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4 Operating and display elements
5 Electrical connection
The unit must be connected by a qualified electrician�
► The national and international regulations for the installation of electrical
equipment must be adhered to�
► Ensure voltage supply to EN 50178�
► Disconnect power�
► Connect the unit as follows:
DC PNP/NPN
2
1
5
3
4
On power up, the unit detects automatically if the switching output is connected to
L- (= PNP) or to L+ (= NPN)� The polarity of the activation trigger is set according
to the polarity of the switching output�
The switching output and the activation trigger must be connected with the same
polarity: PNP or NPN!
1: 5 green LEDs for the tolerance steps
2: yellow LED for the switching status
3: [OUT on] button
4: [OUT off] button
1
L +
pin 1 = L+
2
pin 2 = activation trigger (AT)
AT
pin 3 = L-
pin 4 = switching output PNP/NPN autodetect
4
Out
3
L
= lowest tolerance step
= highest tolerance step
UK
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