bürkert 8623-2 Betriebsanleitung Seite 56

M12 (4-pole): Supply voltage and standard signal input for set-point
3 (blue) 2 (white)
1 (brown)*
4
(black)
M8 (Frequency input, the allocation of both connectors is
identical):
4 (black)
3 (blue)*
1
(brown)
Connection example: Flow sensor with coil (type 8020)
Type 8020 flow sensor with
coil
Fig. 6: Connection of the flow sensor type 8020 with coil
Connection with 8020 (coil):
8020 (Pin 2)
8020 (Pin 3)
NOTE
Operating Instructions No. 803 052
Allocation:
1 24 V DC supply voltage
2 Standard signal input external set-point
3 GND external set-point
4 GND external supply voltage
* Wire colours when using the standard cable
with M12 plug (4-wire)
Allocation:
1 24 V DC Output
3 GND
4 Frequency input
* Wire colours when using the standard cable
with M8 plug (3-wire)
4
3
8623-2 (M8, Pin 4 frequency input)
8623-2 (M8, Pin 3 GND)
No supply voltage is necessary for the connection of the flow
sensor type 8020 with coil to the Type 8623-2 regulator!
Type 8623-2 flow regulator
M8 (3-pole)
4 Frequency input (black)
1
3 GND (blue)
(brown)
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