Electrical Connection As Interface; Safety Instructions; Connection With M12 Circular Plug-In Connector, 4-Pole, Male - Burkert 8791 Manuel D'utilisation

15.5. electrical connection as interface
15.5.1. safety instructions
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.
15.5.2. connection with M12 circular plug-in connector, 4-pole,
male
It is not necessary to open the housing for the multi-pole connections.
Bus connection without external / with external power supply
pin designation
1 Bus +
2 NC or GND (optional)
3 Bus –
4 NC or 24 V + (optional)
Table 31: Pin assignment of circular plug-in connector for AS interface
Views of plug: From the front onto the pins, the soldered connections are behind
Pin 4:
NC
Pin 1:
Bus +
Fig. 27: Bus connection without external power supply
58
configuration
AS Interface bus line +
not used or external power supply - (optional)
AS Interface bus line -
not used or external power supply + (optional)
Pin 3:
Bus –
Pin 2:
NC
english
Type 8791
AS Interface
Pin 4:
24 V +
Pin 1:
Bus +
Fig. 28: Bus connection with external power supply
(optional)
Pin 3:
Bus –
Pin 2:
GND