15.6
electrical connection as-interface
15.6.1 safety instructions
DangEr!
risk of electric shock.
▶ Before working on equipment or device, switch off the power supply 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.
15.6.2 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 supply voltage
pin
Designation
1
Bus +
2
NC or GND (optional)
3
Bus –
4
NC or 24 V + (optional)
Table 36:
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 +
Table 37:
Bus connection without external supply
voltage
68
configuration
AS-Interface bus line +
not used or external supply voltage - (optional)
AS-Interface bus line -
not used or external supply voltage + (optional)
Pin 3:
Bus –
Pin 2:
NC
english
Type 8791
AS-Interface
Pin 4:
24 V +
Pin 1:
Bus +
Table 38:
Bus connection with external supply voltage
(optional)
Pin 3:
Bus –
Pin 2:
GND