User guide

28
Electrical connection
10. ELECTRICAL CONNECTION
10.1. Connection of devices for the
hazardous area
When connecting devices in the hazardous area, observe the “Addi-
tional information for use in the hazardous area“ enclosed with the
Ex-devices.
10.2. Safety instructions
DANGER!
Risk of injury due to electrical shock!
• Before reaching into the device or the equipment, 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 authorized 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.
10.3. Electrical connection with circular
plug-in connector M12, 8-pole
10.3.1. Designation of the circular plug-in
connector
Functional earth FE
8
6
7
M12, 8-pole plug
Operating voltage
and diverse signals
12
3
4
5
Fig. 20: Designation of the circular plug-in connector and contacts
english
Type 8791