (0)56 222 38 18
Fax +41 (0)56 222 10 12
mailbox@sentronic.com
www.sentronic.com
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