Bürkert 8791, Operating Instructions Manual

Page: 58 / 186

58
AS Interface
electrical connection as interface 15.5.
safety instructions 15.5.1.
DangEr!
risk of electric shock!
Before reaching into the system, switch off the voltage and secure to prevent reactivation! •
Observe applicable accident prevention and safety regulations for electrical equipment! •
Warning!
risk of injury from improper installation!
Installation may be carried out by authorised technicians only and with the appropriate tools! •
risk of injury from unintentional activation of the system and an uncontrolled restart!
Secure system from unintentional activation. •
Following installation, ensure a controlled restart. •
connection with M12 circular plug-in connector, 4-pole, 15.5.2.
male
It is not necessary to open the housing for the multi-pole connections.
Bus connection without external / with external power supply
pin designation configuration
1 Bus + AS Interface bus line +
2 NC or GND (optional) not used or external power supply - (optional)
3 Bus – AS Interface bus line -
4 NC or 24 V + (optional) not used or external power (optional)
Pin assignment of circular plug-in connector for AS interface Table 31:
Views of plug: From the front onto the pins, the soldered connections are behind
Pin 4:
NC
Pin 1:
Bus +
Pin 3:
Bus –
Pin 2:
NC
Pin 4:
24 V +
Pin 1:
Bus +
Pin 3:
Bus –
Pin 2:
GND
Fig. 27: Bus connection without external power supply Fig. 28: Bus connection with external power supply
(optional)
english
Type 8791