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5 Initial operation
5.2.
Electrical connection
The instrument may only be installed by a qualified electrician. Fol-
low the national and international regulations regarding the installa-
tion of electro-technical systems. The voltage supply is to be laid
out in accordance with EN50178, SELV, PELV. To meet the "lim-
ited voltage" requirements according to UL 508, the instrument
must be supplied from a galvanically isolated source and protected
against short-circuits by means of an overcurrent device.
Four-wire pin assignment (not an accessory)
If the optional connecting cable for electrical isolation is not used,
then the following assignments apply.
Pin assignment on the connector (M12x1)
Pin no.
1
2
3
4
1 x pulse output, 1 x analogue output (condition on delivery)
The
OUT1
OUT2
tion in which the sensors are delivered.
Pin assignment on the instrument
Pin assignment on the cable connector
Pin no.
1
2
3
4
26
Wire colour
Brown
White
Blue
Black
output is used as a PNP signal output (pulse) and the
output is used as an analogue output. This is the configura-
Wire colour
BN (brown)
WH (white)
BU (blue)
BK (black)
Assignment
+L (19 to 30 V DC)
OUT2
0 V DC (GND)
OUT1
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