Burkert Type 8691 - Manual (Page 20)

20
Electrical installation
9.5 electrical installation aS-interface
9.5.1 connection with circular plug-in
connector m12 x 1, 4-pole, male
Connector views
The views show the image from the front looking at the pins, the
solder connections are behind them.
Pin 4:
NC
Pin 1:
Bus +
Pin 3:
Bus –
Pin 2:
NC
Fig. 15: Bus connection without external supply voltage
Pin 4:
24 V +
Pin 1:
Bus +
Pin 3:
Bus –
Pin 2:
GND
Fig. 16: Bus connection with external supply voltage (optional)
Bus connection without external / with external supply voltage
pin designation configuration
1 Bus + AS-Interface bus line +
2
NC or GND
(optional) not used or external supply voltage –
(optional)
3 Bus – AS-Interface bus line –
4
NC or 24 V +
(optional) not used or external supply voltage +
(optional)
Tab. 5: Pin assignment of circular plug-in connector for AS-Interface
→
Connect the control head according to the table.
The teach function can now be used to automatically determine
and read in the end positions of the valve (description of the teach
function see chapter “10 Teach function”).
For the bus variant AS-Interface, the teach function can also
be started via the bus protocol.
english
Type 8691